County in Illinois · 445 sq mi · 35 people per sq mi
15,370 people live in Carroll County. The typical household earns $60,758, and the median resident is 45.4 years old.
2026 projection
From 15,686 in 2020
Poverty rate 14.2%
Men 43.6 · Women 49
1840–2026
15,370
2026 projection
2% 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.
1840–2026
15,370
2026 projection
2% 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 | 15,370 | -49 | 0.32% |
|---|---|---|---|
| 2025 | 15,419 | -49 | 0.32% |
| 2024 | 15,468 | -72 | 0.46% |
| 2023 | 15,540 | -23 | 0.15% |
| 2022 | 15,563 | -160 | 1.02% |
| 2021 | 15,723 | +37 | 0.24% |
| 2020 | 15,686 | +1,348 | 9.40% |
| 2019 | 14,338 | +1 | 0.01% |
| 2018 | 14,337 | -136 | 0.94% |
| 2017 | 14,473 | -128 | 0.88% |
Showing 10 of 33 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 156 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 7 residents
48% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 48% | 43% | 55% |
| Never married | 30% | 38% | 20% |
| Divorced | 14% | 13% | 15% |
| Widowed | 6% | 4% | 10% |
| Separated | 1% | 2% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau