Yankton County is located in southeastern South Dakota along the Missouri River, bordering Nebraska and forming part of the state’s lower river corridor. Established in 1862 during the Dakota Territory period, it developed as a regional center tied to river transportation and early territorial administration. The county is small in geographic area but mid-sized in population by South Dakota standards, with roughly 23,000 residents. Its county seat is Yankton, the principal community and a hub for employment, education, and services.

The county’s landscape includes river bluffs, bottomlands, and rolling prairie, with recreation and wildlife areas associated with the Missouri River and nearby Lewis and Clark Lake. Outside Yankton, the county is predominantly rural, with land use shaped by agriculture and related industries. Cultural life reflects a mix of small-city institutions in Yankton and surrounding farming communities typical of southeastern South Dakota.

Yankton County Local Demographic Profile

Yankton County is located in southeastern South Dakota along the Missouri River, bordering Nebraska. The county seat and largest city is Yankton, a regional service center for surrounding rural communities.

Population Size

According to the U.S. Census Bureau QuickFacts for Yankton County, South Dakota, the county’s population was 23,826 (2020), with a 2023 population estimate of 24,503.

Age & Gender

According to U.S. Census Bureau QuickFacts (Yankton County) (most recent profile release):

  • Under 18 years: 22.2%
  • 18 to 64 years: 57.8%
  • 65 years and over: 20.0%
  • Female persons: 50.0%
  • Male persons: 50.0%

Racial & Ethnic Composition

According to U.S. Census Bureau QuickFacts (Yankton County):

  • White alone: 92.2%
  • Black or African American alone: 1.6%
  • American Indian and Alaska Native alone: 1.7%
  • Asian alone: 0.9%
  • Native Hawaiian and Other Pacific Islander alone: 0.1%
  • Two or more races: 3.5%
  • Hispanic or Latino (of any race): 2.9%

Household & Housing Data

According to U.S. Census Bureau QuickFacts (Yankton County):

  • Households (2019–2023): 9,636
  • Persons per household (2019–2023): 2.33
  • Owner-occupied housing unit rate (2019–2023): 73.9%
  • Median value of owner-occupied housing units (2019–2023, dollars): $223,000
  • Median selected monthly owner costs—without a mortgage (2019–2023): $561
  • Median selected monthly owner costs—with a mortgage (2019–2023): $1,387
  • Median gross rent (2019–2023): $865
  • Housing units (2023): 10,772

For local government and planning resources, visit the Yankton County official website.

Email Usage

Yankton County in southeastern South Dakota includes small cities and surrounding rural areas; lower population density outside Yankton can increase last‑mile buildout costs and contribute to uneven internet performance, shaping how reliably residents can access email.

Direct county‑level email usage statistics are not typically published. Email access trends are therefore summarized using proxy indicators from the U.S. Census Bureau data portal, especially American Community Survey measures of home broadband subscriptions and household computer ownership, which closely track routine email access.

Digital access indicators (proxy for email use)

ACS tables on broadband subscription and computer access for Yankton County indicate the baseline capacity for at‑home email use; lower rates generally correspond to more reliance on smartphones or public access points.

Age distribution

ACS age profiles for Yankton County show the share of older adults alongside working‑age residents. Older age cohorts tend to have lower digital adoption rates on average, which can reduce overall email uptake relative to younger areas, even when broadband is available.

Gender distribution

ACS sex distribution is near parity in most counties; gender is generally a weaker predictor of email adoption than age, education, and broadband availability.

Connectivity and infrastructure limitations

Rural service footprints and variable fixed‑broadband availability are key constraints, as reflected in coverage and technology data from the FCC National Broadband Map.

Mobile Phone Usage

Yankton County is located in southeastern South Dakota along the Missouri River, with the city of Yankton serving as the principal population center. The county includes a small urban core surrounded by predominantly rural areas, with rolling plains and a major river corridor. This settlement pattern and terrain generally support strong coverage in and near town centers and along primary highways, with more variable performance in lower-density areas farther from towers. Population density is higher in and around Yankton than in the county’s outlying townships, which is relevant to both mobile network economics (tower placement/capacity) and household adoption patterns.

Key distinction: network availability vs. household adoption

  • Network availability refers to whether mobile service (voice/LTE/5G) is marketed as available in an area based on carrier coverage maps and regulatory reporting.
  • Household adoption refers to whether residents subscribe to mobile service and use it for voice and internet access, which depends on income, age, device ownership, affordability, and digital skills.

