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 2026 population of 6,737. It is also the county seat of Benton County. Prosser is currently growing at a rate of 1.49% annually and its population has increased by 9.62% since the most recent census, which recorded a population of 6,146 in 2020.

The median household income in Prosser is $76,985 with a poverty rate of 16.76%. The median age in Prosser is 33.1 years: 31.6 years for males, and 34 years for females. For every 100 females there are 85.6 males.

6.7K
Total Population
1,304
Density (mi²)
99 1.49%
Growth

Prosser Population

Prosser Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20266,737991.49%
20256,638981.5%
20246,5401602.51%
20236,3801302.08%
20226,250410.66%
20216,209721.17%
20206,146-216-3.4%
20196,362450.71%
20186,317220.35%
20176,2952073.4%
20166,0881622.73%
20155,926691.18%
20145,857130.22%
20135,84450.09%
20125,839-8-0.14%
20115,847651.12%
20105,782681.19%
20004,8383628.09%
19904,47658014.89%
19803,89694231.89%
19702,9541916.91%
19602,7631274.82%
19502,63600%

Median Age

Overall: 33.1 years
Female: 34 years
Male: 31.6 years

Prosser Adults

There are 4,509 adults, (936 of whom are seniors) in Prosser.

Sex Ratio

Female: 3,397 (53.9%)
Male: 2,908 (46.1%)

Demographics

The racial composition of Prosser includes 58.14% White, 14.23% other race, and smaller percentages for Native American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White3,66658.14%
Two or more races1,63625.95%
Other race89714.23%
Native American540.86%
Asian520.82%
Race
Population ↓
Percentage (of total)
Two or more races1,58525.14%
Other race87113.81%
White83013.16%
Native American540.86%
Asian100.16%
Race
Population ↓
Percentage (of total)
White2,83644.98%
Two or more races510.81%
Asian420.67%
Other race260.41%

Prosser Marital Status

Economics and Income Statistics

Prosser 's average per capita income is $46,875. Household income levels show a median of $76,985. The poverty rate stands at 16.76%.

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$96,458-
Households$76,985$84,894
Families$73,993$88,913
Non Families$47,850$60,609

$46,875

Average Income

$76,985

Median Household Income

16.76%

Poverty Rate

Nearby Cities

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)