City in Peoria County, Illinois · 5.3 sq mi · 1,140 people per sq mi
About 6,000 people live in Chillicothe. The typical household earns $66,132, and the median resident is 51.2 years old.
2026 projection
From 6,109 in 2020
Poverty rate 3.7%
Men 42.4 · Women 53.9
1860–2026
6,010
2026 projection
1.6% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1860–2026
6,010
2026 projection
1.6% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 6,010 | -23 | 0.38% |
|---|---|---|---|
| 2025 | 6,033 | +15 | 0.25% |
| 2024 | 6,018 | +18 | 0.30% |
| 2023 | 6,000 | +3 | 0.05% |
| 2022 | 5,997 | -56 | 0.93% |
| 2021 | 6,053 | -56 | 0.92% |
| 2020 | 6,109 | +93 | 1.55% |
| 2019 | 6,016 | -62 | 1.02% |
| 2018 | 6,078 | -57 | 0.93% |
| 2017 | 6,135 | -75 | 1.21% |
Showing 10 of 31 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 59 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 27 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 50% | 46% |
| Never married | 24% | 33% | 16% |
| Divorced | 18% | 11% | 25% |
| Widowed | 9% | 6% | 12% |
| Separated | <1% | 0% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau