City in Kittitas County, Washington · 5.6 sq mi · 1,189 people per sq mi
About 6,600 people live in Union Gap. The typical household earns $59,651, and the median resident is 34.5 years old.
2026 projection
From 6,588 in 2020
Poverty rate 13.8%
Men 34.1 · Women 34.8
1880–2026
6,629
2026 projection
0.6% 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
6,629
2026 projection
0.6% 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 | 6,629 | +12 | 0.18% |
|---|---|---|---|
| 2025 | 6,617 | -19 | 0.29% |
| 2024 | 6,636 | +5 | 0.08% |
| 2023 | 6,631 | 0 | 0.00% |
| 2022 | 6,631 | -9 | 0.14% |
| 2021 | 6,640 | +52 | 0.79% |
| 2020 | 6,588 | +384 | 6.19% |
| 2019 | 6,204 | +51 | 0.83% |
| 2018 | 6,153 | +2 | 0.03% |
| 2017 | 6,151 | +2 | 0.03% |
Showing 10 of 30 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 66 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 7 residents
40% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 40% | 39% | 41% |
| Never married | 45% | 51% | 38% |
| Divorced | 8% | 8% | 7% |
| Widowed | 3% | <1% | 6% |
| Separated | 4% | <1% | 8% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau