City in Columbia County, Washington · 1.4 sq mi · 1,765 people per sq mi
About 2,500 people live in Dayton. The typical household earns $70,625, and the median resident is 45.3 years old.
2026 projection
From 2,449 in 2020
Poverty rate 11.92%
Men 42.9 · Women 49.5
1880–2026
2,545
2026 projection
3.9% 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
2,545
2026 projection
3.9% 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 | 2,545 | +7 | 0.28% |
|---|---|---|---|
| 2025 | 2,538 | +58 | 2.34% |
| 2024 | 2,480 | -16 | 0.64% |
| 2023 | 2,496 | +22 | 0.89% |
| 2022 | 2,474 | -11 | 0.44% |
| 2021 | 2,485 | +36 | 1.47% |
| 2020 | 2,449 | -15 | 0.61% |
| 2019 | 2,464 | -23 | 0.92% |
| 2018 | 2,487 | +24 | 0.97% |
| 2017 | 2,463 | +14 | 0.57% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 28 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
45% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 45% | 50% | 41% |
| Never married | 32% | 34% | 30% |
| Divorced | 13% | 13% | 14% |
| Widowed | 8% | 3% | 13% |
| Separated | 2% | 0% | 3% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau