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COUNTY · 2020 ACS

Warren County

Illinois · 16,835 residents · 542.384 sq mi
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The short version

Warren County has lower-than-average household income, with a median household income of $54,291. Population has declined 10% since 2000. Median home value is $86,900.

At a glance
Lower income
below the US median
US median: $66,278
Older
median age 40.9
US median: 38.8
Less educated
23% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01

Population & growth

Total population
16,835
−10%since 2000
from 18,735 in 2000
1990 – 2025
Population density
31 / sq mi
−10%since 2000
from 35 / sq mi in 2000
US average: 280
Median age
40.9
+8%since 2000
from 37.8 in 2000
US average: 38.8
Population, 1990 – 2024
16K17K18K19K19K1990201020202024Warren County
202416K
1990201020202024
Section 02

Income & economy

Median household income
$54,291
Unchangedinflation adjusted, since 2000
from $36,224 in 2000
US average: $66,278
1990 – 2024
Per capita income
$27,899
+65%since 2000
from $16,946 in 2000
US average: $35,364
Households earning $100K+
34.6%
+15.5 ptssince 2009
from 19.1% in 2009
US average: 43.9%
Poverty rate
11.5%
+2.3 ptssince 2000
from 9.2% in 2000
US average: 12.8%
Workforce by industry, 2020
Retail trade14.2%
US avg: 10%
Information9.4%
US avg: 11.1%
Finance & insurance8.1%
US avg: 5.5%
Professional, scientific, technical7.9%
US avg: 4.7%
Agriculture, forestry, fishing5.8%
US avg: 1.7%
Construction5.6%
US avg: 1.2%
Other services3.6%
US avg: 6.6%
Wholesale trade3.1%
US avg: 6.7%
Transportation & warehousing3%
US avg: 2.5%
Public administration1.7%
US avg: 4.7%
Arts, entertainment, food1.1%
US avg: 2%
Education & health services0.2%
US avg: 0.8%
Manufacturing0.1%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$86,900
−4%inflation adjusted, since 2000
from $60,000 in 2000
US average: $265,253
1990 – 2024
Median gross rent
$608
+8%inflation adjusted, since 2000
from $376 in 2000
US average: $1,124
Owner-occupied
74.4%
−0.1 ptssince 2000
from 74.6% in 2000
25.6% rent
Afford Score
1.6
−3%since 2000
from 1.7 in 2000
1990 – 2024
RELATED:See current rent listings in Warren County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.3%(17,672)
Black1.6%(296)
Hispanic / Latino2.7%(507)
Asian0.3%(61)
Other0%
Diversity Score11.3%(2,109)
Segregation Score0%
2020
White, non-Hispanic80.2%(13,494)
Black3.4%(577)
Hispanic / Latino10.6%(1,789)
Asian2%(329)
Other2%(332)
Diversity Score39.9%(6,716)
Segregation Score41.8%(7,040)
Diversity Score
40
+254%since 2000
from 11 in 2000
1990 – 2024
Segregation Score
42
Section 05

Education

Bachelor's degree or higher
22.7%
+6.8 ptssince 2000
from 15.8% in 2000
US average: 32.9%
High school or higher
88.0%
+5.8 ptssince 2000
from 82.3% in 2000
US average: 88.5%
Graduate degree
6.8%
+2.1 ptssince 2000
from 4.7% in 2000
US average: 12.7%
Section 06

Commute & transportation

Average commute
19.7 min
+44%since 2000
from 13.7 min in 2000
US average: 26.9
Drive alone to work
80.0%
+3.6 ptssince 2009
from 76.4% in 2009
US average: 75.1%
No vehicle available
5.7%
+0.1 ptssince 2009
from 5.6% in 2009
US average: 8.4%
Section 07

Work & employment

Unemployment rate
8.5%
+0.7 ptssince 2011
from 7.8% in 2011
US average: 5.4%
Labor force participation
63.4%
+1.0 ptssince 2011
from 62.4% in 2011
US average: 63.4%
Management & professional
30.5%
−30.4 ptssince 2009
from 60.9% in 2009
US average: 39.3%
Section 08

People & community

Male
48.5%
+0.1 ptssince 2009
from 48.4% in 2009
Female
51.5%
−0.1 ptssince 2009
from 51.6% in 2009
Foreign born
5.2%
+2.7 ptssince 2009
from 2.6% in 2009
US average: 13.5%
Uninsured
5.6%
−82.3 ptssince 2013
from 87.9% in 2013
US average: 8.8%
Drill deeper

Places similar to Warren County

Mariposa County
Pop 16,918
Hancock County
Pop 16,803
Bond County
Pop 16,959
Dade County
Pop 16,154
Places similar to Warren County
Head to head

Compare Warren County to nearby counties

WARREN COUNTY VS
Henderson County
Income$62,227+15%
Home value$104,400+20%
Population5,984−63%
SEE FULL COMPARISON →
WARREN COUNTY VS
Knox County
Income$57,030+5%
Home value$111,900+29%
Population47,767+194%
SEE FULL COMPARISON →
WARREN COUNTY VS
Mercer County
Income$74,182+37%
Home value$146,700+69%
Population15,229−6%
SEE FULL COMPARISON →
WARREN COUNTY VS
McDonough County
Income$52,795−3%
Home value$107,500+24%
Population25,916+60%
SEE FULL COMPARISON →
Frequently asked

How many people live in Warren County, Illinois?

Warren County, Illinois has about 16,835 residents according to the 2020 American Community Survey.

What is the median household income in Warren County, Illinois?

The typical household in Warren County, Illinois earns about $54,291 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 $86,900, and the typical rent is about $608 a month.

How educated are people in Warren County, Illinois?

About 22.7% 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 11.5% 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 2,346 residents, a change of about -12 percent over that period.

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Explore from here

5 census tracts
Census Tract 8705Census Tract 8704Census Tract 8703Census Tract 8701Census Tract 8702
8 ZIP codes
ZIP 61462ZIP 61473ZIP 61447ZIP 61453ZIP 61423ZIP 61478ZIP 61435ZIP 61417
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →