City in Clay County, Kansas · 3.2 sq mi · 1,264 people per sq mi
4,033 people live in Clay Center. The typical household earns $62,695, and the median resident is 42.3 years old.
2026 projection
From 4,199 in 2020
Poverty rate 13.12%
Men 40 · Women 43.4
1880–2026
4,033
2026 projection
4% 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
4,033
2026 projection
4% 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 | 4,033 | -28 | 0.69% |
|---|---|---|---|
| 2025 | 4,061 | -24 | 0.59% |
| 2024 | 4,085 | -5 | 0.12% |
| 2023 | 4,090 | -30 | 0.73% |
| 2022 | 4,120 | -47 | 1.13% |
| 2021 | 4,167 | -32 | 0.76% |
| 2020 | 4,199 | +32 | 0.77% |
| 2019 | 4,167 | +13 | 0.31% |
| 2018 | 4,154 | +15 | 0.36% |
| 2017 | 4,139 | -44 | 1.05% |
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.
Clay Center has a population change lower than Clay 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 41 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 8 residents
58% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 58% | 62% | 54% |
| Never married | 21% | 28% | 12% |
| Divorced | 13% | 8% | 18% |
| Widowed | 8% | 1% | 15% |
| Separated | <1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources