Jefferson County, Oregon Demographics 2026
Jefferson County, Oregon has a population of 25,203, the 25th most populous county in Oregon. The median household income is $76,260 and the median home value is $374,200. The poverty rate is 13.4%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Jefferson County Quick Facts
How Jefferson County Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 24,973 | 25,203 | +0.9% |
| Median household income | $73,051 | $76,260 | +4.4% |
| Median home value | $339,200 | $374,200 | +10.3% |
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 46 | National average: 61
Education
Educational Attainment (Adults 25+)
Cities & Places in Jefferson County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Madras | 7,676 | $64,659 | 17.8% | $330,900 |
| Warm Springs | 2,480 | $54,600 | 26.8% | $223,800 |
| Culver | 2,254 | $91,463 | 6.8% | $332,500 |
| Metolius | 1,137 | $65,000 | 18.4% | $251,600 |
| Camp Sherman | 298 | $106,250 | 4.4% | $651,500 |
Explore Oregon Rankings
Population Overview
Jefferson County is located in Oregon with a total population of 25,203. It is the 25th most populous county out of 36 in Oregon. The county encompasses 5 Census-designated places.
Age Demographics
The median age in Jefferson County is 41.5 years. This is 3% higher than the state median of 40.4 years.
Economy, Income & Housing
The median household income in Jefferson County is $76,260. This is 8% lower than the state median of $83,011. It is also 6% lower than the national median of $80,734. The poverty rate stands at 13.4%. This is 12% higher than the state poverty rate of 11.9%. The unemployment rate is 8.1%. This is 50% higher than the state rate of 5.4%. The median home value is $374,200. Housing costs are 22% lower than the state median of $477,600. The home-value-to-income ratio is 4.9x. 72.0% of occupied housing units are owner-occupied. This homeownership rate is 14% higher than the state average of 63.3%.
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 21.3%. The Black or African American population (0.6%) is well below the state average of 1.8%. The Asian population (0.5%) is well below the state average of 4.4%.
Education
21.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 42% lower than the state rate of 36.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 89.0%.
Data Sources & Methodology
All figures for Jefferson County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Oregon and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.
Frequently Asked Questions
What is the population of Jefferson County, Oregon?
Jefferson County has a population of 25,203, making it the 25th most populous county in Oregon.
What is the median income in Jefferson County?
The median household income in Jefferson County is $76,260 with a poverty rate of 13.4%.
How many cities are in Jefferson County, Oregon?
Jefferson County contains 5 Census-designated places.