Warren County, Illinois Population 2021

Warren County, Illinois's estimated population is 16,548 with a growth rate of -0.89% in the past year according to the most recent United States census data. Warren County, Illinois is the 63rd largest county in Illinois. The 2010 Population was 17,713 and has seen a growth of -6.58% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Growth Rate
202116,548-148-0.89%
202016,696-148-0.88%
201916,844-148-0.87%
201816,992-152-0.89%
201717,144-150-0.87%
201617,294-161-0.92%
201517,455-257-1.45%
201417,712500.28%
201317,662-87-0.49%
201217,749-87-0.49%
201117,8361230.69%
201017,713-1,468-7.65%
199019,181-2,762-12.59%
198021,9433481.61%
197021,59580.04%
196021,587-394-1.79%
195021,9816953.27%
194021,286-459-2.11%
193021,7452571.20%
192021,488-1,825-7.83%
191023,3131500.65%
190023,1631,8828.84%
189021,281-1,652-7.20%
188022,933-241-1.04%
187023,1744,83826.39%
186018,33610,160124.27%
18508,1761,43721.32%
18406,7396,4312087.99%
18303080.00%
2021 Growth Rate
-0.89%
County Website
Founded
1825
County Seat
2010 Population
17,713
Growth Since 2010
-6.58%
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Warren County, Illinois Population Growth

Population by Race

Race Population Percentage
White15,10788.11%
Some Other Race8745.10%
Black or African American5012.92%
Asian4292.50%
Two or More Races1971.15%
American Indian and Alaska Native380.22%
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Warren County, Illinois Population by Race

Warren County, Illinois Population Pyramid $2021

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Warren County, Illinois Median Age

39.8


Total

39.1


Male

40.9


Female

Warren County, Illinois Adults

There are 13,390 adults, (3,186 of whom are seniors) in Warren County, Illinois.

Warren County, Illinois Age Dependency

68

Age Dependency Ratio

31.2

Old Age Dependency Ratio

36.8

Child Dependency Ratio

Warren County, Illinois Sex Ratio

Female

8,977

52.36%

Male

8,169

47.64%

Warren County, Illinois Population by Age

Warren County, Illinois Renter vs Owner Occupied by Household Type

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Warren County, Illinois Household Types

Type Owner Renter
Married85.3%14.7%
All74.3%25.7%
Male72.6%27.4%
Non Family64.2%35.8%
Female61%39%

74.3%

Rate of Home Ownership

Warren County, Illinois Households and Families

Type Count Average Size Owned
All6,8622.3374.3
Married3,2702.9385.3
Non Family2,3041.1364.2
Female8973.0861
Male3912.6472.6

2.87

Average Family Size

2.33

Average Household Size

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Warren County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5154.60%
9th to 12th Grade9818.75%
High School Graduate3,58231.96%
Some College2,57923.01%
Associates Degree9948.87%
Bachelors Degree1,75115.62%
Graduate Degree8057.18%
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Warren County, Illinois Educational Attainment by Sex (over 25)

Warren County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
White9,7818,8722,291
Hispanic789375111
Other Race45321326
Asian288167107
Black21017037
2+ Races483610
Native American1212

The highest rate of high school graduation is among native american people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 37.15%.

Warren County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$36,146$43,556$28,807
Less Than 9th Grade$30,063$27,244$31,071
High School Graduate$32,188$42,176$20,313
Some College$31,044$42,255$25,445
Bachelors Degree$46,776$51,750$42,188
Graduate Degree$47,016$53,542$45,000

$36,146

Average Earnings

$43,556

Average Male

$28,807

Average Female

Warren County, Illinois Earnings by Educational Attainment

Warren County, Illinois Language by Age

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Warren County, Illinois Language

89.96% of Warren County, Illinois residents speak only English, while 10.04% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.03% of the population.

Warren County, Illinois Language

Warren County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
White13,5001,71612.71%
Hispanic1,50624616.33%
Other85615618.22%
Multiple1944724.23%
Black3224012.42%
Asian383174.44%

12.90%

Overall Poverty Rate

10.59%

Male Poverty Rate

15.00%

Female Poverty Rate

Poverty in Warren County, Illinois

The race most likely to be in poverty in Warren County, Illinois is Multiple, with 24.23% below the poverty level.

The race least likely to be in poverty in Warren County, Illinois is Asian, with 4.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.61%. Among those working part-time, it was 18.33%, and for those that did not work, the poverty rate was 18.24%.

Warren County, Illinois Poverty

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Name Poverty
Less Than 9th Grade15.53%
High School13.35%
Some College12.00%
Bachelors or Greater2.16%

Warren County, Illinois Poverty Rate by Education

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Rate Poverty
Female Unemployed53.72%
Male Unemployed49.09%
Female Employed8.51%
Male Employed3.85%

Warren County, Illinois Poverty Rate by Employment Status and Sex

Warren County, Illinois Income by Household Type

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Name Median Mean
Households$50,310$63,814
Families$61,667$73,298
Married Families$72,137-
Non Families$32,577$40,494
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Income by Household Type

Warren County, Illinois Marital Status

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Marriage Rates

49.6%

Overall Marriage Rate

52.5%

Male Marriage Rate

46.9%

Female Marriage Rate

Warren County, Illinois Married by Age and Sex

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Warren County, Illinois Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 35-44.

Warren County, Illinois Marital Status by Race

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Warren County, Illinois Marital Status

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966

Number of Veterans

928

Male Veterans

38

Female Veterans

War Veterans
Vietnam401
First Gulf War150
Korea120
Second Gulf War112
World War II21

Warren County, Illinois Veterans by War

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Age Group Veterans
65 to 74306
75+258
35 to 54193
55 to 64156
18 to 3453

Warren County, Illinois Veterans by Age

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Name Veterans % of Total
White9517.86%
Hispanic272.68%
2+ Races916.67%
Black61.57%

Warren County, Illinois Veterans by Race

Warren County, Illinois Veterans by Education

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4.06%

Veteran Poverty Rate

32.47%

Veteran Disability Rate

Warren County, Illinois Veterans by Education

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62.2%

Labor Force Participation

57.4%

Employment Rate

7.7%

Unemployment Rate

Warren County, Illinois Employment by Age

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Warren County, Illinois Employment by Race

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Warren County, Illinois Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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73.52%

Born in Warren County, Illinois

94.11%

Native Born

5.89%

Foreign Born

3.88%

Non Citizen

2.01%

Naturalized

Place of Birth

94.11% of Warren County, Illinois residents were born in the United States, with 73.52% having been born in Illinois. 3.88% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Warren County, Illinois Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources