Hamilton County, IL Population

The population of Hamilton County is 8,021, according to the U.S. Census Bureau ACS estimates.
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Updated Jun 23, 2023
Overview
8,021
Total Population
43.9
Median age
51.59%
Female population %
93.8:100
Gender ratio (M:F)
60-64 years
Largest age group
64.5
Total dependency ratio
White
Largest racial group
138
Hispanic population

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

Age

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

  • The median age in Hamilton County is 43.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
  • Hamilton County's population under 18 was 21.86%, compared to the 22.51% nationwide.
  • Hamilton County's elderly or the senior population (over 65 age) was 21.39% as compared to 16.04% nationwide.
  • Of the total population in Hamilton County, 17.80% were under the age of 15, 16.73% aged 15 to 29, 44.07% aged 30 to 64, 19.01% aged 65 to 84, and 2.38% were 85 years of age and older.
The graph shows Hamilton 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
Hamilton County, IL population by age group. The largest age group was 60-64 years with a poulation of 620 (7.73% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Hamilton County, IL population by age ➔

Gender

There are 255 more females than males in Hamilton County:

  • The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.59% females and 48.41% males in Hamilton County, IL.
  • The Hamilton County, IL gender ratio is 93.8:100 i.e. 93.8 men to 100 women (0.938).
  • For male population, the largest age group is 55-59 years with a population of 325.
  • For the female population, the largest age group is 60-64 years with a population of 335.
The grouped bar chart shows Hamilton 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 # 55-59 years (325) | Female # 60-64 years (335). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Hamilton County, IL population by gender ➔

Race / Ethnicity

Hamilton County's population has become increasingly diverse:

  • Racial distribution of Hamilton County population: 96.17% are White, 0.21% are Black or African American, 0.37% are Native Hawaiian and other Pacific Islander, 1.07% are some other race and 2.17% are multiracial.
  • Hamilton County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
  • By ethnicity, 138 is Hispanic or Latino (of any race), and 7,883 (98.28% of the total population) is Non-Hispanic.
  • The largest racial group in Hamilton County is White with a population of 7,714 (96.17% of the total population).
The bar chart shows Hamilton 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.
Hamilton County, IL population by race. The largest racial group in Hamilton County is White with a population of 7,714 (96.17% of the total population). Source: U.S. Census Bureau American Community Survey (ACS) 2017-2021 5-Year Estimates.

Read more about Hamilton County, IL population by race ➔

Year by year

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

  • The peak population was 8,567 in the year 2000
  • From 2000 to 2010, Hamilton County's population decreased by 121 (1.41%), as compared to the national growth of 9.63%.
  • From 2010 to 2020, Hamilton County's population decreased by 449 (5.32%), 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, Hamilton County's population was lowest in year 2021 at 7,923.
The graph shows Hamilton County's population from 2000 to 2022, with years on x-axis and population on y-axis
Hamilton County's population from 2000 to 2022. The estimated population at the end of 2022 was 7,984. Source: U.S. Census Bureau (Population Estimates Program)

Read more about Hamilton County, IL population by year ➔

References

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Hamilton County, IL Demographics

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

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