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Prosser city, WA
ZIP 99350 — People & Community
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Middle ClassLow Snow Area
Demographics, education attainment, health access, and community lifestyle
Population & Demographics in 99350
99350 has a population of 14,278 with a median age of 33.7 yrs (51.2% male).
Health & Community Indicators in 99350
Historical Trends in 99350 (2020–Present)
Since 2020, population grew 0.5%, median income rose 6.1% (inflation-adjusted), home values increased 17.8%.
People & Community key statistics
| Population | |
|---|---|
| Population | 14,278 |
| Median age | 33.7 |
| Poverty rate | 12.1% |
| Demographics | |
|---|---|
| White | 60.4% |
| Hispanic | 45.7% |
| Black | 0.9% |
| Asian | 2.1% |
| Foreign-born | 27.1% |