Jefferson County, Oregon Demographics 2026

Population Overview

Jefferson County is located in Oregon with a total population of 24,973. It is the 25th most populous county out of 36 in Oregon.

Age Demographics

The median age in Jefferson County is 41.3 years. This is 3% higher than the state median of 40.1 years.

Economy, Income & Housing

The median household income in Jefferson County is $73,051. This is 9% lower than the state median of $80,426. Compared to the national median of $78,538, household income here is 7% lower. The poverty rate stands at 11.8%. This is 1% lower than the state poverty rate of 11.9%. The unemployment rate is 7.7%. This is 43% higher than the state rate of 5.4%. The median home value is $339,200. Housing costs are 25% lower than the state median of $454,200. The home-value-to-income ratio is 4.6x. 71.4% of occupied housing units are owner-occupied. This homeownership rate is 13% higher than the state average of 63.4%.

Race & Ethnicity

The largest racial or ethnic group in Jefferson County is White (non-Hispanic), making up 57.3% of the population. Hispanic or Latino residents account for 21.0%. The Black or African American population (0.7%) is well below the state average of 1.8%. The Asian population (0.6%) is well below the state average of 4.4%.

Education

20.0% of residents aged 25 and older hold a bachelor's degree or higher. This is 45% lower 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 88.7%.