Tillamook County's 2026 population is estimated at 26,946, reflecting a -0.59% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Tillamook County is the 22nd largest county in Oregon. The 2010 population was 25,243 and has grown 6.75% since 2010.
Data after 2023 is projected based on recent change
Overall: 49 years
Female: 51 years
Male: 48 years
There are 22,516 adults, (7,693 of whom are seniors) in Tillamook County.
Female: 13,549 (49.3%)
Male: 13,947 (50.7%)
The racial composition of Tillamook County includes 83.82% White, 5.86% other race, and smaller percentages for Black or African American, Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 23,046 | 83.82% |
| Two or more races | 2,247 | 8.17% |
| Other race | 1,610 | 5.86% |
| Black or African American | 218 | 0.79% |
| Asian | 212 | 0.77% |
| Native American | 134 | 0.49% |
| Native Hawaiian or Pacific Islander | 29 | 0.11% |
Tillamook County 's average per capita income is $42,216. Household income levels show a median of $69,105. The poverty rate stands at 12.74%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,784 | - |
| Families | $82,994 | $104,571 |
| Households | $69,105 | $87,737 |
| Non Families | $41,470 | $52,275 |
Average Income
Median Household Income
Poverty Rate
