City in Nemaha County, Kansas · 1.8 sq mi · 1,197 people per sq mi
About 2,100 people live in Seneca. The typical household earns $76,750, and the median resident is 51.8 years old.
2026 projection
From 2,129 in 2020
Poverty rate 8.01%
Men 48.1 · Women 58.6
2010–2026
2,140
2026 projection
0.5% 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.
2010–2026
2,140
2026 projection
0.5% 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 | 2,140 | +1 | 0.05% |
|---|---|---|---|
| 2025 | 2,139 | +6 | 0.28% |
| 2024 | 2,133 | +8 | 0.38% |
| 2023 | 2,125 | -3 | 0.14% |
| 2022 | 2,128 | +3 | 0.14% |
| 2021 | 2,125 | -4 | 0.19% |
| 2020 | 2,129 | +68 | 3.30% |
| 2019 | 2,061 | +26 | 1.28% |
| 2018 | 2,035 | +9 | 0.44% |
| 2017 | 2,026 | -2 | 0.10% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 21 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 12 residents
64% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 64% | 65% | 63% |
| Never married | 16% | 18% | 15% |
| Divorced | 9% | 12% | 6% |
| Widowed | 10% | 4% | 17% |
| Separated | <1% | <1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau