Multnomah County Flag

Multnomah County

State:
Oregon
County Seat:
Portland

Multnomah County's estimated 2025 population is 779,968 with a growth rate of -0.62% in the past year according to the most recent United States census data. Multnomah County is the  largest county in Oregon. The 2010 population was 737,320 and has seen a growth of 5.78% since that time.

779,968
Total Population
1,810
Population Density (mi²)
1
Population Rank (State)
-4.9K -0.62%
Annual Population Growth

Multnomah County Population

Multnomah County Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Multnomah County includes 69.97% White, 7.47% Asian, 5.52% Black or African American, 3.74% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race
Population
Percentage (of total)
White562,45869.97%
Two or more races94,51211.76%
Asian60,0707.47%
Black or African American44,4015.52%
Other race30,0263.74%
Native American7,4600.93%
Native Hawaiian or Pacific Islander4,9360.61%

Multnomah County Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Multnomah County's average per capita income is $55,234. Household income levels show a median of $86,247. The poverty rate stands at 12.52%.

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$136,070$173,992
Families$113,868$149,469
Households$86,247$119,642
Non Families$60,783$84,025

$55,234

Average Income

$86,247

Median Household Income

12.52%

Poverty Rate