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Warren County, Illinois

County

Population: 16,576 (2023 estimate)

Located in Illinois

County-level Census Bureau data covering income, housing, demographics, education, employment, and more. Counties are the primary administrative division in the U.S. and the most common unit for comparing local conditions across a state.

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Data: U.S. Census Bureau, ACS 5-Year Estimates, 2023 (released December 2024).

Quick Facts — Warren County

What is the median household income in Warren County?
The median household income in Warren County is $64,650 (U.S. Census Bureau ACS 5-Year Estimates, 2023).
What is the poverty rate in Warren County?
The poverty rate in Warren County is 7.5% (U.S. Census Bureau ACS 2023).
What is the median home value in Warren County?
$101,300 (U.S. Census Bureau ACS 2023).
What is the average rent in Warren County?
The median gross rent in Warren County is $694 per month (U.S. Census Bureau ACS 2023).
What percentage of Warren County residents have a college degree?
22.0% of adults in Warren County hold a bachelor's degree or higher (U.S. Census Bureau ACS 2023).
Population
16,576
Median Income
$64,650
Median Home Value
$101,300
Poverty Rate
7.5%
Unemployment (ACS 2023)
5.2%
Median Age
38.0 yrs
Since 2019 Median Income: +$14,340 (+28.5%) Home Value: +$17,400 (+20.7%) Poverty Rate: -3.0 pp (-28.6%) Bachelor's+: -0.8 pp (-3.5%) Unemployment: -2.5 pp (-32.5%)

Demographics

Total Population 16,576
Median Age 38.0
Female 49.9%
Race & Ethnicity
Hispanic or Latino 10.8% White (non-Hisp.) 81.7% Black 2.8% Asian 2.4% Two or More 3.7% Other 4.6%
Asian Subgroups (% of total pop.)
Filipino
0.2%
Japanese
0.2%
Chinese
0.1%
Korean
0.1%
Hispanic Subgroups (% of total pop.)
Mexican
9.1%
Puerto Rican
0.7%
Cuban
0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Income & Poverty

Median Household Income $64,650 ±$6,493
-$17,052 vs. state
Per Capita Income $79,034
Median Family Income $82,684
Poverty Rate 7.5%
-0.7 pp vs. state
Child Poverty Rate 16.1%
Working-Age Poverty Rate
SNAP Recipients 14.0%
Social Security Income
Retirement Income 26.1%
Household Income Distribution
< $10k
4.1%
$10–15k
4.2%
$15–25k
4.8%
$25–35k
7.7%
$35–50k
14.8%
$50–75k
19.9%
$75–100k
15.6%
$100–150k
17.5%
$150–200k
6.4%
$200k+
5.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Housing

Total Housing Units 7,598
Owner-Occupied 78.1%
Renter-Occupied 21.9%
Vacancy Rate 11.5%
Median Home Value $101,300
-$149,200 vs. state
Median Gross Rent $694
Owner Cost Burden (30%+) 14.8%
Renter Cost Burden (30%+) 18.0%
Home Value Distribution
< $50k
10.6%
$50–100k
38.7%
$100–200k
19.5%
$200–300k
10.1%
$300–500k
6.8%
$500k–$1M
1.2%
$1M+
0.6%
Gross Rent Distribution
< $500
21.7%
$500–1k
61.4%
$1–1.5k
11.5%
$1.5–2k
4.0%
$2–2.5k
0.5%
$3.5k+
0.9%
Vehicle Availability
No vehicle
5.7%
1 vehicle
30.1%
2 vehicles
44.3%
3+
20.0%
Housing Type
Single-fam. det.
87.1%
Single-fam. att.
1.0%
2–4 units
0.8%
5–19 units
3.3%
20+ units
3.1%
Mobile home
2.3%
Housing Age
Pre-1940
34.7%
1940–1969
7.3%
1970–1999
16.5%
2000–2009
5.6%
2010+
1.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Education

High School or Higher 86.6%
Bachelor's or Higher 22.0%
-15.2 pp vs. state
Graduate Degree 7.8%
Some College / Associate 19.0%
Less Than High School 4.7%
Enrolled in School

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Employment

Labor Force Participation 62.3%
Unemployment Rate 5.2%
-0.6 pp vs. state
Work from Home 5.5%
Self-Employed 6.2%
Government Workers 17.4%
Private For-Profit 76.4%
Industry
Edu/Health
28.9%
Manufacturing
14.2%
Retail
10.4%
Transportation
8.8%
Arts/Entmt.
6.9%
Finance
5.0%
Agriculture
4.2%
Prof. Services
4.1%
Public Admin
3.7%
Wholesale
3.5%
Construction
3.2%
Information
1.0%
Occupation
Management
28.7%
Production
23.2%
Sales
21.9%
Food Prep
19.2%
Construction
6.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Commute

Median Travel Time 19.4 min
Drove Alone 82.3%
Carpool 6.7%
Public Transit 0.4%
Work from Home 5.5%
Walked 4.0%
Bicycle

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Households & Families

Total Households 6,722
Avg. Household Size 2.00
Avg. Family Size
Married-Couple Households 48.0%
Single-Mother Households
Single-Father Households
Living Alone
Households with Children 15.0%
Multigenerational

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Age Distribution

Under 5
5.4%
5–9
7.0%
10–14
6.2%
15–19
7.8%
20–24
8.2%
25–34
10.5%
35–44
10.5%
45–54
11.4%
55–64
6.6%
65–74
6.7%
75–84
11.5%
85+
5.6%
Under 18: 22.2% Working age (18–64): 77.8% 65 and over: 19.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Social Characteristics

Immigration

Foreign Born 6.2%
Naturalized Citizen 59.3%
Speaks English Less Than Very Well 6.0%
Foreign-Born Origin
Latin America
59.5%
Asia
24.8%
Africa
14.6%
Europe
1.2%

Veterans & Disability

Veteran 6.4%
With a Disability 13.7%
Cognitive Difficulty
Ambulatory Difficulty

Health Insurance

Insured 94.0%
Uninsured 6.0%
Employer Insurance
Medicaid
Medicare

Technology & Mobility

Broadband Internet 84.3%
Has a Computer 92.4%
Same House 1 Year Ago 84.7%
Moved from Abroad 0.1%

Source: U.S. Census Bureau, ACS 5-Year Estimates, 2023

Compare Warren County

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Where People Move From (IRS Migration Data)

Top origins of people who moved to Warren County in 2023, by number of tax returns filed (IRS SOI Migration Data).

Origin Tax Returns People (est.)
Knox County 62 113
Other flows - Midwest 57 107
Other flows - South 40 86
Mercer County 26 51
Other flows - West 25 41
Henderson County 24 43