Rochester Flag

Rochester

County:
Thurston County
County Seat:
No
Area (mi²):
8.462
State:
Washington

Rochester is a CDP located in Thurston County, Washington. Rochester has a 2025 population of 7,256. Rochester is currently growing at a rate of 4.69% annually and its population has increased by 49.48% since the most recent census, which recorded a population of 4,854 in 2020.

The average household income in Rochester is $102,422 with a poverty rate of 14.81%.The median age in Rochester is 43.3 years: 46.1 years for males, and 36.8 years for females.

7.3K
Total Population
857
Density (mi²)
325 4.69%
Growth

Rochester Population

Rochester Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rochester includes 78.34% White, 7.29% other race, and smaller percentages for Asian, Native American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White4,72078.34%
Two or more races69611.55%
Other race4397.29%
Asian1232.04%
Native American470.78%

Rochester Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rochester's average per capita income is $56,250. Household income levels show a median of $94,754. The poverty rate stands at 14.81%.

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$125,787-
Families$108,214$114,056
Households$94,754$102,422
Non Families$41,667$56,244

$56,250

Average Income

$94,754

Median Household Income

14.81%

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)