City in Benton County, Washington · 5.2 sq mi · 1,307 people per sq mi
6,756 people live in Prosser. The typical household earns $76,985, and the median resident is 33.1 years old.
2026 projection
From 6,062 in 2020
Poverty rate 16.76%
Men 31.6 · Women 34
1900–2026
6,756
2026 projection
11.4% 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.
1900–2026
6,756
2026 projection
11.4% 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 | 6,756 | +102 | 1.53% |
|---|---|---|---|
| 2025 | 6,654 | +107 | 1.63% |
| 2024 | 6,547 | +169 | 2.65% |
| 2023 | 6,378 | +136 | 2.18% |
| 2022 | 6,242 | +42 | 0.68% |
| 2021 | 6,200 | +138 | 2.28% |
| 2020 | 6,062 | -1 | 0.02% |
| 2019 | 6,063 | +14 | 0.23% |
| 2018 | 6,049 | -11 | 0.18% |
| 2017 | 6,060 | +174 | 2.96% |
Showing 10 of 28 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.
Prosser is growing faster than Benton 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 63 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 6 residents
41% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 41% | 42% | 41% |
| Never married | 38% | 45% | 33% |
| Divorced | 12% | 9% | 15% |
| Widowed | 6% | 2% | 10% |
| Separated | 2% | 3% | 1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
14 sources