City in Kittitas County, Washington · 8.8 sq mi · 2,394 people per sq mi
21,144 people live in Ellensburg. The typical household earns $55,438, and the median resident is 25 years old.
2026 projection
From 18,666 in 2020
Poverty rate 22.43%
Men 25.7 · Women 24.1
1870–2026
21,144
2026 projection
13.3% since 2020 (increase)
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.
1870–2026
21,144
2026 projection
13.3% since 2020 (increase)
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 | 21,144 | -164 | 0.77% |
|---|---|---|---|
| 2025 | 21,308 | +313 | 1.49% |
| 2024 | 20,995 | -106 | 0.50% |
| 2023 | 21,101 | +102 | 0.49% |
| 2022 | 20,999 | +1,251 | 6.33% |
| 2021 | 19,748 | +1,082 | 5.80% |
| 2020 | 18,666 | +199 | 1.08% |
| 2019 | 18,467 | -76 | 0.41% |
| 2018 | 18,543 | +379 | 2.09% |
| 2017 | 18,164 | +251 | 1.40% |
Showing 10 of 31 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.
Ellensburg has a population change lower than Kittitas County, Washington, 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 209 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
32% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 32% | 34% | 30% |
| Never married | 53% | 54% | 51% |
| Divorced | 11% | 9% | 13% |
| Widowed | 3% | 2% | 4% |
| Separated | 1% | <1% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources