Multnomah County, Oregon Demographics 2026

Population Overview

Multnomah County is located in Oregon with a total population of 803,863. It is the 1st most populous county out of 36 in Oregon.

Age Demographics

The median age in Multnomah County is 38.5 years. This is 4% lower than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Multnomah County is $86,247. This is 7% higher than the state median of $80,426. Compared to the national median of $78,538, household income here is 10% higher. The poverty rate stands at 12.5%. This is 5% higher than the state poverty rate of 11.9%. The unemployment rate is 5.4%. This is 1% higher than the state rate of 5.4%. The median home value is $528,000. Housing costs are 16% higher than the state median of $454,200. The home-value-to-income ratio of 6.1x suggests that housing affordability is a significant concern for many residents. 54.1% of occupied housing units are owner-occupied. This homeownership rate is 15% lower than the state average of 63.4%.

Race & Ethnicity

The largest racial or ethnic group in Multnomah County is White (non-Hispanic), making up 66.2% of the population. Hispanic or Latino residents account for 13.1%. The Black or African American population is significantly higher than the state average (5.3% vs 1.8%). The Asian population is significantly higher than the state average (7.4% vs 4.4%).

Education

48.6% of residents aged 25 and older hold a bachelor's degree or higher. This places Multnomah County in the top 10% of all cities in the state for educational attainment. This is 34% higher than the state rate of 36.2%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 92.3%. Notably, 19.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.