Maryland Population Demographics

  • Total population: 6,177,224 (2020 Census), up 7.0% since 2010.
  • Land area: 9,707 sq mi; population density: 636 people/sq mi (246/km²), among the five most densely populated states.
  • Age: median 39.2 years; 22% under 18; 16.4% age 65+.
  • Gender: 51.6% female, 48.4% male.
  • Racial/ethnic composition (2020 Census; non-Hispanic race shares unless noted): White 47%, Black or African American 29%, Hispanic or Latino (any race) 12%, Asian 6.7%, Two or more races 4.7%, other groups 0.8%.
  • Urban concentration: Most residents live in the Baltimore–Washington corridor; suburban counties drive recent growth.
  • Insight: Maryland is diverse, metro-centric, and densely settled, pairing steady growth with an age structure slightly older than the national median.

Important Facts About Maryland

  • Maryland (capital: Annapolis; largest city: Baltimore) had 6.18 million residents in 2023 and is nicknamed the “Old Line State.”
  • Key history: founded as a proprietary colony in 1632; Maryland Toleration Act (1649) advanced religious freedom; Mason–Dixon Line completed (1767); Fort McHenry’s defense (1814) inspired the Star-Spangled Banner; Antietam (Sept. 17, 1862) saw about 23,000 casualties, the bloodiest single day of the Civil War.
  • Cultural/architectural milestones: U.S. Naval Academy established in 1845; Baltimore & Ohio Railroad (1830) was the first U.S. common-carrier railroad; America’s first Roman Catholic cathedral (Basilica of the Assumption) completed in 1821; the Chesapeake Bay Bridge spans roughly 4.3 miles.
  • Natural features: the Chesapeake Bay is the largest U.S. estuary (about 200 miles long; average depth ~21 ft); Maryland has 3,190 miles of tidal shoreline; highest point is Backbone Mountain (3,360 ft); Assateague Island is famed for wild horses.
  • Economy: 2023 median household income was $98,461 (ACS), among the nation’s highest; strong clusters in life sciences, cybersecurity, aerospace/defense, and federal contracting (NIH, FDA, NSA).
  • Agriculture and tourism: 1.98 million acres of farmland (2022), led by poultry, nursery/greenhouse products, and grain; seafood—especially blue crabs and oysters—remains iconic; major draws include Ocean City’s 10-mile beach and 3-mile boardwalk, the National Aquarium, and Antietam National Battlefield.

Maryland Email User Demographics

  • Population density: ~637 people per sq. mile (2023; pop ~6.18M over 9,707 sq. miles).
  • Estimated adult email users (18+): ~4.5 million (adults ~79% of residents; ~92% of U.S. adults use email; applied to Maryland).
  • Age distribution among email users: 18–64 ~79% (~3.5M); 65+ ~21% (~1.0M).
  • Gender breakdown of email users: Female ~51.6% (~2.3M); Male ~48.4% (~2.2M).
  • Racial/ethnic composition among email users (shares of residents applied proportionally; ACS 2023; note Hispanic overlaps with race): Non‑Hispanic White ~49.8% (~2.24M); Black/African American ~31.7% (~1.42M); Hispanic/Latino (any race) ~11.5% (~0.52M); Asian ~7.4% (~0.33M).

Phone Usage Statistics in Maryland State

  • Estimated mobile phone users: ~5.7 million (≈93% of Maryland’s 6.18 million residents).
  • Age distribution of phone users: Under 18 ≈20%; 18–34 ≈25%; 35–54 ≈27%; 55–64 ≈12%; 65+ ≈16% (reflecting slightly lower uptake among older adults).
  • Gender breakdown among phone users: ≈51% female, ≈49% male (closely mirroring statewide demographics).
  • Racial and ethnic composition of phone users (tracks overall population due to near‑universal adoption): ≈49% White (non‑Hispanic), ≈31% Black/African American, ≈11% Hispanic/Latino (any race), ≈7% Asian, ≈2% other/multiracial.
  • Population density (context): ≈637 people per square mile statewide.

Social Media User Statistics in Maryland

  • Estimated social media users in Maryland: ~4.6M (≈74% of 6.2M residents)

  • Age distribution of users: 13–17 ~7% (0.32M); 18–29 ~29% (1.33M); 30–49 ~34% (1.56M); 50–64 ~20% (0.92M); 65+ ~10% (0.46M)

  • Gender breakdown: ~52% female, 48% male

  • Platform user estimates among Maryland adults (share ≈ adults who report using the platform):

    • YouTube (Google): ~4.0M (83%)
    • Facebook: ~3.3M (68%)
    • Instagram: ~2.3M (47%)
    • Twitter/X: ~1.1M (22%)
    • Discord: ~0.7M (14%)
    • Tinder: ~0.6M (13%)
    • Bumble: ~0.4M (8%)
    • OnlyFans: ~0.14M (3%)

  • Notes: Figures are reasoned estimates derived by applying recent U.S. platform usage rates (e.g., Pew/DataReportal 2024) to Maryland’s adult population (~4.8M), and may vary with platform reporting and demographic shifts

Table of Contents

Counties in Maryland