| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Louisa | County | 11,592 | 12,188 | 11,387 | o |
| Iowa | Federal State | 2,776,831 | 2,926,538 | 3,046,355 |
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Columbus City | City | 336 | 376 | 391 | o |
| Columbus Junction | City | 1,724 | 1,900 | 1,899 | o |
| Cotter | City | 50 | 48 | 48 | o |
| Fredonia | City | 161 | 254 | 244 | o |
| Grandview | City | 518 | 612 | 556 | o |
| Letts | City | 374 | 392 | 384 | o |
| Morning Sun | City | 843 | 872 | 836 | o |
| Oakville | City | 439 | 439 | 173 | o |
| Wapello | City | 2,041 | 2,127 | 2,067 | o |
Source: US Census Bureau (web).
2011-04-03WWW.CITYPOPULATION.DE