Linn County's 2026 population is estimated at 134,404, reflecting a 0.72% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Linn County is the 8th largest county in Oregon. The 2010 population was 116,887 and has grown 14.99% since 2010.
Data after 2023 is projected based on recent change
Overall: 40.1 years
Female: 41.3 years
Male: 39 years
There are 101,982 adults, (25,495 of whom are seniors) in Linn County.
Female: 65,504 (50.1%)
Male: 65,202 (49.9%)
The racial composition of Linn County includes 83.95% White, 4.51% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 109,727 | 83.95% |
| Two or more races | 11,948 | 9.14% |
| Other race | 5,891 | 4.51% |
| Asian | 1,372 | 1.05% |
| Native American | 887 | 0.68% |
| Black or African American | 664 | 0.51% |
| Native Hawaiian or Pacific Islander | 217 | 0.17% |
Linn County 's average per capita income is $48,590. Household income levels show a median of $76,329. The poverty rate stands at 12.98%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $99,127 | $114,094 |
| Families | $90,002 | $102,250 |
| Households | $76,329 | $89,267 |
| Non Families | $41,862 | $55,452 |
Average Income
Median Household Income
Poverty Rate