United States › Illinois › Warren County COUNTY · 2010 ACS
Warren County Illinois · 17,707 residents · 542 sq mi
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The short version
Warren County is a county of 17,707 people in Illinois. Median home value sits at $83,300. Households here earn about 25% less than in Illinois as a whole. 20% of adults hold a bachelor's degree or higher. Owners hold 74% of the housing stock. 4% of residents were born outside the United States.
At a glance
Lower income
below the US median
US median: $52,703
Older
median age 39.6
US median: 37.2
Less educated
20% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 37.8 in 2000
US average: 37.2
Population, 1990 – 2024
16K 17K 18K 19K 19K 1990 2000 2010 2020 2024 Warren County Age distribution, 2010
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Section 02
Income & economy $41,636
−9%inflation adjusted, since 2000
from $36,224 in 2000
US average: $52,703
from $16,946 in 2000
US average: $27,286
Households earning $100K+
from 19.1% in 2009
US average: 33.3%
from 9.2% in 2000
US average: 13.8%
Workforce by industry, 2010
Professional, scientific, technical 8%
Agriculture, forestry, fishing 5.6%
Public administration 3.7%
Transportation & warehousing 3.6%
Arts, entertainment, food 0.6%
Education & health services 0.2%
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$83,300
+10%inflation adjusted, since 2000
from $60,000 in 2000
US average: $225,659
$576
+21%inflation adjusted, since 2000
from $376 in 2000
US average: $853
from 74.6% in 2000
26.4% rent
from 11.1% in 2009
US average: 12.1%
from 2.30 people in 2009
US average: 2.60
from 20.9% in 2009
US average: 30.9%
from 44.0% in 2009
US average: 46.8%
from 2.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 94.3%(17,672)
Hispanic / Latino 2.7%(507)
2010
White, non-Hispanic 88%(15,582)
Hispanic / Latino 8.4%(1,490)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 20 more ancestry groups with data from 15.8% in 2000
US average: 27.9%
High school or higher
from 82.3% in 2000
US average: 84.9%
from 4.7% in 2000
US average: 10.2%
Section 06
Commute & transportation from 13.7 min in 2000
US average: 25.2
from 76.4% in 2009
US average: 76.2%
from 10.0% in 2009
US average: 10.4%
from 0.3% in 2009
US average: 4.7%
from 5.0% in 2009
US average: 4.1%
from 6.8% in 2009
US average: 2.8%
from 0.5% in 2009
US average: 0.5%
from 5.6% in 2009
US average: 8.7%
Section 07
Work & employment from 12.9% in 2009
US average: 12.9%
from 27.3% in 2009
US average: 35.2%
Section 08
People & community from 2.6% in 2009
US average: 12.8%
from 11.4% in 2009
US average: 9.9%
Marital status (2024)
Men 15+
Never married 36.8%(2,465)
Women 15+
Never married 31.5%(2,132)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 12.1% in 2013
US average: 8.4%
from 53.8% in 2020
US average: 54.8%
Direct-purchase
from 15.1% in 2020
US average: 13.8%
from 20.1% in 2020
US average: 18.4%
from 22.6% in 2020
US average: 20.9%
VA health care
from 1.9% in 2020
US average: 2.2%
Any private
from 67.4% in 2020
US average: 67.1%
Any public
from 40.9% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 22.4%(210)
Gulf War (1990s) 22.9%(215)
Share of the 937 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Warren County Head to head
Compare Warren County to nearby counties WARREN COUNTY VS
Henderson County
Income $62,227 +49%
Home value $104,400 +25%
Population 5,984 −63%
SEE FULL COMPARISON →
WARREN COUNTY VS
Knox County
Income $57,030 +37%
Home value $111,900 +34%
Population 47,767 +194%
SEE FULL COMPARISON →
WARREN COUNTY VS
Mercer County
Income $74,182 +78%
Home value $146,700 +76%
Population 15,229 −6%
SEE FULL COMPARISON →
WARREN COUNTY VS
McDonough County
Income $52,795 +27%
Home value $107,500 +29%
Population 25,916 +60%
SEE FULL COMPARISON →
Frequently asked
How many people live in Warren County, Illinois? Warren County, Illinois has about 17,707 residents according to the 2010 American Community Survey.
What is the median household income in Warren County, Illinois? The typical household in Warren County, Illinois earns about $41,636 a year. Half of households make more than that, and half make less.
Is Warren County, Illinois expensive? In Warren County, Illinois, the median home is worth about $83,300, and the typical rent is about $576 a month.
How educated are people in Warren County, Illinois? About 19.9% of adults age 25 and over in Warren County, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Warren County, Illinois? About 13.4% of people in Warren County, Illinois live below the federal poverty line.
Has Warren County, Illinois grown since 1990? Yes, Warren County, Illinois has shrunk since 1990. The population has lost about 1,474 residents, a change of about -8 percent over that period.
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