Clackamas County's 2026 population is estimated at 427,315, reflecting a 0.24% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Clackamas County is the 3rd largest county in Oregon. The 2010 population was 376,799 and has grown 13.41% since 2010.
Overall: 42.3 years
Female: 43.2 years
Male: 41.2 years
There are 335,725 adults, (84,323 of whom are seniors) in Clackamas County.
Female: 213,344 (50.3%)
Male: 210,631 (49.7%)
The racial composition of Clackamas County includes 78.54% White, 5.16% Asian, 3.27% other race, and smaller percentages for Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 332,982 | 78.54% |
| Two or more races | 47,035 | 11.09% |
| Asian | 21,858 | 5.16% |
| Other race | 13,862 | 3.27% |
| Black or African American | 4,470 | 1.05% |
| Native American | 2,717 | 0.64% |
| Native Hawaiian or Pacific Islander | 1,051 | 0.25% |
Clackamas County 's average per capita income is $60,410. Household income levels show a median of $103,517. The poverty rate stands at 7.71%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $137,395 | $174,020 |
| Families | $123,358 | $157,225 |
| Households | $103,517 | $137,176 |
| Non Families | $60,172 | $84,249 |
Average Income
Median Household Income
Poverty Rate