City in St. Louis County, Missouri · 11.1 sq mi · 1,238 people per sq mi
About 14,000 people live in Eureka. The typical household earns $108,394, and the median resident is 37.5 years old.
2026 projection
From 11,777 in 2020
Poverty rate 7.92%
Men 35.3 · Women 39.3
1880–2026
13,787
2026 projection
17.1% 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.
1880–2026
13,787
2026 projection
17.1% 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 | 13,787 | +365 | 2.72% |
|---|---|---|---|
| 2025 | 13,422 | +182 | 1.37% |
| 2024 | 13,240 | +131 | 1.00% |
| 2023 | 13,109 | +382 | 3.00% |
| 2022 | 12,727 | +530 | 4.35% |
| 2021 | 12,197 | +420 | 3.57% |
| 2020 | 11,777 | +813 | 7.42% |
| 2019 | 10,964 | +192 | 1.78% |
| 2018 | 10,772 | +209 | 1.98% |
| 2017 | 10,563 | +28 | 0.27% |
Showing 10 of 23 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 131 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 13 residents
59% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 59% | 61% | 58% |
| Never married | 22% | 26% | 17% |
| Divorced | 14% | 11% | 17% |
| Widowed | 5% | 1% | 8% |
| Separated | <1% | <1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau