County in Illinois · 346 sq mi · 29 people per sq mi
10,138 people live in Cumberland County. The typical household earns $73,327, and the median resident is 43.1 years old.
2026 projection
From 10,432 in 2020
Poverty rate 9.09%
Men 43.2 · Women 43
1850–2026
10,138
2026 projection
2.8% 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.
1850–2026
10,138
2026 projection
2.8% 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 | 10,138 | -70 | 0.69% |
|---|---|---|---|
| 2025 | 10,208 | -70 | 0.68% |
| 2024 | 10,278 | +1 | 0.01% |
| 2023 | 10,277 | -19 | 0.18% |
| 2022 | 10,296 | -64 | 0.62% |
| 2021 | 10,360 | -72 | 0.69% |
| 2020 | 10,432 | -301 | 2.80% |
| 2019 | 10,733 | -49 | 0.45% |
| 2018 | 10,782 | -105 | 0.96% |
| 2017 | 10,887 | +3 | 0.03% |
Showing 10 of 32 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 103 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 11 residents
55% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 55% | 55% | 54% |
| Never married | 25% | 29% | 21% |
| Divorced | 12% | 12% | 12% |
| Widowed | 8% | 3% | 13% |
| Separated | <1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
8 sources, all from the U.S. Census Bureau