Clinton County, Illinois Population 2022

Clinton County, Illinois's estimated population is 36,727 with a growth rate of -0.23% in the past year according to the most recent United States census data. Clinton County, Illinois is the 38th largest county in Illinois. The 2010 Population was 37,762 and has seen a growth of -2.74% since this time.

Note: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
18302,3300.00%
18403,7181,38859.57%
18505,1391,42138.22%
186010,9415,802112.90%
187016,2855,34448.84%
188018,7142,42914.92%
189017,411-1,303-6.96%
190019,8242,41313.86%
191022,8323,00815.17%
192022,9471150.50%
193021,369-1,578-6.88%
194022,9121,5437.22%
195022,594-318-1.39%
196024,0291,4356.35%
197028,3154,28617.84%
198032,6174,30215.19%
199033,9441,3274.07%
201037,7623,81811.25%
201137,676-86-0.23%
201237,590-86-0.23%
201337,504-86-0.23%
201437,418-86-0.23%
201537,332-86-0.23%
201637,246-86-0.23%
201737,160-86-0.23%
201837,074-86-0.23%
201936,988-86-0.23%
202036,899-89-0.24%
202136,813-86-0.23%
202236,727-86-0.23%
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Clinton County, Illinois Population Growth

Population by Race

Race Population Percentage
White35,01793.26%
Black or African American1,2153.24%
American Indian and Alaska Native650.17%
Asian2150.57%
Some Other Race2220.59%
Two or More Races8152.17%
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Clinton County, Illinois Population by Race

Clinton County, Illinois Population Pyramid 2022

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Clinton County, Illinois Median Age

40.6


Total

39


Male

43


Female

Clinton County, Illinois Adults

There are 29,609 adults, (6,404 of whom are seniors) in Clinton County, Illinois.

Clinton County, Illinois Age Dependency

Age Dependency Ratio

27.6

Old Age Dependency Ratio

34.2

Child Dependency Ratio

Clinton County, Illinois Sex Ratio

Female

18,023

48.00%

Male

19,526

52.00%

Clinton County, Illinois Population by Age

Clinton County, Illinois Renter vs Owner Occupied by Household Type

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Clinton County, Illinois Household Types

Type Owner Renter
Married91.7%8.3%
All79.6%20.4%
Non Family70.2%29.8%
Male64%36%
Female50.6%49.4%

79.6%

Rate of Home Ownership

Clinton County, Illinois Households and Families

Type Count Average Size Owned
All14,5962.4279.6
Married7,7013.0291.7
Male7033.0364
Female1,2403.2250.6
Non Family4,9521.270.2

2.98

Average Family Size

2.42

Average Household Size

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Clinton County, Illinois Households by Type

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Education Attained Count Percentage
Less Than 9th Grade1,0814.04%
9th to 12th Grade1,5515.79%
High School Graduate8,63332.25%
Some College5,69821.29%
Associates Degree3,99814.93%
Bachelors Degree4,05415.14%
Graduate Degree1,7556.56%
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Clinton County, Illinois Educational Attainment by Sex (over 25)

Clinton County, Illinois Educational Attainment by Race

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Race Total High School Bachelors
2+ Races28423999
Asian16213455
Other Race13612239
Native American655417
White24,56422,7145,462
Hispanic724443123
Black1,04459664

The highest rate of high school graduation is among white people with a rate of 92.47%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 34.86%.

Clinton County, Illinois Educational Attainment by Race

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Name Average Male Female
Overall$42,184$50,783$35,434
Less Than 9th Grade$23,738$25,368$16,810
High School Graduate$32,294$39,403$24,821
Some College$40,999$54,634$30,994
Bachelors Degree$57,008$61,410$52,473
Graduate Degree$84,115$97,917$80,500

$42,184

Average Earnings

$50,783

Average Male

$35,434

Average Female

Clinton County, Illinois Earnings by Educational Attainment

Clinton County, Illinois Language by Age

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Clinton County, Illinois Language

96.28% of Clinton County, Illinois residents speak only English, while 3.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.29% of the population.

Clinton County, Illinois Language

Clinton County, Illinois Poverty by Race

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Name Total In Poverty Poverty Rate
Hispanic1,02122822.33%
White33,2342,4197.28%
Black24941.61%
Asian20510.49%
Other27NaN%
Multiple78613617.30%

7.82%

Overall Poverty Rate

8.29%

Male Poverty Rate

7.36%

Female Poverty Rate

Poverty in Clinton County, Illinois

The race most likely to be in poverty in Clinton County, Illinois is Hispanic, with 22.33% below the poverty level.

The race least likely to be in poverty in Clinton County, Illinois is Multiple, with 17.30% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.83%. Among those working part-time, it was 9.27%, and for those that did not work, the poverty rate was 15.89%.

Clinton County, Illinois Poverty

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Name Poverty
Less Than 9th Grade20.47%
High School10.96%
Some College5.16%
Bachelors or Greater2.29%

Clinton County, Illinois Poverty Rate by Education

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Rate Poverty
Male Employed3.24%
Male Unemployed20.61%
Female Employed3.72%
Female Unemployed20.78%

Clinton County, Illinois Poverty Rate by Employment Status and Sex

Clinton County, Illinois Income by Household Type

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Name Median Mean
Households$67,179$83,502
Families$82,244$95,578
Married Families$88,016$104,616
Non Families$38,961$57,660
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Income by Household Type

Clinton County, Illinois Marital Status

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Marriage Rates

52.6%

Overall Marriage Rate

50.1%

Male Marriage Rate

55.4%

Female Marriage Rate

Clinton County, Illinois Married by Age and Sex

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Clinton 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.

Clinton County, Illinois Marital Status by Race

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Clinton County, Illinois Marital Status

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3,033

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War689
First Gulf War825
Vietnam1,057
Korea261
World War II65

Clinton County, Illinois Veterans by War

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Age Group Veterans
18 to 34205
35 to 54673
55 to 64680
65 to 74761
75+714

Clinton County, Illinois Veterans by Age

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Name Veterans % of Total
White2,87710.44%
Black786.59%
Native American1827.69%
Asian31.61%
Other Race21.40%
2+ Races5512.82%
Hispanic283.58%

Clinton County, Illinois Veterans by Race

Clinton County, Illinois Veterans by Education

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5.69%

Veteran Poverty Rate

31.19%

Veteran Disability Rate

Clinton County, Illinois Veterans by Education

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62.1%

Labor Force Participation

60.1%

Employment Rate

3.1%

Unemployment Rate

Clinton County, Illinois Employment by Age

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Clinton County, Illinois Employment by Race

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Clinton 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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79.31%

Born in Clinton County, Illinois

98.47%

Native Born

1.53%

Foreign Born

0.98%

Non Citizen

0.55%

Naturalized

Place of Birth

98.47% of Clinton County, Illinois residents were born in the United States, with 79.31% having been born in Illinois. 0.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Clinton 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