State
County
Land Area (mi²)
18.0 sq mi
Density (mi²)
445.10/sq mi
2020 Growth Rate
-1.00%
Growth Since 2010
-3.89%
World Population Review
Chillicothe, Illinois Population 2021
8,031
Chillicothe is a city located in Peoria County Illinois. Chillicothe has a 2020 population of 8,031. Chillicothe is currently declining at a rate of -1.00% annually and its population has decreased by -3.89% since the most recent census, which recorded a population of 8,356 in 2010. Chillicothe reached it's highest population of 8,504 in 2015.
The average household income in Chillicothe is $68,554 with a poverty rate of 13.88%. The median rental costs in recent years comes to $747 per month, and the median house value is $128,000. The median age in Chillicothe is 41.5 years, 41.7 years for males, and 41 years for females.
Chillicothe Demographics
According to the most recent ACS, the racial composition of Chillicothe was:
- White: 93.27%
- Two or more races: 4.03%
- Asian: 1.44%
- Other race: 0.67%
- Black or African American: 0.59%
- Native American: 0.00%
- Native Hawaiian or Pacific Islander: 0.00%
The current population of Chillicothe, Illinois is 8,031 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 8,274.The last official US Census in 2010 recorded the population at 8,356.
Chillicothe, Illinois Population 2021
| Race | Population | Percentage |
|---|---|---|
| White | 7,792 | 93.27% |
| Two or More Races | 337 | 4.03% |
| Asian | 120 | 1.44% |
| Some Other Race | 56 | 0.67% |
| Black or African American | 49 | 0.59% |
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Chillicothe Population by Race
Chillicothe Population Pyramid $2021
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Chillicothe Population by Age
Chillicothe Households and Families
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 3,355 | 2.45 | 75.7 |
| Married | 1,697 | 2.94 | 84.7 |
| Non Family | 1,212 | 1.22 | 68.4 |
| Female | 358 | 3.95 | 54.2 |
| Male | 88 | 3.72 | 89.8 |
3.1
Average Family Size
2.45
Average Household Size
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Chillicothe Households by Type
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| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 117 | 2.01% |
| 9th to 12th Grade | 360 | 6.17% |
| High School Graduate | 2,196 | 37.65% |
| Some College | 1,260 | 21.60% |
| Associates Degree | 731 | 12.53% |
| Bachelors Degree | 746 | 12.79% |
| Graduate Degree | 422 | 7.24% |
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Chillicothe Educational Attainment by Sex (over 25)
Chillicothe Educational Attainment by Race
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| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 5,557 | 5,151 | 1,168 |
| Hispanic | 173 | 134 | |
| Black | 49 | 39 | |
| Asian | 40 | 18 | |
| Other Race | 40 | 24 | |
| 2+ Races | 13 | 13 |
The highest rate of high school graduation is among 2+ races people with a rate of 100.00%.
The highest rate of bachelors degrees is among white people with a rate of 21.02%.
Chillicothe Educational Attainment by Race
Chillicothe Earnings by Educational Attainment
Chillicothe Language by Age
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Chillicothe Language
97.46% of Chillicothe residents speak only English, while 2.54% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.50% of the population.
Chillicothe Language
Chillicothe Poverty by Race
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| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 7,376 | 682 | 9.25% |
| Multiple | 337 | 324 | 96.14% |
| Asian | 120 | 102 | 85.00% |
| Hispanic | 372 | 36 | 9.68% |
| Other | 56 | 16 | 28.57% |
13.88%
Overall Poverty Rate
11.69%
Male Poverty Rate
15.88%
Female Poverty Rate
Poverty in Chillicothe
The race most likely to be in poverty in Chillicothe is Multiple, with 96.14% below the poverty level.
The race least likely to be in poverty in Chillicothe is White, with 9.25% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.94%. Among those working part-time, it was 16.87%, and for those that did not work, the poverty rate was 15.30%.
Chillicothe Poverty
Chillicothe Poverty Rate by Education
Chillicothe Marital Status
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Marriage Rates
54.0%
Overall Marriage Rate
56.6%
Male Marriage Rate
51.6%
Female Marriage Rate
Chillicothe Married by Age and Sex
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Chillicothe 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 55-64.
Chillicothe Marital Status by Race
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Chillicothe Marital Status
Chillicothe Veterans by War
Chillicothe Veterans by Age
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| Name | Veterans | % of Total |
|---|---|---|
| White | 496 | 8.21% |
| Hispanic | 32 | 18.50% |
Chillicothe Veterans by Race
Chillicothe Veterans by Education
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0.00%
Veteran Poverty Rate
14.05%
Veteran Disability Rate
Chillicothe Veterans by Education
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62.2%
Labor Force Participation
59.4%
Employment Rate
4.5%
Unemployment Rate
Chillicothe Employment by Age
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Chillicothe Employment by Race
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Chillicothe Employment by Education
Origin of Non-Citizens
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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Origin of Naturalized Citizens
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98.93%
Native Born
1.07%
Foreign Born
0.14%
Non Citizen
0.92%
Naturalized
Place of Birth
98.93% of Chillicothe residents were born in the United States, with 75.98% having been born in Illinois. 0.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Chillicothe Place of Birth
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 8,031 | -81 | -1.00% |
| 2020 | 8,112 | -81 | -0.99% |
| 2019 | 8,193 | -81 | -0.98% |
| 2018 | 8,274 | -83 | -0.99% |
| 2017 | 8,357 | -106 | -1.25% |
| 2016 | 8,463 | -41 | -0.48% |
| 2015 | 8,504 | 79 | 0.94% |
| 2014 | 8,425 | -49 | -0.58% |
| 2013 | 8,474 | 69 | 0.82% |
| 2012 | 8,405 | 16 | 0.19% |
| 2011 | 8,389 | 33 | 0.39% |
| 2010 | 8,356 | 0.00% |