County
| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Columbia | County | 43,553 | 49,351 | 49,357 | o |
| Oregon | Federal State | 3,421,524 | 3,831,073 | 3,868,229 |
Contents: Incorporated Places (Columbia, County)
| Name | Status | Population census 2000-04-01 | Population census 2010-04-01 | Population estimate 2011-07-01 | |
|---|---|---|---|---|---|
| Clatskanie | City | 1,528 | 1,737 | 1,738 | o |
| Columbia City | City | 1,571 | 1,946 | 1,949 | o |
| Prescott | City | 72 | 55 | 55 | o |
| Rainier | City | 1,687 | 1,895 | 1,897 | o |
| Scappoose | City | 5,040 | 6,592 | 6,599 | o |
| St. Helens | City | 10,098 | 12,892 | 12,905 | o |
| Vernonia | City | 2,260 | 2,151 | 2,153 | o |
Source: US Census Bureau (web).
2012-07-02WWW.CITYPOPULATION.DE
