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 6,518. It is also the county seat of Benton County. Prosser is currently growing at a rate of 1.18% annually and its population has increased by 6.19% since the most recent census, which recorded a population of 6,138 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.

6.5K
Total Population
1,261
Density (mi²)
76 1.18%
Growth

Prosser Population

Prosser Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Prosser includes 61.53% White, 12.6% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White3,82361.53%
Two or more races1,34221.6%
Other race78312.6%
Asian1522.45%
Black or African American631.01%
Native American350.56%
Native Hawaiian or Pacific Islander150.24%

Prosser Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Prosser's average per capita income is $42,000. Household income levels show a median of $66,406. The poverty rate stands at 20.23%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$87,827-
Families$68,315$85,131
Households$66,406$77,598
Non Families$36,614$49,299

$42,000

Average Income

$66,406

Median Household Income

20.23%

Poverty Rate

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)