City in Woodford County, Illinois · 2.7 sq mi · 1,868 people per sq mi
About 5,100 people live in Eureka. The typical household earns $56,048, and the median resident is 42.2 years old.
2026 projection
From 5,218 in 2020
Poverty rate 10.81%
Men 38.3 · Women 53
1860–2026
5,111
2026 projection
2.1% 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
5,111
2026 projection
2.1% 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 | 5,111 | -18 | 0.35% |
|---|---|---|---|
| 2025 | 5,129 | -19 | 0.37% |
| 2024 | 5,148 | -37 | 0.71% |
| 2023 | 5,185 | +8 | 0.15% |
| 2022 | 5,177 | -11 | 0.21% |
| 2021 | 5,188 | -30 | 0.57% |
| 2020 | 5,218 | -51 | 0.97% |
| 2019 | 5,269 | -24 | 0.45% |
| 2018 | 5,293 | -34 | 0.64% |
| 2017 | 5,327 | -34 | 0.63% |
Showing 10 of 32 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 50 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 9 residents
46% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 46% | 54% | 40% |
| Never married | 24% | 30% | 20% |
| Divorced | 14% | 13% | 15% |
| Widowed | 15% | 3% | 25% |
| Separated | <1% | 0% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau