| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Union | County | 10,189 | 12,583 | 14,399 | o |
| South Dakota | Federal State | 696,004 | 754,858 | 814,180 |
| Name | Status | Population census 1990-04-01 | Population census 2000-04-01 | Population census 2010-04-01 | |
|---|---|---|---|---|---|
| Alcester | City | 843 | 880 | 807 | o |
| Dakota Dunes | Census-Designated Place | ... | ... | 2,540 | o |
| Elk Point | City | 1,423 | 1,714 | 1,963 | o |
| Jefferson | City | 527 | 586 | 547 | o |
| North Sioux City | City | 2,023 | 2,288 | 2,530 | o |
| Richland | Census-Designated Place | ... | ... | 89 | o |
Source: US Census Bureau (web).
2011-04-03WWW.CITYPOPULATION.DE