Warren County, Illinois

Total Population: 16,576

County Seat: Monmouth

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Median Home Value

$101,300

Owner-occupied units

Median Household Income

$64,650

Across all households

Median Age

38.7 yrs

Across all residents

Bachelor's Degree+

22.0%

Adults 25 and older

Nearby Counties

Demographics

14 fields

Racial & Ethnic Composition

White (Non-Hispanic)81.7%
Hispanic or Latino10.8%
Black (Non-Hispanic)2.8%
Asian (Non-Hispanic)2.4%
Two or More Races1.9%
Am. Indian / Alaska Native0.1%
Other Race0.1%
Hawaiian / Pacific Islander0.1%

Under 18 Years

22.2%

65 Years and Over

19.6%

Male

50.1%

Female

49.9%

U.S. Citizens (18+)

96.9%

No Health Insurance

6.0%

Education

3 fields

High School Graduate or Higher (25+)

86.6%

Bachelor's Degree or Higher (25+)

22.0%

Enrolled in College (18+)

9.5%

Economics

6 fields

Median Household Income

$64,650

Mean Household Income

$82,733

Per Capita Income

$33,620

Unemployment Rate (16+)

5.2%

In Labor Force (19–64)

79.0%

SNAP / Food Stamps

14.0%

Housing & Households

13 fields

Median Home Value

$101,300

Median Rent

$694/mo

Total Housing Units

7,598

Owner-Occupied

78.1%

Renter-Occupied

21.9%

Vacancy Rate

11.5%

Married Couple Households

48.0%

Cohabiting Couple Households

8.2%

Male Householder, No Partner

17.4%

Female Householder, No Partner

26.4%

Average Household Size

2.32

Broadband Internet Access

84.3%

Housing Built Since 2010

1.8%

Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 17187.