| Name | Columbia County |
| State | Oregon |
| FIPS Code | 41009 |
| County Seat | Saint Helens |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 53,918 |
| Population Growth Rate(2020-2024) | 2.46% |
| Majority Ethnicity | White 90.67% |
| Public School Majority Ethnicity | White 79% |
| Partisan Voting Index | Republican:+6 |
| Unemployment Rate (May 2026) | 6.7% |
| Sales Tax Rate (2025) | 0% |
| Area Code(s) | 503 / 971 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 90.67% |
| African American | 0.59% |
| Hispanic | 6.64% |
| Asian | 0.67% |
| Native American | 1.03% |
| Hawaiin/Pacific Islander | 0.4% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 79.02% |
| African American | 0.56% |
| Hispanic | 11.23% |
| Asian | 0.72% |
| Native American | 1.09% |
| Hawaiin/Pacific Islander | 0.37% |