Peoria County, Illinois Demographics 2026
Peoria County, Illinois has a population of 179,645, the 12th most populous county in Illinois. The median household income is $65,108 and the median home value is $158,500. The poverty rate is 15.7%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Peoria County Quick Facts
How Peoria County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 179,831 | 179,645 | -0.1% |
| Median household income | $64,938 | $65,108 | +0.3% |
| Median home value | $152,600 | $158,500 | +3.9% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 61 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Peoria County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Peoria | 112,169 | $59,410 | 21.0% | $156,200 |
| Pekin | 31,781 | $60,790 | 12.8% | $120,700 |
| Chillicothe | 5,900 | $66,132 | 3.7% | $132,900 |
| Bartonville | 5,841 | $72,821 | 7.1% | $139,100 |
| Peoria Heights | 5,825 | $60,099 | 8.2% | $117,700 |
| West Peoria | 4,238 | $66,098 | 8.4% | $93,900 |
| Elmwood | 2,327 | $90,285 | 10.1% | $153,500 |
| Bellevue | 2,106 | $60,987 | 11.6% | $121,300 |
| Farmington | 2,050 | $65,223 | 11.0% | $101,300 |
| Rome | 1,947 | $88,750 | 6.5% | $159,800 |
| Princeville | 1,837 | $76,250 | 14.2% | $168,100 |
| Lake Camelot | 1,629 | $133,656 | 0.0% | $236,400 |
| Dunlap | 1,360 | $141,552 | 3.3% | $289,600 |
| Hanna City | 1,330 | $73,265 | 5.4% | $123,900 |
| Brimfield | 750 | $70,000 | 11.4% | $140,700 |
| Glasford | 720 | $77,500 | 13.8% | $102,800 |
| Norwood | 532 | $69,583 | 13.7% | $97,000 |
| Trivoli | 365 | $67,407 | 8.0% | $151,900 |
| Mapleton | 332 | $67,813 | 6.0% | $106,300 |
| Kingston Mines | 182 | $51,875 | 18.1% | $75,000 |
| Mossville | 51 | N/A | 13.7% | $56,300 |
| Smithville | 44 | N/A | 0.0% | N/A |
Explore Illinois Rankings
Population Overview
Peoria County is located in Illinois with a total population of 179,645. It is the 12th most populous county out of 102 in Illinois. The county encompasses 22 Census-designated places.
Age Demographics
The median age in Peoria County is 38.1 years. This is 2% lower than the state median of 39.0 years.
Economy, Income & Housing
The median household income in Peoria County is $65,108. This is 22% lower than the state median of $83,390. It is also 19% lower than the national median of $80,734. The poverty rate stands at 15.7%. This is 33% higher than the state poverty rate of 11.8%. The unemployment rate is 6.2%. This is 6% higher than the state rate of 5.8%. The median home value is $158,500. Housing costs are 40% lower than the state median of $263,300. With a home-value-to-income ratio of just 2.4x, Peoria County is one of the most affordable housing markets in the area. 67.0% of occupied housing units are owner-occupied.
Race & Ethnicity
The largest racial or ethnic group in Peoria County is White (non-Hispanic), making up 66.1% of the population. Black or African American residents account for 17.3%. The Hispanic or Latino population (6.0%) is well below the state average of 18.8%.
Education
34.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 8% lower than the state rate of 37.9%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.4%.
Data Sources & Methodology
All figures for Peoria County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Illinois and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Peoria County, Illinois?
Peoria County has a population of 179,645, making it the 12th most populous county in Illinois.
What is the median income in Peoria County?
The median household income in Peoria County is $65,108 with a poverty rate of 15.7%.
How many cities are in Peoria County, Illinois?
Peoria County contains 22 Census-designated places.