Warren County, Illinois

IL · FIPS 17187 · ACS 2024 5-Year Estimates

Metric Value vs National Rank Percentile
Total Population 16,447 #2,075 / 3,222
36th
Median Household Income $67,385 -10.3% #1,398 / 3,222
57th
Median Age 38.5 years -1.0% #2,474 / 3,222
23th
Median Home Value $105,000 -62.8% #2,917 / 3,222
9th
Median Gross Rent $788 -32.2% #2,197 / 3,222
32th
Poverty Rate 14.6% +16.1% #1,878 / 3,222
42th

Demographics

Warren County has a population of 16,447, making it the #2,075 most populous county in the US. The median age is 38.5 years, which is 1.0% below the national median.

Population Trend

Rankings →

Year-over-Year Population Growth

Age & Sex Distribution

Race & Ethnicity

Nativity

93.5%
Native Born
6.5%
Foreign Born

Household Type

Economy

The median household income in Warren County is $67,385, ranking #1,398 out of 3,222 counties — 10.3% below the national median. The poverty rate is 14.6% and unemployment stands at 3.6%.

Median Household Income
$67,385 −10.3% vs nat'l
Rank #1,398 of 3,222
57th percentile
Per Capita Income
$35,164 −14.8% vs nat'l
Rank #1,565 of 3,222
51th percentile
Poverty Rate
14.6% +16.1% vs nat'l
Rank #1,878 of 3,222
42th percentile
Unemployment Rate
3.6% −32.3% vs nat'l
Rank #1,051 of 3,222
67th percentile
Bachelor's Degree or Higher
22.0% −34.8% vs nat'l
Rank #1,660 of 3,222
48th percentile
Mean Commute Time
20.9 min −24.4% vs nat'l
Rank #2,723 of 3,222
15th percentile

Median Household Income Trend

Rankings →

Poverty Rate Trend

Rankings →

Housing

The median home value in Warren County is $105,000 (-62.8% vs national). Renters pay a median of $788/mo and the homeownership rate is 75.2%.

Median Home Value
$105,000 −62.8% vs nat'l
Rank #2,917 of 3,222
9th percentile
Median Gross Rent
$788 −32.2% vs nat'l
Rank #2,197 of 3,222
32th percentile
Homeownership Rate
75.2% +16.7% vs nat'l
Rank #1,497 of 3,222
54th percentile
75.2% Homeownership

Median Home Value Trend

Rankings →

Health

95.0% of residents in Warren County have health insurance coverage, which is 3.6% above the national rate.

95.0% Health Insurance
Health Insurance Coverage
95.0% +3.6% vs nat'l
Rank #628 of 3,222
81th percentile

About Warren County, Illinois

Warren County, Illinois has a total population of 16,447, making it the 2,075th most populous county in the United States. The median age in Warren County is 38.5 years, which is 1.0% below the national median of 38.9 years.

The median household income in Warren County is $67,385, which ranks #1,398 of 3,222 counties nationwide. This is 10.3% below the national median of $75,149. The poverty rate is 14.6%, higher than the national rate of 12.6%. The unemployment rate stands at 3.6%.

The median home value in Warren County is $105,000, 62.8% below the national median. Renters in Warren County pay a median gross rent of $788 per month. The homeownership rate is 75.2%, compared to the national rate of 64.4%.

In Warren County, 22.0% of residents aged 25 and older hold a bachelor's degree or higher, 34.8% below the national average of 33.7%. Health insurance coverage stands at 95.0% of the population. The average commute time for workers is 20.9 min.

Warren County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 81.1% of the population, followed by Hispanic or Latino (11.1%) and Black (non-Hispanic) (2.7%).

All data for Warren County, Illinois comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.