County-level reporting often provides stronger evidence for availability than for adoption; adoption indicators are frequently published at state or multi-county sample levels rather than for a single county.

Mobile penetration and access indicators (adoption)

Household phone access (fixed vs. mobile)

  • The most consistent public “phone access” measures come from U.S. Census Bureau surveys, which report whether households have telephone service and the types of internet subscriptions they use. County granularity can be limited or subject to sampling variability depending on the table and year.
  • For Yankton County, the most defensible approach is to use U.S. Census Bureau American Community Survey (ACS) tables that include telephone service availability and internet subscription type (including cellular data plan). These indicators describe adoption, not coverage.

Cellular data plan as an internet subscription

  • The ACS “Types of Internet Subscriptions” concept (when available at county level) distinguishes households with a cellular data plan from those with cable/fiber/DSL/satellite. This is a direct indicator of household adoption of mobile broadband for internet access, but it does not indicate whether the plan is the primary connection or a supplement.

Limitation: Publicly comparable, county-specific “mobile penetration” rates (e.g., SIM subscriptions per 100 residents) are generally not published for U.S. counties in the same way they are for countries. County-level adoption is typically proxied using ACS household indicators (cellular data plan, device access) rather than carrier subscriber counts.

Mobile internet usage patterns (4G/5G availability vs. usage)

Network availability (coverage)

  • The most widely used national source for mobile broadband availability is the FCC’s Broadband Data Collection (BDC), which publishes provider-reported availability for mobile services (including 4G LTE and 5G) and supports map-based review.

Interpretation notes for Yankton County (availability):

  • Higher availability and capacity are typically expected in and around the City of Yankton and along major transportation corridors due to higher demand and tower density.
  • Lower-density rural areas commonly have fewer sites per square mile, which can affect indoor coverage, speeds during peak periods, and the likelihood that 5G is available on more bands.

Limitation: FCC availability reflects where service is reported as available (often outdoors, with provider-defined assumptions). It does not directly measure reliability, indoor performance, congestion, or experienced speed at a specific address.

Actual mobile internet usage (behavior)

  • Public county-level measures of how residents use mobile internet (e.g., share of people primarily using mobile data, streaming frequency, app usage) are not typically published by government sources. The strongest public proxies are:
    • ACS household internet subscription types (including cellular data plan) for adoption.
    • FCC/Broadband map coverage layers for availability.
  • For broader statewide context on mobile broadband and unserved/underserved areas (often focused on fixed broadband but relevant for digital access planning), South Dakota’s broadband resources can be used as contextual references.

Common device types (smartphones vs. other devices)

  • County-specific device ownership (smartphone vs. basic phone) is not consistently published in a directly comparable way for a single county. Government datasets more commonly track:
  • In practice, mobile broadband use is strongly associated with smartphone ownership, but a county-specific smartphone share generally requires proprietary survey data or modeled estimates rather than public administrative records.

Limitation: Public sources suitable for an informational reference page can describe household device categories (computer/tablet) and cellular plan adoption, but not a definitive smartphone-vs-feature-phone split for Yankton County.

Demographic and geographic factors influencing mobile usage

Geography, settlement pattern, and infrastructure economics (availability)

  • Urban–rural contrast within the county: The City of Yankton and nearby developed areas generally support more cell sites and backhaul capacity than sparsely populated townships, affecting both availability and performance.
  • Missouri River corridor: River bluffs and varying elevation can influence radio propagation locally, particularly for higher-frequency bands used by some 5G deployments; outcomes are location-specific and are best evaluated via the FCC map and on-the-ground testing rather than generalized claims.
  • Transportation corridors and anchor institutions: Coverage is often strongest near highways, schools, hospitals, and commercial areas where carriers prioritize capacity and continuity.

Age, income, and household composition (adoption)

  • Adoption of mobile service and mobile internet is correlated in public research with:
    • Older age distributions being associated with lower rates of newer device adoption and lower use of mobile apps/services.
    • Lower incomes being associated with greater reliance on smartphones and cellular data plans as a primary internet connection in some households, but also with affordability constraints that can reduce subscription rates or limit data.
  • The most authoritative local demographic profiles are available through the Census Bureau’s county pages and ACS profiles.

