City in Greenwood County, Kansas · 2.3 sq mi · 972 people per sq mi
2,226 people live in Eureka. The typical household earns $48,828, and the median resident is 42.5 years old.
2026 projection
From 2,332 in 2020
Poverty rate 22.38%
Men 39.8 · Women 44.3
1880–2026
2,226
2026 projection
4.5% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
1880–2026
2,226
2026 projection
4.5% since 2020 (decrease)
Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 2,226 | -13 | 0.58% |
|---|---|---|---|
| 2025 | 2,239 | -9 | 0.40% |
| 2024 | 2,248 | -19 | 0.84% |
| 2023 | 2,267 | -4 | 0.18% |
| 2022 | 2,271 | -6 | 0.26% |
| 2021 | 2,277 | -55 | 2.36% |
| 2020 | 2,332 | -35 | 1.48% |
| 2019 | 2,367 | -4 | 0.17% |
| 2018 | 2,371 | -24 | 1.00% |
| 2017 | 2,395 | -13 | 0.54% |
Showing 10 of 30 years.
The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.
Eureka has a population change lower than Greenwood County, Kansas, and the U.S.
Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.
Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 22 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 4 residents
46% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 46% | 48% | 44% |
| Never married | 28% | 35% | 21% |
| Divorced | 15% | 10% | 21% |
| Widowed | 9% | 4% | 14% |
| Separated | 2% | 4% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources