| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Cowlitz | County | 82,119 | 92,945 | 102,410 | o |
| Washington | Federal State | 4,866,669 | 5,894,281 | 6,724,540 |
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Castle Rock | City | 2,040 | 2,130 | 1,982 | o |
| Kalama | City | ... | 1,862 | 2,344 | o |
| Kelso | City | 11,772 | 11,895 | 11,925 | o |
| Longview | City | 31,979 | 34,665 | 36,648 | o |
| Longview Heights | Census-Designated Place | 3,310 | 3,513 | 3,851 | o |
| Ryderwood | Census-Designated Place | ... | ... | 395 | o |
| West Side Highway | Census-Designated Place | 3,641 | 4,565 | 5,517 | o |
Source: US Census Bureau (web).
2011-04-03WWW.CITYPOPULATION.DE