Land use and building characteristics (availability + experienced performance)

  • Indoor coverage can be weaker than outdoor coverage depending on building materials and distance from towers; this affects experienced connectivity but is not directly captured by availability reporting.
  • Seasonal population and recreation areas near the river can create localized demand spikes that affect congestion in specific places/times; public data for county-level congestion is limited.

Practical, citable sources for Yankton County-specific connectivity (availability vs. adoption)

Data limitations and what can be stated definitively

  • Definitively available at county level: Geographic context; FCC-reported mobile availability by location; ACS-based household indicators for internet subscription types and related demographic profiles (subject to sampling and table availability).
  • Not definitively available from standard public sources at county level: A single “mobile penetration rate,” smartphone-vs-feature-phone shares, and detailed behavioral usage patterns (e.g., time spent, app categories) specific to Yankton County. Public reporting generally supports availability mapping and household subscription proxies, rather than direct mobile subscriber counts or device-type distributions for one county.

Social Media Trends

Yankton County sits in southeastern South Dakota along the Missouri River, anchored by the city of Yankton and influenced by regional healthcare, education, manufacturing, agriculture, and outdoor recreation. Its mix of a micropolitan hub plus surrounding rural communities generally aligns local social media behavior more closely with U.S. rural patterns than with large-metro usage, particularly for platform choice and intensity of daily use.

User statistics (penetration / active use)

  • County-specific social media penetration rates are not published in major public surveys. The most reliable approach is benchmarking to rural U.S. adult usage and statewide connectivity indicators.
  • Baseline (U.S. adults): About 69% of U.S. adults report using at least one social media site, per Pew Research Center’s social media fact sheet.
  • Rural benchmark: Pew reports social media use is lower in rural communities than urban/suburban areas (with platform gaps most visible for newer/video-centric networks), summarized in the same Pew platform-by-platform trends.
  • Local takeaway: A reasonable reference range for “active on social platforms” in Yankton County is near the national adult baseline but modestly lower than large metros, reflecting rural composition and age structure.

Age group trends

  • Highest usage: Adults 18–29 consistently show the highest adoption across major platforms.
  • Middle/high usage: Adults 30–49 remain heavy users, with especially strong use of Facebook, YouTube, and Instagram.
  • Lower usage: Adults 50–64 use social media at moderate levels; 65+ show the lowest usage, though Facebook and YouTube remain comparatively common.
  • Source basis: Pew Research Center platform-by-age tables.

Gender breakdown

  • Across platforms, women are more likely than men to use several social platforms, with the clearest gaps historically on Facebook, Instagram, and Pinterest; men are often more represented on YouTube, X (Twitter), and Reddit (patterns vary by year and platform).
  • Source basis: Pew Research Center demographic breakdowns by platform.

Most-used platforms (percentages)

County-level platform shares are not directly measured in reputable public surveys; the standard reference is U.S.-adult platform reach from Pew:

  • YouTube: 83% of U.S. adults
  • Facebook: 68%
  • Instagram: 47%
  • Pinterest: 35%
  • TikTok: 33%
  • LinkedIn: 30%
  • WhatsApp: 29%
  • Snapchat: 27%
  • X (Twitter): 22%
  • Reddit: 22%
    All figures from Pew Research Center’s social media fact sheet (latest available platform percentages in that series).

Yankton County implication (platform mix):

  • Facebook and YouTube typically dominate in rural/mixed-age counties due to broad age coverage and utility for local news, events, groups, and how-to/entertainment video.
  • TikTok, Snapchat, and Instagram tend to skew younger; their countywide reach depends heavily on the local share of residents under 35 and college/early-career populations.

Behavioral trends (engagement patterns / preferences)

  • Facebook engagement tends to be community-anchored: Local groups, event pages, school and community organization updates, and peer sharing are common engagement drivers in smaller cities and rural areas; this aligns with Facebook’s broad penetration across age groups in Pew’s data.
  • YouTube is typically high-frequency, utility-driven use: In rural areas, YouTube functions as both entertainment and practical information (repairs, agriculture/gardening, fitness, local/regional interest content), consistent with its position as the top-reach platform in Pew’s platform totals.
  • Short-form video skews young and is more time-intensive: TikTok and Snapchat usage is concentrated among younger adults; where adopted, session frequency tends to be high relative to text-first platforms (supported by Pew’s age gradients in the platform demographic tables).
  • Platform choice often reflects local information needs: In micropolitan counties, “news and updates” frequently flow through Facebook feeds/groups and YouTube channels rather than X/Reddit, which have lower overall reach in Pew’s U.S. adult estimates.

Note on data quality: The percentages above are U.S.-level estimates from a single, consistent source (Pew). Public, methodologically comparable county-level platform penetration and engagement metrics are generally not available for Yankton County, so local characterization relies on rural/age-pattern extrapolation anchored to Pew’s national benchmarks.

Family & Associates Records

Yankton County family and associate-related public records include vital records (birth and death certificates) maintained at the state level by the South Dakota Department of Health, Vital Records office; these are not generally available as open public records and are issued under eligibility rules and identification requirements. Requests are submitted through the state office rather than the county. See South Dakota Department of Health – Vital Records.

Marriage licenses are recorded locally through the Yankton County Register of Deeds, which maintains marriage records and related indexing used for certified copies and verification. In-person access and certified-copy procedures are handled through the office. See Yankton County Register of Deeds.

Divorce records are handled through the South Dakota court system (circuit courts) rather than the Register of Deeds; access to case information and records is governed by court rules. See South Dakota Unified Judicial System.

Adoption records are generally restricted and are not treated as open public records; access is controlled by statute and court order processes administered through courts and state agencies.

Public databases vary by record type: some offices provide informational indexes, while certified vital records are typically not searchable as open public databases. Privacy restrictions commonly limit access to recent birth/death records, adoption files, and certain court documents; certified copies require proof of identity and eligibility.

Marriage & Divorce Records

Types of records available

Marriage records

  • Marriage license and application: Created at the time a couple applies to marry. In South Dakota, marriage licensing is handled by the county Register of Deeds, so Yankton County maintains these records locally.
  • Marriage certificate/return: The officiant’s completed return confirming the marriage was performed, filed back with the county and recorded with the marriage license record.
  • Marriage record index entries: Many counties maintain internal indexes by name and date to support searches.

Divorce records

  • Divorce decree (final judgment): The court’s final order dissolving a marriage, maintained in the court case file.
  • Divorce case file documents: Commonly includes pleadings (summons/complaint), findings of fact and conclusions of law, settlement agreements, custody/support orders, and related motions and orders. The full content varies by case.

Annulment records

  • Annulment decree/order: A court order declaring a marriage void or voidable. Annulments are maintained as civil court matters in the circuit court case file, similar to divorces.

Where records are filed and how they can be accessed

Yankton County marriage records (county-level filing)

  • Filing office: Yankton County Register of Deeds records marriage licenses and completed returns.
  • Access: Requests are typically made through the Register of Deeds office for:
    • Certified copies (for legal uses)
    • Non-certified/informational copies (availability varies by office policy and record type)
    • Name/date searches using the county’s index (in-office; remote availability varies)

Yankton County divorce and annulment records (court-level filing)

  • Filing office: Clerk of Court, South Dakota Unified Judicial System (UJS), for the circuit court serving Yankton County.
  • Access:
    • Case records and decrees are accessed through the Clerk of Court (in-person and by written request per court procedures).
    • Docket/case register information may be available through South Dakota UJS public access systems, while document images may be restricted depending on confidentiality rules and the document type.

State-level vital records (marriage and divorce verification/certification)

  • South Dakota maintains statewide vital records through the South Dakota Department of Health, Office of Vital Records, which can provide certified vital records and verifications according to state eligibility rules. County marriage records remain recorded at the county, with the state serving as the central vital-records authority for many certified issuances.

Typical information included in these records

Marriage license/record

Common data elements include:

  • Full names of both parties (including maiden name where applicable)
  • Ages and/or dates of birth
  • Residences and places of birth (varies by form and era)
  • Date the license was issued and the date/place of marriage
  • Officiant’s name, title, and signature; witnesses where required/recorded
  • Prior marital status information (such as divorced/widowed) where collected
  • Recording details (book/page or instrument/recording number)

Divorce decree and court case file

Common data elements include:

  • Names of parties and case number
  • Date of filing and date of final decree/judgment
  • Legal grounds/findings (as reflected in the judgment)
  • Orders regarding property division, debt allocation, spousal support, child custody/parenting time, and child support (when applicable)
  • Any name change orders granted in the decree
  • Judge’s signature and court seal/attestation on certified copies

