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> South Dakota > Pennington County
| County : | Pennington County |
| State : | South Dakota (SD) |
| Land Area : | 2,776.54 sq mi |
| Water Area : | 7.71 sq mi |
| Latitude : | 44.0023492 |
| Longitude : | -102.8238015 |
| Population (2010): | 100,948 |
| Population Estimate (2012) : | 101,240 |
| Population Density : | 36.36/sq mi |
| Housing Units (2012) : | 44,949 |
| Median Household Income (2012) : | $50,253 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $63,185 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $156,000 (South Dakota : $129,800, USA : $181,400) |
Pennington County Cities / Towns
| Ashland Heights (754) | Box Elder City (7,800) | Colonial Pine Hills (2,493) |
| Green Valley (928) | Hill City (948) | Johnson Siding (659) |
| Keystone Town (337) | New Underwood City (660) | Quinn Town (54) |
| Rapid City (67,956) | Rapid Valley (8,260) | Wall Town (766) |
| Wasta Town (80) |
Pennington County Zip Codes
| 57701 (43,462) | 57702 (32,980) | 57703 (14,205) |
| 57706 (2,903) | 57718 (6,307) | 57719 (6,217) |
| 57725 (162) | 57730 (5,315) | 57744 (2,238) |
| 57745 (2,109) | 57751 (844) | 57761 (1,210) |
| 57767 (149) | 57775 (230) | 57780 (102) |
| 57790 (1,111) | 57791 (190) |