Prosser, Washington Demographics & Population 2026
During the 2020–2024 ACS period, Prosser, Washington had a total population of 6,305, the 175th largest city in Washington, with a median household income of $76,985, which is 22% lower than the state average. The poverty rate is 16.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Prosser Quick Facts
How Prosser Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 6,213 | 6,305 | +1.5% |
| Median household income | $66,406 | $76,985 | +15.9% |
| Median home value | $269,300 | $314,000 | +16.6% |
How Prosser Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
Moderate diversity with one or two groups making up the majority.
State average: 56 | National average: 61
Education
Educational Attainment (Adults 25+)
Prosser Rankings in Washington
Explore Washington Rankings
Other Cities in Benton County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Kennewick | 85,295 | $73,576 | 14.3% | $370,700 |
| Richland | 62,753 | $95,813 | 9.0% | $436,700 |
| West Richland | 17,586 | $119,892 | 8.5% | $448,300 |
| Finley | 5,634 | $92,231 | 5.1% | $382,500 |
| Benton City | 3,695 | $63,542 | 11.3% | $355,200 |
Cities Similar to Prosser
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Bangor Base | 6,112 | $79,918 | N/A | 25.8% | 5.4% |
| North Fort Lewis | 6,337 | $70,114 | N/A | 27.4% | 12.5% |
| Woodland | 6,487 | $81,193 | $438,800 | 13.6% | 12.8% |
| Country Homes | 6,198 | $84,653 | $429,400 | 30.7% | 14.2% |
| Blaine | 6,100 | $84,030 | $549,600 | 31.9% | 13.1% |
Population Overview
Prosser is a small city located in Washington, within Benton County. The total population is 6,305. It ranks as the 175th most populous out of 628 Census-designated places in Washington.
Age Demographics
The median age in Prosser is 33.1 years. This is 14% lower than the state median of 38.3 years. With 28.5% of the population under 18, Prosser has a notably young demographic profile, suggesting a family-oriented community.
Economy, Income & Housing
The median household income in Prosser is $76,985. This is 22% lower than the state median of $98,141. It is also 5% lower than the national median of $80,734. The poverty rate stands at 16.8%. This is 69% higher than the state poverty rate of 9.9%. The unemployment rate is 8.0%. This is 56% higher than the state rate of 5.1%. The median home value is $314,000. Housing costs are 44% lower than the state median of $564,600. The home-value-to-income ratio is 4.1x. 54.4% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 63.8%.
Race & Ethnicity
The largest racial or ethnic group in Prosser is Hispanic or Latino, making up 53.1% of the population. White (non-Hispanic) residents account for 45.0%. The Hispanic or Latino population is significantly higher than the state average (53.1% vs 14.4%). The Asian population (0.7%) is well below the state average of 9.7%.
Education
23.3% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 39.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 81.9%.
Data Sources & Methodology
All demographic data for Prosser, Washington is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Washington state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 628 Census-designated places in Washington. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Prosser, Washington?
Prosser, Washington has a population of 6,305 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Prosser, WA?
The median household income in Prosser is $76,985, which is 5% lower than the national median of $80,734.
What is the poverty rate in Prosser, WA?
The poverty rate in Prosser is 16.8%. This means approximately 1,055 residents live below the federal poverty line.
What is the racial makeup of Prosser, Washington?
Prosser's population is 45.0% White, 0.0% Black, 53.1% Hispanic/Latino, and 0.7% Asian.
What is the median home value in Prosser, WA?
The median home value in Prosser is $314,000. The home-value-to-income ratio is 4.1x.
How educated is Prosser, Washington?
23.3% of adults (25+) in Prosser hold a bachelor's degree or higher, and 10.3% hold a graduate or professional degree.