City in Thurston County, Washington · 1.7 sq mi · 1,452 people per sq mi
2,523 people live in Rainier. The typical household earns $106,019, and the median resident is 36.3 years old.
2026 projection
From 2,369 in 2020
Poverty rate 14.57%
Men 36.9 · Women 33.7
2010–2026
2,523
2026 projection
6.5% 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.
2010–2026
2,523
2026 projection
6.5% 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 | 2,523 | +28 | 1.12% |
|---|---|---|---|
| 2025 | 2,495 | -2 | 0.08% |
| 2024 | 2,497 | +30 | 1.22% |
| 2023 | 2,467 | +5 | 0.20% |
| 2022 | 2,462 | -10 | 0.40% |
| 2021 | 2,472 | +103 | 4.35% |
| 2020 | 2,369 | +55 | 2.38% |
| 2019 | 2,314 | +99 | 4.47% |
| 2018 | 2,215 | +76 | 3.55% |
| 2017 | 2,139 | +113 | 5.58% |
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.
Rainier is growing faster than Thurston 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 25 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
57% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 57% | 60% | 54% |
| Never married | 29% | 27% | 31% |
| Divorced | 11% | 10% | 12% |
| Widowed | 2% | 1% | 3% |
| Separated | 2% | 2% | 2% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources