Prosser Flag

Prosser

County:
Benton County
County Seat:
Yes
Area (mi²):
5.168
State:
Washington

Prosser is a city located in Benton County, Washington. Prosser has a 2025 population of 6,638 . It is also the county seat of Benton County . Prosser is currently growing at a rate of 1.5% annually and its population has increased by 8.01% since the most recent census, which recorded a population of 6,146 in 2020.

The average household income in Prosser is $77,598 with a poverty rate of 20.23%. The median age in Prosser is 33.4 years: 33 years for males, and 34.3 years for females. For every 100 females there are 90.7 males.

6.6K
Total Population
1,284
Density (mi²)
98 1.5%
Growth

Prosser Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)