Multnomah County, Oregon
Located in Oregon, Multnomah County has a population of 801,477 residents and a median age of 38.7 years, making it the #80 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 12.6%. The median home value is $552,700, and the median household income is $88,766, which is 18% above the national median.
Demographics
Multnomah County has a population of 801,477, making it the #80 most populous county in the US. The median age is 38.7 years, which is 0.5% below the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Multnomah County is $88,766, ranking #334 out of 3,222 counties — 18.1% above the national median. The poverty rate is 12.6% and unemployment stands at 5.7%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Multnomah County is $552,700 (+96.1% vs national). Renters pay a median of $1,646/mo and the homeownership rate is 53.4%.
Median Home Value Trend
Rankings →Household Type
Education
In Multnomah County, 48.9% of adults age 25+ hold a bachelor's degree or higher, which is 45.0% above the national average, ranking #118 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Multnomah County is 77.8 years. 17.4% of adults report poor or fair health and 7.1% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
13.6% of adults in Multnomah County smoke , 28.9% are obese , and 23.2% report excessive drinking. The drug overdose death rate is 43.0 per 100,000.
Adult Smoking Trend
Safety
The homicide rate in Multnomah County is 6.0 per 100,000 and the suicide rate is 17.2 per 100,000. Motor vehicle deaths occur at a rate of 8.8 per 100,000.
Homicide Rate Trend
Families & Children
13.0% of children in Multnomah County live in poverty and the infant mortality rate is 4.1 per 1,000 live births. The teen birth rate is 11.0 per 1,000 females age 15–19.
Infant Mortality Trend
Civic & Transportation
Voter turnout in Multnomah County is 76.1%. The mean commute time is 26.9 min, which is 2.5% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Multnomah County voted Democratic with a margin of 62.1%. The vote was 79.3% Dem / 17.2% Rep. Compared to 2020, the margin shifted +0.8 toward Democrats .
Vote Share Over Time
About Multnomah County, Oregon
Multnomah County, Oregon has a total population of 801,477, making it the 80th most populous county in the United States. The median age in Multnomah County is 38.7 years, which is 0.5% below the national median of 38.9 years.
The median household income in Multnomah County is $88,766, which ranks #334 of 3,222 counties nationwide. This is 18.1% above the national median of $75,149. The poverty rate is 12.6%, lower than the national rate of 12.6%. The unemployment rate stands at 5.7%.
The median home value in Multnomah County is $552,700, 96.1% above the national median. Renters in Multnomah County pay a median gross rent of $1,646 per month. The homeownership rate is 53.4%, compared to the national rate of 64.4%.
In Multnomah County, 48.9% of residents aged 25 and older hold a bachelor's degree or higher, 45.0% above the national average of 33.7%. Health insurance coverage stands at 94.4% of the population. The average commute time for workers is 26.9 min.
Multnomah County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 65.2% of the population, followed by Hispanic or Latino (13.5%) and Asian (non-Hispanic) (7.4%).
All data for Multnomah County, Oregon comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.