Columbia County
Go to Columbia County's website 
Median Household Income
|
U.S. Average $61,531 |
Oregon Average $48,415 |
Columbia County Average $75,515 |
2000 U.S. Census data, adjusted for inflation
Cities in Columbia County
| City | Population |
| Clatskanie | |
| Columbia City | |
| Prescott | |
| Rainier | |
| Scappoose | |
| St. Helens | |
| Vernonia |

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