Town in Whitman County, Washington · 0.6 sq mi · 904 people per sq mi
568 people live in Rosalia. The typical household earns $50,938, and the median resident is 50.2 years old.
2026 projection
From 598 in 2020
Poverty rate 19.84%
Men 52.8 · Women 47.3
2010–2026
568
2026 projection
5% 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.
2010–2026
568
2026 projection
5% 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 | 568 | -5 | 0.87% |
|---|---|---|---|
| 2025 | 573 | -1 | 0.17% |
| 2024 | 574 | +1 | 0.17% |
| 2023 | 573 | -1 | 0.17% |
| 2022 | 574 | +1 | 0.17% |
| 2021 | 573 | -25 | 4.18% |
| 2020 | 598 | -5 | 0.83% |
| 2019 | 603 | -2 | 0.33% |
| 2018 | 605 | +1 | 0.17% |
| 2017 | 604 | +10 | 1.68% |
Showing 10 of 17 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.
Rosalia has a population change lower than Whitman 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 5 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 5 residents
47% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 47% | 40% | 56% |
| Never married | 25% | 30% | 18% |
| Divorced | 22% | 29% | 14% |
| Widowed | 5% | 1% | 10% |
| Separated | <1% | 0% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources