Clinton County, Illinois Population 2020

Clinton County, Illinois's estimated population is 37,607 with a growth rate of 0.04% in the past year according to the most recent United States census data. Clinton County, Illinois is the 37th largest county in Illinois.

Year Population Growth Growth Rate
201837,639320.09%
201737,607150.04%
201637,592-68-0.18%
201537,660160.04%
201437,644-83-0.22%
201337,727-185-0.49%
201237,912-111-0.29%
201138,0231830.48%
201037,8403,89611.48%
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%
192022,9471150.50%
191022,8323,00815.17%
190019,8242,41313.86%
189017,411-1,303-6.96%
188018,7142,42914.92%
187016,2855,34448.84%
186010,9415,802112.90%
18505,1391,42138.22%
18403,7181,38859.57%
18302,3300.00%

How Many People Live in Clinton County, Illinois?

37,607

Population by Race

Race Population Percentage
White35,22793.62%
Black or African American1,3113.48%
Two or More Races5471.45%
Asian2200.58%
Some Other Race2190.58%
American Indian and Alaska Native1040.28%

Clinton County, Illinois Population Pyramid 2020

Clinton County, Illinois Median Age

40.2


Total

38.7


Male

42.7


Female

Clinton County, Illinois Adults

There are 29,636 adults, (6,110 of whom are seniors) in Clinton County, Illinois.

Clinton County, Illinois Age Dependency

59.9

Age Dependency Ratio

26

Old Age Dependency Ratio

34

Child Dependency Ratio

Clinton County, Illinois Sex Ratio

Female

18,077

48.04%

Male

19,551

51.96%

Clinton County, Illinois Households and Families

Clinton County, Illinois Renter vs Owner Occupied by Household Type

Clinton County, Illinois Household Types

Type Owner Renter
Married90.3%9.7%
All78.9%21.1%
Non Family69.3%30.7%
Male65.6%34.4%
Female53%47%

78.9%

Rate of Home Ownership

Type Count Average Size Owned
All14,1902.4978.9
Married7,5243.1290.3
Non Family4,7721.2169.3
Female1,2103.2253
Male6843.2665.6

3.07

Average Family Size

2.49

Average Household Size

5.8%

Unmarried (Opposite Sex)

0.4%

Unmarried (Same Sex)

Clinton County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade1,1754.40%
9th to 12th Grade1,5185.69%
High School Graduate8,58932.19%
Some College6,07122.75%
Associates Degree3,33412.50%
Bachelors Degree4,19115.71%
Graduate Degree1,8036.76%

Clinton County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White24,52122,4715,708
Black1,06671984
Hispanic72447385
Multiple Races19117549
Asian16615789
Other Race1631386
Native American10480

The highest rate of high school graduation is among asian people with a rate of 94.58%.

The highest rate of bachelors degrees is among asian people with a rate of 53.61%.

Name Average Male Female
Overall$40,077$47,785$32,476
Less Than High School$24,577$30,594$16,399
High School Grad$32,114$40,426$25,475
Some College$37,808$51,024$27,286
Bachelors Degree$52,921$62,391$43,255
Graduate Degree$64,485$71,442$58,973

$40,077

Average Earnings

$47,785

Average Male

$32,476

Average Female

Clinton County, Illinois Language

Clinton County, Illinois Language by Age

Clinton County, Illinois Language

95.81% of Clinton County, Illinois residents speak only English, while 4.19% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.96% of the population.

Clinton County, Illinois Poverty

Clinton County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White33,4812,7028.07%
Hispanic96626727.64%
Multiple52218735.82%
Other2196027.40%
Black375379.87%
Native1042524.04%

9.03%

Overall Poverty Rate

7.76%

Male Poverty Rate

10.28%

Female Poverty Rate

Poverty in Clinton County, Illinois

The race most likely to be in poverty in Clinton County, Illinois is Multiple, with 35.82% below the poverty level.

The race least likely to be in poverty in Clinton County, Illinois is White, with 8.07% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.68%. Among those working part-time, it was 9.73%, and for those that did not work, the poverty rate was 16.10%.

Name Poverty
Less Than High School18.60%
High School9.38%
Some College7.75%
Bachelors or Greater2.91%
Name Poverty
Female Unemployed24.40%
Male Unemployed17.52%
Female Employed5.68%
Male Employed3.50%

Clinton County, Illinois Income

Clinton County, Illinois Income by Household Type

Name Median Mean
Households$65,010$80,242
Families$79,023$94,067
Married Families$88,653$104,205
Non Families$37,917$50,588

Clinton County, Illinois Marital Status

Clinton County, Illinois Marital Status

Marriage Rates

51.1%

Overall Marriage Rate

49.2%

Male Marriage Rate

53.2%

Female Marriage Rate

Clinton County, Illinois Married by Age and Sex

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 45-54.

Clinton County, Illinois Marital Status by Race

Clinton County, Illinois Veterans

2,916

Number of Veterans

2,589

Male Veterans

327

Female Veterans

War Veterans
Vietnam1,115
First Gulf War645
Second Gulf War573
Korea307
World War II94

Clinton County, Illinois Veterans by Race

Name Veterans % of Total
White2,87110.38%
Black383.16%
Hispanic314.07%
Asian73.59%

Clinton County, Illinois Veterans by Education

3.87%

Veteran Poverty Rate

33.87%

Veteran Disability Rate

Clinton County, Illinois Employment Status

63.2%

Labor Force Participation

61%

Employment Rate

3.4%

Unemployment Rate

Clinton County, Illinois Place of Birth

Origin of Non Citizens

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

Origin of Naturalized Citizens

79.83%

Born in Illinois

98.43%

Native Born

1.57%

Foreign Born

0.97%

Non Citizen

Place of Birth

98.43% of Clinton County, Illinois residents were born in the United States, with 79.83% having been born in Illinois. 0.97% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Clinton County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Centralia 1303412572-462-3.54%
Breese44424511691.55%
New Baden 33493291-58-1.73%
Carlyle32873208-79-2.40%
Trenton27152652-63-2.32%
Aviston195120971467.48%
Germantown1283128630.23%
Albers11901165-25-2.10%
Wamac 11851132-53-4.47%
Beckemeyer10401011-29-2.79%
Bartelso59960340.67%
Damiansville49149871.43%
Hoffman508491-17-3.35%
Keyesport 421399-22-5.23%
Huey169165-4-2.37%
  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