Clinton County, Illinois Population 2023

36,641

Clinton County, Illinois's estimated 2023 population is 36,641 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 37th largest county in Illinois. The 2010 population was 37,762 and has seen a growth of -2.97% since that time.

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
201037,762
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%
202336,641-86-0.23%
showing: 14 rows
2023 Growth Rate
-0.23% (-86)
County Website
Clinton County
Founded
1824
County Seat
Carlyle
2010 Population
37,762
Growth Since 2010
-2.97% (-1,121)

Clinton County, Illinois Population 2023

Population by Race

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Race
Population
Percentage (of total)
White34,09792.03%
Two or more races1,2783.45%
Black or African American1,2463.36%
Asian2370.64%
Other race1780.48%
Native American120.03%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

Clinton County, Illinois Population by Race

Clinton County, Illinois Population Pyramid 2023

Clinton County, Illinois Median Age

41.2

Total

39.6

Male

42.9

Female

Clinton County, Illinois Adults

There are 29,113 adults, (6,283 of whom are seniors) in Clinton County, Illinois.

Clinton County, Illinois Age Dependency

62.3

Age Dependency Ratio

27.5

Old Age Dependency Ratio

34.8

Child Dependency Ratio

Clinton County, Illinois Sex Ratio

Female17,73047.86%
Male19,31852.14%

Clinton County, Illinois Population by Age

Clinton County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All14,2552.4579.720.3
Married7,7013.0491.88.2
Non Family4,7101.1770.329.7
Female1,2913.2649.950.1
Male5533.226238
showing: 5 rows

3

Average Family Size

2.45

Average Household Size

79.7%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Clinton County, Illinois Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Clinton County, Illinois Educational Attainment by Sex (over 25)

Clinton County, Illinois Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 91.67%.

Clinton County, Illinois Educational Attainment by Race

All

Male

Female

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$45,982

Average Earnings

$55,574

Average Male

$37,603

Average Female

Clinton County, Illinois Earnings by Educational Attainment

Clinton County, Illinois Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Clinton County, Illinois Language

95.94% of Clinton County, Illinois residents speak only English, while 4.06% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.68% of the population.

Clinton County, Illinois Language

Clinton County, Illinois Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White32,7312,4037.34%
Multiple1,22314511.86%
Hispanic955495.13%
Other1052725.71%
Native12541.67%
Black27941.43%
Asian23710.42%
showing: 7 rows

7.41%

Overall Poverty Rate

7.81%

Male Poverty Rate

7.02%

Female Poverty Rate

Poverty in Clinton County, Illinois

The race most likely to be in poverty in Clinton County, Illinois is Native, with 41.67% below the poverty level.

The race least likely to be in poverty in Clinton County, Illinois is Asian, with 0.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.25%. Among those working part-time, it was 8.45%, and for those that did not work, the poverty rate was 15.45%.

Clinton County, Illinois Poverty

rate

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Rate
Poverty
Less Than 9th Grade18.32%
High School9.64%
Some College5.5%
Bachelors or Greater2.08%
showing: 4 rows

Clinton County, Illinois Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed23.02%
Male Unemployed18.25%
Female Employed3.66%
Male Employed2.44%
showing: 4 rows

Clinton County, Illinois Poverty Rate by Employment Status and Sex

Clinton County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Clinton County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

53.9%

Overall Marriage Rate

51.9%

Male Marriage Rate

56.1%

Female Marriage Rate

Clinton County, Illinois Married by Age and Sex

male

female

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

Married

Widowed

Divorced

Separated

NeverMarried

Clinton County, Illinois Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,789

Number of Veterans

2,446

Male Veterans

343

Female Veterans

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Clinton County, Illinois Veterans by War

count

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Clinton County, Illinois Veterans by Age

count

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Clinton County, Illinois Veterans by Race

Clinton County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.98%

Veteran Poverty Rate

28.55%

Veteran Disability Rate

Clinton County, Illinois Veterans by Education

LaborForceParticipation

63.1%

Labor Force Participation

60.6%

Employment Rate

3.4%

Unemployment Rate

Clinton County, Illinois Employment by Age

LaborForceParticipation

Clinton County, Illinois Employment by Race

LaborForceParticipation

Clinton County, Illinois Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

84.05%

Born in Clinton County, Illinois

103.9%

Native Born

2.3%

Foreign Born

1.34%

Non Citizen

0.96%

Naturalized

Place of Birth

103.9% of Clinton County, Illinois residents were born in the United States, with 84.05% having been born in Illinois. 1.34% 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

Sources