Williamson County

Key demographics for Williamson County, Texas (latest Census/ACS estimates):

Population

• 2023 population estimate: ~679,000 (2020 Census: 609,017; 2010: 422,679)
• One of the fastest-growing large counties in the U.S. since 2010

Age

• Median age: ~37 years
• Under 18: ~25%
• 18–64: ~61%
• 65 and over: ~14%

Gender

• Female: ~50.5%
• Male: ~49.5%

Race and ethnicity (shares; Hispanic is an ethnicity and can be of any race)

• Hispanic/Latino (any race): ~26%
• Non-Hispanic White: ~55%
• Non-Hispanic Black: ~7–8%
• Non-Hispanic Asian: ~8%
• Non-Hispanic Two or more races: ~2–3%
• Non-Hispanic American Indian/Alaska Native: ~0.5%
• Non-Hispanic Native Hawaiian/Other Pacific Islander: ~0.1%

Households and housing

• Households: ~237,000
• Average household size: ~2.86
• Family households: ~73% of households; married-couple families: ~58%
• Households with children under 18: ~35–36%
• Owner-occupied housing rate: ~70% (renter-occupied ~30%)

Sources: U.S. Census Bureau, 2023 Vintage Population Estimates; 2023 American Community Survey (1-year), tables DP05 (Demographic and Housing Estimates) and S1101 (Households and Families).

Williamson County, TX email usage (max 200 words)

• Estimated email users: ~520,000 residents.
• Age distribution of users: 13–17: 6% (31k); 18–34: 28% (146k); 35–54: 38% (198k); 55–64: 15% (78k); 65+: 13% (~67k).
• Gender split of users: Female 50.5% (263k); Male 49.5% (257k), with near‑parity usage rates.
• Digital access trends: ~94% of households subscribe to broadband; fiber is widely available in Round Rock, Georgetown, Cedar Park, and Leander; 5G covers most populated areas. Adult smartphone ownership is ~90%, supporting strong mobile email engagement. The Austin–Round Rock job mix (tech/professional services) and elevated remote/hybrid work sustain heavy weekday email activity.
• Local density/connectivity facts: Population ~675,000; density ~595 people per sq. mile. Residential and commercial growth concentrates along the I‑35, 183A, and SH‑130 corridors, where multiple ISPs provide overlapping fiber and cable options; many new subdivisions are provisioned for gigabit service.

Insights: Email penetration is effectively universal among working‑age adults, with the largest share in ages 35–54. Seniors are a growing but lower‑intensity cohort, while teens primarily access email via smartphones for school and services. High broadband adoption and fiber/5G coverage keep email usage consistently high across suburban centers.

Mobile phone usage in Williamson County, Texas (2023–2024 snapshot)

Headline estimates

• Population base: approximately 680,000 residents; roughly 505,000 adults (18+).
• Adult smartphone users: about 470,000–485,000 (roughly 92–96% of adults, higher than Texas’ ~90%).
• Total active mobile lines (phones, tablets, wearables, IoT): on the order of 900,000–1,000,000 lines countywide, consistent with high multi-line adoption in the Austin metro.

How Williamson County differs from Texas overall

• Higher device penetration: Adult smartphone ownership is several points above the Texas average, reflecting the county’s higher incomes, education levels, and tech-heavy workforce.
• Lower mobile-only reliance: A smaller share of households rely solely on mobile data for home internet (roughly low-teens percentage in the county versus about one-fifth statewide). Fixed broadband availability and adoption are stronger here than the Texas average.
• Heavier data consumption and 5G uptake: Median 5G performance in the Austin metro (which includes Williamson County) ranks among the best in Texas, and 5G-capable device share is measurably higher than the state average. Users in Round Rock, Cedar Park, Georgetown, Leander, and Hutto routinely experience mid-band 5G performance that outpaces statewide medians.
• Platform mix: iOS share skews higher than the Texas average, consistent with higher-income suburban markets; Android remains strong but relatively less dominant than in many parts of the state.

Demographic breakdown of mobile use (drivers and patterns)

• Age
  • 18–29: near-universal smartphone adoption (~97–99%); heavy 5G usage and app-centric communication.
  • 30–49: very high adoption (~95–97%); high multi-line family plan penetration; strong use of mobile for work and childcare logistics.
  • 50–64: high adoption (~88–92%); growing 5G handset share; strong mobile banking/health utilization.
  • 65+: adoption in the mid-to-high 70s and rising; larger share retains LTE devices but steady migration to 5G.
• Income and education
  • Median household income and bachelor’s attainment exceed Texas averages. Correlates with:
    • Higher smartphone and tablet penetration per household
    • Earlier adoption of 5G-capable devices
    • Lower smartphone-only dependence due to robust fiber and cable broadband take-up
• Race and ethnicity
  • County shares of non-Hispanic White and Asian residents are higher, and Hispanic and Black shares are lower than Texas overall. Because smartphone-only reliance is higher statewide among Hispanic and Black households, the county’s aggregate smartphone-only metric is correspondingly lower than the state’s.

