Demographics · IL
Peoria, IL demographics: 112,169 residents, with a median age of 35.5 years, from the U.S. Census Bureau's American Community Survey 2020–2024 (5-year estimates).
112,169people are estimated in Peoria, at a median age of 35.5 years (American Community Survey 2020–2024 period estimate)
Median age 35.5 years — younger than the U.S. median of 38.9.
ACS 2020–2024 5-year · ACS 5-Year Estimates 2020-2024 (released 2026-01-29)
In Peoria, the largest race group is White (54.6%); 8.0% of residents are Hispanic or Latino (of any race); 10.1% were born outside the United States.
ACS 2020–2024 · B01001 / B01002
The estimated median age in Peoria is 35.5 years (±0.6), compared with the U.S. estimate of 38.9 ± 0.1 years. These are descriptive comparisons, not significance tests. The population is 47.9% ± 0.5 percentage points male and 52.1% ± 0.5 percentage points female. The largest age band is 5 to 17 at 17.3%.
| Age band | People | Share | ± margin |
|---|---|---|---|
| Under 5 | 7,980 | 7.1% ± 0.3 percentage points | ±324 |
| 5 to 17 | 19,383 | 17.3% ± 0.8 percentage points | ±870 |
| 18 to 24 | 12,039 | 10.7% ± 0.6 percentage points | ±721 |
| 25 to 34 | 16,004 | 14.3% ± 0.5 percentage points | ±566 |
| 35 to 44 | 14,031 | 12.5% ± 0.6 percentage points | ±717 |
| 45 to 54 | 12,409 | 11.1% ± 0.4 percentage points | ±468 |
| 55 to 64 | 11,465 | 10.2% ± 0.7 percentage points | ±747 |
| 65 to 74 | 10,898 | 9.7% ± 0.6 percentage points | ±685 |
| 75 and over | 7,960 | 7.1% ± 0.6 percentage points | ±620 |
Median age by sex: 34.4 (male) · 36.6 (female).
Shares may not sum to 100% due to rounding. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B01001 sex by age, B01002 median age) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B02001 / B03003
The largest race group in Peoria is White at 54.6% of the population. Separately, 8.0% of residents are Hispanic or Latino of any race.Race and Hispanic origin are two different questions on the census form, so their shares are reported separately and are not additive.
| Race (alone, or two or more) | People | Share | ± margin |
|---|---|---|---|
| White alone | 61,240 | 54.6% ± 1.0 percentage points | ±1,107 |
| Black or African American alone | 28,889 | 25.8% ± 1.1 percentage points | ±1,243 |
| American Indian & Alaska Native alone | 444 | 0.4% ± 0.3 percentage points | ±313 · low precision |
| Asian alone | 7,448 | 6.6% ± 0.3 percentage points | ±332 |
| Native Hawaiian & Pacific Islander alone | 112 | 0.1% ± 0.1 percentage points | ±98 · low precision |
| Some other race alone | 3,655 | 3.3% ± 0.7 percentage points | ±777 |
| Two or more races | 10,381 | 9.3% ± 1.1 percentage points | ±1,214 |
| Hispanic or Latino (of any race) | 8,930 | 8.0% ± 0.4 percentage points | ±464 |
Race shares may not sum to 100% due to rounding; race and Hispanic origin are separate questions and are not additive. Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B02001 race, B03003 Hispanic or Latino origin) · place-grain · margins of error at the 90% confidence level · methodology →
ACS 2020–2024 · B11001 / B25010
Peoria has 49,037 households. 52.4% are family households and 41.3% are people living alone. The average household holds 2.20 people.
Total households
49,037
ACS 2020–2024 5-yr · B11001
Avg household size
2.20
ACS 2020–2024 5-yr · B25010 · ±0.03
Family households
52.4% ± 1.5 percentage points
Share of all households · B11001
Living alone
41.3% ± 1.9 percentage points
Share of all households · B11001
| Household type | Households | ± margin |
|---|---|---|
| Total households | 49,037 | ±682 |
| Family households | 25,694 | ±820 |
| Nonfamily households | 23,343 | ±979 |
| Householder living alone | 20,228 | ±970 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B11001 household type, B25010 average household size) · place-grain · methodology →
ACS 2020–2024 · B05002 / C16001
10.1% of Peoria residents were born outside the United States. 87.2% of residents age 5 and over speak only English at home. The most-spoken non-English language at home is Spanish (4.4%).
| Measure | Value | Source / grain |
|---|---|---|
| Foreign-born share | 10.1% ± 1.2 percentage points | 11,309 people · B05002 |
| Speak only English at home (age 5+) | 87.2% ± 1.2 percentage points | C16001 |
| Top non-English language at home | 4.4% ± 0.6 percentage points | Spanish · 4,546 speakers · C16001 |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B05002 place of birth, C16001 language spoken at home) · place-grain · methodology →
ACS 2020–2024 · B15003
37.7% ± 1.6 percentage points of adults age 25 and over in Peoria hold a bachelor's degree or higher. The U.S. estimate is 35.7%.
| Measure | Value | Source / grain |
|---|---|---|
| Bachelor's degree or higher (age 25+) | 37.7% | B15003 lines 22–25 over line 1 · place-grain |
Source: U.S. Census Bureau, ACS 5-Year 2020–2024 (B15003 educational attainment, population 25+) · place-grain · methodology →
Sources · provenance
The GEOID for Peoria is 1759000. Every figure on this page is a place-grain American Community Survey 5-Year 2020–2024 estimate (ACS 5-Year Estimates 2020-2024 (released 2026-01-29)) shown with its margin of error. Full per-dataset detail: /sources/.