Benton County Flag

Benton County

State:
Oregon
County Seat:
Corvallis

Benton County's estimated 2025 population is 97,817 with a growth rate of 0.05% in the past year according to the most recent United States census data. Benton County is the 11th largest county in Oregon. The 2010 population was 85,577 and has seen a growth of 14.3% since that time.

97,817
Total Population
145
Population Density (mi²)
11
Population Rank (State)
52 0.05%
Annual Population Growth

Benton County Population

Benton County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Benton County includes 80.42% White, 6.62% Asian, 3.11% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White77,49580.42%
Two or more races7,1967.47%
Asian6,3816.62%
Other race3,0013.11%
Black or African American1,3461.4%
Native American7680.8%
Native Hawaiian or Pacific Islander1720.18%

Benton County Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Benton County's average per capita income is $49,764. Household income levels show a median of $76,011. The poverty rate stands at 19.2%.

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$126,832$154,980
Families$113,224$137,771
Households$76,011$102,528
Non Families$43,300$57,570

$49,764

Average Income

$76,011

Median Household Income

19.2%

Poverty Rate