City in Effingham County, Illinois · 10.9 sq mi · 1,141 people per sq mi
About 12,000 people live in Effingham. The typical household earns $72,377, and the median resident is 39.6 years old.
2026 projection
From 12,330 in 2020
Poverty rate 14.56%
Men 37.3 · Women 42.1
1870–2026
12,427
2026 projection
0.8% since 2020 (increase)
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.
1870–2026
12,427
2026 projection
0.8% since 2020 (increase)
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 | 12,427 | +21 | 0.17% |
|---|---|---|---|
| 2025 | 12,406 | -8 | 0.06% |
| 2024 | 12,414 | +83 | 0.67% |
| 2023 | 12,331 | +91 | 0.74% |
| 2022 | 12,240 | -56 | 0.46% |
| 2021 | 12,296 | -34 | 0.28% |
| 2020 | 12,330 | -222 | 1.77% |
| 2019 | 12,552 | -79 | 0.63% |
| 2018 | 12,631 | +39 | 0.31% |
| 2017 | 12,592 | +13 | 0.10% |
Showing 10 of 31 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 123 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
46% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 46% | 49% | 43% |
| Never married | 32% | 37% | 27% |
| Divorced | 13% | 8% | 17% |
| Widowed | 8% | 4% | 12% |
| Separated | 2% | 2% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau