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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

Population 179,645
Median Household Income $65,108
Median Home Value $158,500
Poverty Rate 15.7%
Unemployment Rate 6.2%
Median Age 38.1 years
Homeownership Rate 67.0%
Affordability Ratio 2.4x
Bachelor's Degree+ 34.9%
High School Graduation 93.4%
Cities/Places 22
Population 179,645 12th of 102
Median Income $65,108 22% lower than state
Poverty Rate 15.7%
Unemployment 6.2%

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.

Metric2019–20232020–2024Change
Population179,831179,645-0.1%
Median household income$64,938$65,108+0.3%
Median home value$152,600$158,500+3.9%

Economy & Housing

Household Income Distribution

Under $25K 19.5%
$25K-$50K 18.8%
$50K-$100K 30.3%
$100K+ 31.5%
Detailed income brackets
Under $10K
7.1%
$10K-$15K
4.7%
$15K-$20K
3.5%
$20K-$25K
4.1%
$25K-$30K
3.6%
$30K-$35K
3.2%
$35K-$40K
4.3%
$40K-$45K
3.9%
$45K-$50K
3.8%
$50K-$60K
6.9%
$60K-$75K
11.1%
$75K-$100K
12.2%
$100K-$125K
8.1%
$125K-$150K
6.3%
$150K-$200K
7.9%
$200K+
9.2%

Employment

6.2% Unemployment Rate State: 5.8%|National: 5.2%
62.2% Labor Force Participation

Housing Overview

Owner 67.0%
Renter 33.0%
Affordability Index Very Affordable
2.4x home value to income ratio
Median gross rent $993/mo 18.3% of median household income annually

People & Demographics

Diversity Index

52out of 100
Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 61 | National average: 61

Education

Cities & Places in Peoria County

CityPopulationMedian IncomePovertyHome Value
Peoria112,169$59,41021.0%$156,200
Pekin31,781$60,79012.8%$120,700
Chillicothe5,900$66,1323.7%$132,900
Bartonville5,841$72,8217.1%$139,100
Peoria Heights5,825$60,0998.2%$117,700
West Peoria4,238$66,0988.4%$93,900
Elmwood2,327$90,28510.1%$153,500
Bellevue2,106$60,98711.6%$121,300
Farmington2,050$65,22311.0%$101,300
Rome1,947$88,7506.5%$159,800
Princeville1,837$76,25014.2%$168,100
Lake Camelot1,629$133,6560.0%$236,400
Dunlap1,360$141,5523.3%$289,600
Hanna City1,330$73,2655.4%$123,900
Brimfield750$70,00011.4%$140,700
Glasford720$77,50013.8%$102,800
Norwood532$69,58313.7%$97,000
Trivoli365$67,4078.0%$151,900
Mapleton332$67,8136.0%$106,300
Kingston Mines182$51,87518.1%$75,000
Mossville51N/A13.7%$56,300
Smithville44N/A0.0%N/A

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.