Illinois Population Demographics

  • Illinois (Midwestern U.S.)
  • Total population: 12,549,689 (2023 estimate); 12,812,508 in 2020 (−2.0% since 2020)
  • Land area: 55,519 sq mi; population density: 226 people per sq mi (2023 est.)
  • Age profile: median age 38.9 years; under 18: 22.2%; 65 and over: 17.6%
  • Sex: female 50.9%; male 49.1%
  • Race (non-Hispanic): White 60.8%; Black 13.9%; Asian 6.1%; Two or more races 2.7%; American Indian/Alaska Native and Native Hawaiian/Other Pacific Islander combined 0.6%
  • Ethnicity: Hispanic or Latino (of any race) 18.5%
  • Insight: Population is heavily concentrated in the Chicago metro, driving higher density in the northeast relative to downstate regions

Important Facts About Illinois

  • Capital Springfield; largest city Chicago; population 12.55 million (2023 est.), 6th-most populous state; area 57,914 sq mi.
  • Economy $1.1 trillion GDP (2023), 5th-largest; strengths in finance (CME Group), advanced manufacturing, logistics, and tourism.
  • Agriculture spans 27 million acres (73% of land); #1 U.S. soybean producer (2023) and #2 in corn; major ethanol and biofuel producer.
  • Energy: national leader in nuclear power with 11 operating reactors at 6 plants, producing more electricity from nuclear than any other state.
  • Transportation hub: Chicago O’Hare handled 73.9 million passengers in 2023; top U.S. rail and trucking nexus; Historic U.S. Route 66 begins in Chicago.
  • Architecture and culture: birthplace of the skyscraper (Home Insurance Building, 1885); Willis Tower (1,451 ft) was the world’s tallest from 1973–1998; two Frank Lloyd Wright sites (Robie House, Unity Temple) are UNESCO World Heritage.
  • History: Abraham Lincoln’s political base; Great Chicago Fire (1871); World’s Columbian Exposition (1893); first controlled, sustained nuclear chain reaction at the University of Chicago (1942).
  • Natural features: 63 miles of Lake Michigan shoreline; Shawnee National Forest’s Garden of the Gods; Starved Rock State Park’s 18 sandstone canyons, drawing over 2 million visitors annually.

Illinois Email User Demographics

  • Estimated email users: ~9.3 million (about 73% of Illinois’ ~12.7–12.8 million residents), reflecting high adult internet/email adoption.
  • Age distribution of email users: 18–34 ≈ 2.51M (27%); 35–54 ≈ 2.79M (30%); 55–64 ≈ 1.49M (16%); 65+ ≈ 2.51M (27%).
  • Gender: Female ≈ 4.74M (51%); Male ≈ 4.56M (49%).
  • Racial/ethnic composition of email users: Non‑Hispanic White ≈ 5.58M (60%); Hispanic/Latino ≈ 1.67M (18%); Black ≈ 1.30M (14%); Asian ≈ 0.56M (6%); Multiracial/Other ≈ 0.19M (2%).
  • Insight: The email user base largely mirrors Illinois’ adult demographic makeup, with strong concentration in the Chicago metro supporting the largest share of users.
  • Population density (context): ~231 people per square mile (population ~12.8M over ~55,519 sq mi of land).

Phone Usage Statistics in Illinois State

  • Estimated phone users (mobile): ~10.7 million, about 85% of Illinois’s 12.55 million residents (2023).
  • Age distribution of users: 0–12: 5.6%; 13–17: 7.3%; 18–29: 19.6%; 30–49: 29.1%; 50–64: 20.6%; 65+: 17.8%.
  • Gender: ~51% female, 49% male among users, reflecting the state’s near-parity sex mix.
  • Racial/ethnic composition of users (mirrors the state’s adult population): ~61% non-Hispanic White, 14% Black, 19% Hispanic/Latino, 6% Asian.
  • Population density (context): ~226 people per square mile (12.55M residents over 55,518 sq mi of land).
  • Insight: High urbanization centered on the Chicago metro sustains near-universal adult mobile use; senior adoption lags modestly versus younger cohorts.

Social Media User Statistics in Illinois

  • Illinois (pop. ~12.6M) has ~10.1M social media users (≈80% penetration).

  • Age mix of users: 13–17 8%, 18–24 14%, 25–34 23%, 35–44 18%, 45–54 15%, 55–64 12%, 65+ 10%.

  • Gender: ~52% female, 48% male.

  • Method: platform figures below are Illinois estimates by scaling 2023–2024 US user bases by IL’s ~3.8% share of US population.

  • Facebook: ~6.8M IL users; broad age; ~53% female.

  • Instagram: ~5.3M; 18–34 ≈60%; ~51% female.

  • YouTube (Google): ~9.4M; reach ≈75% of all IL residents; near gender parity.

  • X (Twitter): ~2.5M; 18–34 ≈55%; ~62% male.

  • Discord: ~1.4M; 13–34 ≈80%; ~70% male.

  • Tinder: ~0.85M; 18–34 ≈85%; ~75% male.

  • Bumble: ~0.72M; 18–34 ≈80%; ~60% male.

  • OnlyFans: ~1.7M viewers; 18–34 ≈70%; ~70% male.

Table of Contents

Counties in Illinois