Clinton County, Illinois Population 2024

36,633

Clinton County, Illinois's estimated 2024 population is 36,633 with a growth rate of -0.41% in the past year according to the most recent United States census data. Clinton County, Illinois is the 36th largest county in Illinois. The 2010 population was 37,833 and has seen a growth of -3.17% since that time.

Note: data after 2022 is projected based on recent change

37 Rows

Year
Population
Growth
Change
202935,873-152-0.42%
202836,025-152-0.42%
202736,177-152-0.42%
202636,329-152-0.42%
202536,481-152-0.41%
202436,633-152-0.41%
202336,785-152-0.41%
202236,937550.15%
202136,882-19-0.05%
202036,901-539-1.44%
201937,440-226-0.6%
201837,666170.05%
201737,649550.15%
201637,594-63-0.17%
201537,657200.05%
201437,637-88-0.23%
201337,725-183-0.48%
201237,908-116-0.31%
201138,0241910.5%
201037,83300%
199033,9441,3274.07%
198032,6174,30215.19%
197028,3154,28617.84%
196024,0291,4356.35%
195022,594-318-1.39%
194022,9121,5437.22%
193021,369-1,578-6.88%
192022,9471150.5%
191022,8323,00815.17%
190019,8242,41313.86%
189017,411-1,303-6.96%
188018,7142,42914.92%
187016,2855,34448.84%
186010,9415,802112.9%
18505,1391,42138.22%
18403,7181,38859.57%
18302,330-33,543-93.5%
2024 Growth Rate
-0.41% (-152)
County Website
Clinton County
County Seat
Carlyle
2020 Population
36,901
Area
474 mi²
Density
77 people/mi²
Growth Since 2020
-0.73% (-268)
Founded
1824

Population by Race

Race
Population
Percentage (of total)
White34,00091.9%
Two or more races1,3483.64%
Black or African American1,1012.98%
Other race3090.84%
Asian2250.61%
Native American150.04%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Clinton County, Illinois Population by Race

Clinton County, Illinois Population Pyramid 2024

Clinton County, Illinois Median Age

41

Total

39.3

Male

43.2

Female

Clinton County, Illinois Adults

There are 29,104 adults, (6,531 of whom are seniors) in Clinton County, Illinois.

Clinton County, Illinois Age Dependency

63.9

Age Dependency Ratio

28.9

Old Age Dependency Ratio

35

Child Dependency Ratio

Clinton County, Illinois Sex Ratio

Female17,68047.79%
Male19,31852.21%

Clinton County, Illinois Population by Age

Clinton County, Illinois Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All14,4932.4279.620.4
Married7,9113.0191.78.3
Non Family4,7611.1669.230.8
Female1,1663.1853.346.7
Male6553.1154.745.3

2.96

Average Family Size

2.42

Average Household Size

79.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Clinton County, Illinois Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,3084.97%
Associates Degree4,22116.04%
Bachelors Degree4,35216.54%
Graduate Degree1,8607.07%
High School Graduate8,69033.02%
Less Than 9th Grade7973.03%
Some College5,08819.33%

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

Race
Total
High School
Bachelors
White24,20322,7565,887
Black91848651
Hispanic726542127
2+ Races624543125
Other Race19812810
Asian17315073
Native American15156

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 asian people with a rate of 42.2%.

Clinton County, Illinois Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$67,650$76,679$58,586
Graduate Degree$82,250$97,786$73,819
High School Graduate$39,097$46,754$28,476
Less Than 9th Grade$26,935$28,636$19,702
Overall$51,285$59,454$42,125
Some College$48,890$62,614$35,014

$51,285

Average Earnings

$59,454

Average Male

$42,125

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

95.98% of Clinton County, Illinois residents speak only English, while 4.02% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.37% of the population.

Clinton County, Illinois Language

Clinton County, Illinois Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White32,8122,3697.22%
Multiple1,2961098.41%
Hispanic1,047363.44%
Other2322410.34%
Black239229.21%
Native15426.67%
Asian22510.44%

7.21%

Overall Poverty Rate

7.66%

Male Poverty Rate

6.76%

Female Poverty Rate

Poverty in Clinton County, Illinois

The race most likely to be in poverty in Clinton County, Illinois is Native, with 26.67% below the poverty level.

The race least likely to be in poverty in Clinton County, Illinois is Asian, with 0.44% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.6%. Among those working part-time, it was 8.91%, and for those that did not work, the poverty rate was 13.79%.

Clinton County, Illinois Poverty

rate

Rate
Poverty
Less Than 9th Grade18.11%
High School8.25%
Some College5.51%
Bachelors or Greater2.32%

Clinton County, Illinois Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed21.01%
Female Unemployed20.09%
Female Employed3.26%
Male Employed3.13%

Clinton County, Illinois Poverty Rate by Employment Status and Sex

Clinton County, Illinois Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$96,875$116,096
Households$78,054$99,933
Married Families$104,633$126,969
Non Families$42,583$63,453

mean

median

Income by Household Type

Clinton County, Illinois Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.0%

Overall Marriage Rate

53.0%

Male Marriage Rate

57.1%

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 55-64, 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

2,741

Number of Veterans

2,395

Male Veterans

346

Female Veterans

War
Veterans
Vietnam954
First Gulf War875
Second Gulf War765
Korea148
World War II43

Clinton County, Illinois Veterans by War

count

Age Group
Veterans
55 to 64676
75+661
65 to 74642
35 to 54556
18 to 34206

Clinton County, Illinois Veterans by Age

count

Name
Veterans
% of Total
White2,5200.09413522599925289
Black1290.12274024738344434
2+ Races720.09242618741976893
Hispanic420.05269761606022585
Native American80.5333333333333333
Asian70.03763440860215054
Other Race50.024630541871921183

Clinton County, Illinois Veterans by Race

Clinton County, Illinois Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.67%

Veteran Poverty Rate

31%

Veteran Disability Rate

Clinton County, Illinois Veterans by Education

LaborForceParticipation

62.9%

Labor Force Participation

60.6%

Employment Rate

3%

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

79.1%

Born in Clinton County, Illinois

97.75%

Native Born

2.25%

Foreign Born

1.36%

Non Citizen

0.89%

Naturalized

Place of Birth

97.75% of Clinton County, Illinois residents were born in the United States, with 79.1% having been born in Illinois. 1.36% 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