Digital infrastructure and performance

• Coverage
  • All three national carriers (AT&T, T-Mobile, Verizon) provide countywide LTE and broad 5G coverage, with contiguous mid-band 5G along the I-35 corridor (Round Rock–Georgetown) and throughout fast-growing suburbs (Cedar Park, Leander, Hutto).
  • Western rural and conservation areas near the Balcones Canyonlands have more variable performance, with LTE fallback more common and indoor coverage dependent on proximity to arterials and new subdivisions.
• Speeds and capacity
  • Mid-band 5G (T-Mobile n41; AT&T/Verizon C-band) delivers typical urban/suburban median downloads well above 100 Mbps, with peak medians in denser corridors frequently exceeding 200 Mbps. LTE medians commonly range 20–60 Mbps where 5G is weak or indoors.
  • Network augmentation has focused on I-35, SH-45, SH-130, US-183, and new residential clusters in Leander–Liberty Hill and northeast of Georgetown, reflecting commuter demand and greenfield builds.
• Fixed-wireless availability
  • 5G Home Internet (Verizon, T-Mobile) is widely available in incorporated areas and new subdivisions, providing an alternative to cable/fiber. Eligibility is notably higher than many rural Texas counties but remains secondary to the county’s extensive wired broadband footprint.
• Backhaul and fiber
  • Multiple long-haul and metro fiber routes traverse the county along I-35, SH-45, and SH-130, with dense enterprise and municipal connectivity around Round Rock and Georgetown. This fiber depth underpins strong 5G backhaul and lowers the need for mobile-only home internet relative to the Texas average.

Behavioral and market trends to watch

• Rapid in-migration and greenfield housing starts continue to shift coverage needs northwest (Leander/Liberty Hill) and northeast (Hutto/Jarrell), driving new small-cell and macro infill.
• Work-from-home and hybrid work patterns sustain high daytime mobile data loads in residential areas, keeping traffic flatter over the day than pre-2020 norms and encouraging continued 5G capacity upgrades.
• Device lifecycle is relatively short in the county; upgrades to 5G-capable phones occur sooner than statewide averages, sustaining higher mid-band utilization and better realized speeds.

Bottom line Williamson County’s mobile ecosystem outperforms Texas averages on adoption and network quality. The county combines near-saturation smartphone use, strong 5G coverage and speeds, and widespread wired broadband, yielding lower smartphone-only dependency and higher multi-line, multi-device usage than the state overall.

Williamson County, TX social media snapshot (2025-ready)

Population and internet access

• Total population: ≈670,000 (2023 estimate). Adults 18+: ≈516,000.
• Household internet: very high broadband adoption (low-90% range), supporting near-ubiquitous social access.

Overall social media users (13+)

• Adults using at least one social platform: ≈370,000–385,000 (≈72–75% of adults; national benchmark applied locally).
• Teens (13–17) using social: ≈45,000 (≈95% of teens).
• Total social users (13+): ≈415,000–430,000.

Most‑used platforms among adults (share of adults; estimated user counts)

• YouTube: 83% (~428,000)
• Facebook: 68% (~351,000)
• Instagram: 47% (~242,000)
• Pinterest: 35% (~181,000)
• TikTok: 33% (~170,000)
• LinkedIn: 30% (~155,000)
• WhatsApp: 29% (~150,000)
• Snapchat: 27% (~139,000)
• X (Twitter): 22% (~114,000)
• Reddit: 22% (~114,000)

Audience composition

• Age mix of adult social users (estimated):
  • 18–29: ~25%
  • 30–49: ~43% (largest slice; family‑forming, commuter cohort)
  • 50–64: ~23%
  • 65+: ~10%
• Gender (overall): ≈51% female, 49% male (mirrors county population).
  • Platform skews: Pinterest (majority female), TikTok/Snapchat (slight female tilt), Facebook (slight female tilt), LinkedIn/X/Reddit (male-leaning), Instagram (near even, slight female tilt).
• Households with children are overrepresented in local Facebook Groups, Instagram, and Snapchat audiences; strong teen penetration in Snapchat, TikTok, YouTube.
• Notable multilingual use: English/Spanish and South Asian languages via WhatsApp and Facebook Groups.

Behavioral trends (what people do and respond to)

• Hyper‑local utility: Heavy use of Facebook Groups and neighborhood apps for school updates (RRISD, LISD, GISD), HOA news, city services, safety, and local recommendations.
• Commerce: Facebook Marketplace and local buy/sell/trade groups are primary channels for used goods, home/yard equipment, and baby/kid items; coupon/discount content performs above average.
• Content formats: Short‑form video (Reels/TikTok/Shorts) drives discovery for restaurants, home improvement, fitness, and family activities; how‑to and DIY thrive on YouTube.
• Community life: Youth sports, churches, and school-related content see high engagement; local event calendars and weekend guides perform well.
• Professional presence: LinkedIn engagement is stronger than the U.S. average due to the north Austin tech/healthcare corridor; weekday, work‑hour activity is common.
• Messaging/private sharing: Facebook Messenger and WhatsApp are preferred for coordinating family, church, sports teams, and neighborhood groups.
• Timing: Peak engagement typically weekday evenings (7–10 pm) and weekend mornings; activity patterns track the school year (spikes around back‑to‑school, holidays, playoffs).

Notes on methodology

• Population and age structure: U.S. Census Bureau ACS (2023 estimates).
• Platform usage rates: Pew Research Center (2023–2024) national adult usage percentages applied to Williamson County’s adult population to produce local estimates. Multi‑platform use means counts across platforms overlap.