Clinton County, IL Population

The population of Clinton County is 37,048, according to the U.S. Census Bureau ACS estimates.
Neilsberg Research Avatar
Updated Jun 23, 2023
Overview
37,048
Total Population
41.2
Median age
47.86%
Female population %
109:100
Gender ratio (M:F)
55-59 years
Largest age group
53.0
Total dependency ratio
White
Largest racial group
1,191
Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

Age

Clinton County's population is old compared to the rest of the country:

  • The median age in Clinton County is 41.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • Clinton County's population under 18 was 21.42%, compared to the 22.51% nationwide.
  • Clinton County's elderly or the senior population (over 65 age) was 16.96% as compared to 16.04% nationwide.
  • Of the total population in Clinton County, 17.70% were under the age of 15, 17.11% aged 15 to 29, 48.23% aged 30 to 64, 14.85% aged 65 to 84, and 2.11% were 85 years of age and older.
The graph shows Clinton County's population by age group, with age group on x-axis and the respective age group's percent of the total population on y-axis
Clinton County, IL population by age group. The largest age group was 55-59 years with a poulation of 2,962 (8.00% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Clinton County, IL population by age ➔

Gender

There are 1,588 less females than males in Clinton County:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.86% females and 52.14% males in Clinton County, IL.
  • The Clinton County, IL gender ratio is 109:100 i.e. 109 men to 100 women (1.090).
  • For male population, the largest age group is 35-39 years with a population of 1,710.
  • For the female population, the largest age group is 55-59 years with a population of 1,406.
The grouped bar chart shows Clinton County, IL population by age and gender across 18 age groups, defined between the age of 0 and 85 and above. The female population is shown in pink color bar and male population is shown in blue color bar. Age group is plotted on x axis and population on y axis.
California population by gender and age. Largest age group (population): Male # 35-39 years (1,710) | Female # 55-59 years (1,406). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Clinton County, IL population by gender ➔

Race / Ethnicity

Clinton County's population has become increasingly diverse:

  • Racial distribution of Clinton County population: 92.03% are White, 3.36% are Black or African American, 0.03% are American Indian and Alaska Native, 0.64% are Asian, 0.48% are some other race and 3.45% are multiracial.
  • Clinton County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
  • By ethnicity, 1,191 is Hispanic or Latino (of any race), and 35,857 (96.79% of the total population) is Non-Hispanic.
  • The largest racial group in Clinton County is White with a population of 34,097 (92.03% of the total population).
The bar chart shows Clinton County, IL population by race, in percentage. The numbers shown are based on the American Community Survey respondents self identified race. The Hispanic and Latino population is spread across the races identified and not as a separate race category.
Clinton County, IL population by race. The largest racial group in Clinton County is White with a population of 34,097 (92.03% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Clinton County, IL population by race ➔

Year by year

Clinton County's population has already reached its peak and is showing a trend of decline:

  • The peak population was 38,024 in the year 2011
  • From 2000 to 2010, Clinton County's population increased by 2,283 (6.42%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, Clinton County's population decreased by 920 (2.43%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
  • Between the year 2000 and 2022, Clinton County's population was lowest in year 2000 at 35,550.
The graph shows Clinton County's population from 2000 to 2022, with years on x-axis and population on y-axis
Clinton County's population from 2000 to 2022. The estimated population at the end of 2022 was 36,909. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Clinton County, IL population by year ➔

References

Explore related topics

Clinton County, IL Demographics

About the author

Neilsberg Research Avatar
Neilsberg Research
Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

Share

This article is for informational purposes only and is not intended to be legal or tax advice. We recommend that you consult with a qualified professional such as a lawyer or accountant before making a decision. Many of the products and services featured here are from our affiliate partners. We may receive commissions on purchases made from our chosen links. Read advertiser disclosure.