Illinois
D+10.9↓ R+6.2 vs 2020· Latest: 2024Leans Democratic — voted Democratic in every presidential election since 1992
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Unlock with Pro$33/moWho lives in Illinois? 12,694,798 residents as of the 2020 Census.
Demographics
Illinois vs NationalPopulation
Total Population
12.7M
National: 334.9M
Share of US Population
3.79%
National: 100%
Voting Age Population
75.9%
National: 75.7%
Language at Home
Non-English at Home
24.0%
National: 22.2%
English Only
76.0%
National: 77.8%
Economic
Median Household Income
$84,845
National: $83,960
Poverty Rate
11.8%
National: 12.5%
College Degree
37.9%
National: 35.6%
Homeownership
67.1%
National: 65.2%
Age & Other
Median Age
39.1 yrs
National: 39.1 yrs
Age 18-29
15.8%
National: 15.7%
Age 65+
17.0%
National: 17.0%
Foreign Born
14.7%
National: 14.1%
Who Lives Here
Illinois — Census ACS 2024
White (Non-Hispanic) 58.1%Hispanic 18.8%Black 13.6%Asian 6.0%Multiracial 2.9%Native American 0.6%
| Group | Illinois | National |
|---|---|---|
▶White (Non-Hispanic)(13) | 58.1% | 57.4% |
▶Hispanic / Latino(20) | 18.8% | 19.3% |
▶Black(14) | 13.6% | 12.2% |
▶Asian(6) | 6.0% | 6.0% |
Multiracial / Other | 2.9% | 4.0% |
▶Middle Eastern / North African(11) | 1.0% | 0.9% |
▶Native American / Alaska Native(2) | 0.6% | 0.9% |
Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.
Click rows to expand ancestry detail. Ancestry from ACS B04006, B03001, B02020, B02016. Totals may differ from race — individuals can report multiple ancestries.
MENA estimated from ancestry reporting — Census does not have a separate MENA race category. Not shown in bar (overlaps with other race groups).
Religious Adherents
Population that are religious adherents:
51.3%(6.5M people)
U.S. Religion Census 2020
| Tradition | % of Adherents | US Average |
|---|---|---|
Catholic | 47.6% | — |
Evangelical Protestant | 23.1% | — |
Other | 12.2% | — |
Mainline Protestant | 10.3% | — |
Black Protestant | 5.9% | — |
Orthodox Christian | 0.9% | — |
LDS (Mormon) | 0.9% | — |
Click tradition names to expand denominations. Percentages show share of religious adherents (not total population).
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