Jefferson County's estimated 2026 population is 25,795 with a growth rate of 0.21% in the past year according to the most recent United States census data. Jefferson County is the 25th largest county in Oregon. The 2010 population was 21,662 and has seen a growth of 19.08% since that time.
Data after 2023 is projected based on recent change
Overall: 41.5 years
Female: 42.2 years
Male: 40.9 years
There are 19,484 adults, (5,016 of whom are seniors) in Jefferson County.
Female: 12,105 (48%)
Male: 13,098 (52%)
The racial composition of Jefferson County includes 62.01% White, 13.65% Native American, 8.16% other race, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 15,628 | 62.01% |
| Two or more races | 3,785 | 15.02% |
| Native American | 3,439 | 13.65% |
| Other race | 2,056 | 8.16% |
| Black or African American | 142 | 0.56% |
| Asian | 118 | 0.47% |
| Native Hawaiian or Pacific Islander | 35 | 0.14% |
Jefferson County's average per capita income is $44,592. Household income levels show a median of $76,260. The poverty rate stands at 13.4%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,944 | - |
| Families | $83,373 | $101,999 |
| Households | $76,260 | $93,094 |
| Non Families | $49,583 | $60,801 |
Average Income
Median Household Income
Poverty Rate