Annulment decree and court case file

Common data elements include:

  • Parties’ names and case number
  • Findings supporting annulment and the court’s order declaring the marriage void/voidable
  • Related orders addressing children, support, property, or name changes where applicable
  • Judge’s signature and certification elements

Privacy or legal restrictions

Marriage records

  • Marriage licenses and recorded marriage returns are generally treated as public records at the county level, but certified copy issuance and some personal data fields may be subject to state law, administrative policy, or redaction practices (for example, limiting disclosure of sensitive identifiers).
  • Access methods and fees are governed by South Dakota public records practices and county recording procedures.

Divorce and annulment records

  • Court records are generally public, but South Dakota court rules and statutes restrict access to:
    • Sealed cases or sealed documents
    • Records involving certain protected parties or circumstances (including some domestic relations materials)
    • Confidential personal identifiers (commonly subject to redaction requirements)
  • Even when a case docket is viewable, specific filings (such as financial statements, sensitive family information, or protected addresses) may be nonpublic or redacted under court confidentiality rules.

Certified vs. informational copies

  • Certified copies (marriage records from the Register of Deeds; decrees/orders from the Clerk of Court; vital record certifications from the Department of Health) are issued under controlled procedures, typically requiring identification and payment of statutory fees.
  • Informational copies and simple index searches may be more broadly available, but are limited by confidentiality rules, record format, and retention practices.

Education, Employment and Housing

Yankton County is in far southeastern South Dakota along the Missouri River, anchored by the city of Yankton and adjacent to Nebraska across the river. It is a micropolitan county with a mix of in-town neighborhoods in and around Yankton and rural townships dominated by agriculture. The county’s population is relatively stable compared with faster-growing metro counties in the region, and its community context is shaped by regional healthcare, manufacturing, education, retail/services, and an active rural hinterland.

Education Indicators

  • Public school districts and schools (names)

    • The county’s K–12 public education is primarily provided by two districts: Yankton School District (serving most of the city of Yankton area) and Bon Homme School District (serving parts of the county’s rural area and nearby communities; the district spans county lines).
    • Commonly listed public schools in the Yankton area include Yankton High School, Yankton Middle School, and multiple Yankton elementary schools (campus names vary by district reporting year and facility updates). District-level school listings are maintained on the districts’ official sites and in the South Dakota Department of Education directory (see the state’s education agency at South Dakota Department of Education).
  • Student–teacher ratios and graduation

    • Student–teacher ratios and graduation rates are reported annually by the state and by districts; countywide aggregates are not always published as a single figure. The most consistent public source for comparable district metrics is the state’s reporting and federal school report cards (referenced through SD DOE and the U.S. Department of Education’s school/district reporting tools).
    • As a practical proxy when a countywide ratio is not published, district-level student–teacher ratios (Yankton and Bon Homme) provide the closest approximation for residents.
  • Adult educational attainment (county)

    • The most recent widely used county estimates are from the U.S. Census Bureau, American Community Survey (ACS) 5‑year tables for educational attainment (population age 25+). These provide:
      • High school diploma or higher (age 25+)
      • Bachelor’s degree or higher (age 25+)
    • Official county-level attainment can be cited from data.census.gov (ACS table S1501). (A single definitive percentage is not stated here because ACS point estimates vary by release year; the ACS table is the authoritative source for the most recent published values.)
  • Notable programs (STEM, CTE, AP, dual credit)

    • District offerings in South Dakota commonly include Career and Technical Education (CTE) pathways (trades/industry, business, health-related courses), college-credit/dual-enrollment options through regional postsecondary partners, and Advanced Placement (AP) or advanced coursework at the high school level where enrollment supports it.
    • Program specifics (AP course lists, CTE pathways, articulated credit) are published by districts and supported by statewide CTE frameworks; the statewide context is summarized through SD DOE program pages.
  • School safety measures and counseling resources

    • South Dakota districts typically maintain visitor management protocols, secure-entry procedures, school resource officer/law-enforcement coordination (varies by school and district), emergency response planning, and required safety drills.
    • Counseling resources generally include school counselors at secondary levels and student support services (counseling, mental health referrals, crisis response protocols). District student handbooks and annual notices are the most definitive local sources; statewide frameworks and guidance are available via SD DOE.

Employment and Economic Conditions

  • Unemployment rate (most recent available)

    • The most recent annual unemployment rate for Yankton County is published by the U.S. Bureau of Labor Statistics (LAUS) series and the South Dakota labor market information program. The definitive source for the latest annual rate is the LAUS county time series (see BLS Local Area Unemployment Statistics).
    • (A single numeric rate is not stated here because “most recent year available” depends on the current year’s final annual average release; BLS is the authoritative release.)
  • Major industries and sectors

    • Yankton County’s employment base typically reflects a micropolitan service center with:
      • Health care and social assistance
      • Manufacturing
      • Retail trade
      • Educational services
      • Accommodation and food services
      • Construction
      • Agriculture and related support in rural areas
    • Sector composition is most consistently measured in ACS industry-of-employment tables and in state labor market summaries (county profiles often reference NAICS sectors).
  • Common occupations and workforce breakdown

    • The occupational mix commonly includes:
      • Management, business, and financial
      • Office and administrative support
      • Sales
      • Healthcare practitioners and support
      • Production and transportation/material moving
      • Education, training, and library
      • Construction and extraction
      • Farming, fishing, and forestry (smaller share, concentrated rurally)
    • Definitive county estimates are available in ACS occupation tables (search Yankton County occupation in data.census.gov).
  • Commuting patterns and mean commute time

    • The county includes both:
      • In-county commuting within Yankton and nearby townships
      • Cross-county or cross-state commuting, particularly given proximity to Nebraska and nearby South Dakota counties
    • The mean travel time to work and mode share (drive alone, carpool, work from home) are published in ACS commuting tables (e.g., S0801) on data.census.gov.
  • Local employment vs. out-of-county work

    • The strongest standard measure is the Census “commuting flows” framework, which is available through products such as OnTheMap (LEHD). This identifies the share of residents working in-county versus commuting out and the share of jobs filled by in-county residents versus inbound commuters (see U.S. Census OnTheMap for county commuting patterns).

Housing and Real Estate

  • Homeownership and renting

    • Homeownership rate and renter share are reported in ACS housing tenure tables for Yankton County (authoritative source: data.census.gov, “Tenure”/DP04 profiles). County tenure typically reflects a higher owner-occupancy share than large metros, with rentals concentrated in the city of Yankton and near major employment centers.
  • Median property values and trends

    • The median value of owner-occupied housing units is published in ACS DP04/S250x tables and is the most consistent countywide benchmark (see ACS housing value tables on data.census.gov).
    • Recent trends in southeastern South Dakota generally reflect post-2020 increases in values and rents consistent with broader Midwest patterns; however, the definitive county trend line depends on the sequence of ACS 5‑year releases and local sales data.
  • Typical rent prices

    • The median gross rent is published by ACS (DP04/S2503). This serves as the standard “typical rent” proxy for countywide reporting (see ACS rent tables on data.census.gov). Rentals are most prevalent in the city of Yankton (apartments and smaller multifamily properties), with limited rental inventory in rural areas.
  • Housing types

    • The county housing stock is typically a mix of:
      • Single-family detached homes (dominant, especially outside central Yankton and in rural areas)
      • Single-family attached and small multifamily in older neighborhoods
      • Apartments/multifamily concentrated in Yankton
      • Rural acreages and farmsteads in townships
    • The breakdown by structure type (1-unit detached, 2–4 units, 5+ units, mobile homes) is reported in ACS housing stock tables (DP04).
  • Neighborhood characteristics (proximity to schools/amenities)

    • Yankton functions as the primary amenity center (schools, medical services, retail). Residential areas closer to Yankton’s school campuses and civic amenities typically include more conventional subdivisions and a higher share of rentals and multifamily than rural townships.
    • Rural neighborhoods are characterized by longer travel distances to schools and services, larger lots, and housing tied to agricultural land use.
  • Property taxes (rate and typical cost)

    • Countywide “average rate” varies by school district, municipality, and taxable value classifications. The most defensible public summary for typical homeowner property tax cost is the ACS measure median real estate taxes paid (owner-occupied units), available in ACS housing cost tables on data.census.gov.
    • South Dakota property taxation is administered locally with state oversight; statutory context and levy components are summarized by the South Dakota Department of Revenue (see South Dakota Department of Revenue).