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 1st 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

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

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

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