| County : | Ralls County |
| State : | Missouri (MO) |
| Land Area : | 469.78 sq mi |
| Water Area : | 14.05 sq mi |
| Latitude : | 39.5534554 |
| Longitude : | -91.5247867 |
| Population (2010): | 10,167 |
| Population Estimate (2012) : | 10,198 |
| Population Density : | 21.64/sq mi |
| Housing Units (2012) : | 5,183 |
| Median Household Income (2012) : | $50,145 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $55,456 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $111,200 (Missouri : $138,400, USA : $181,400) |
Ralls County Cities / Towns
| Center City (508) | Hannibal City (17,916) | Monroe City (2,531) |
| New London City (974) | Perry City (693) | Rensselaer Village (228) |
Ralls County Zip Codes
| 63352 (1,078) | 63382 (4,897) | 63401 (22,067) |
| 63436 (1,155) | 63441 (1,121) | 63456 (4,271) |
| 63459 (4,153) | 63462 (1,458) | 63467 (75) |