| County : | Franklin County |
| State : | Missouri (MO) |
| Land Area : | 922.68 sq mi |
| Water Area : | 8.00 sq mi |
| Latitude : | 38.4083125 |
| Longitude : | -91.0734098 |
| Population (2010): | 101,492 |
| Population Estimate (2012) : | 101,440 |
| Population Density : | 110.00/sq mi |
| Housing Units (2012) : | 43,419 |
| Median Household Income (2012) : | $48,322 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $60,393 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $150,100 (Missouri : $138,400, USA : $181,400) |
Franklin County Cities / Towns
| Berger City (221) | Gerald City (1,345) | Gray Summit (2,701) |
| Leslie Village (171) | Miramiguoa Park Village (120) | New Haven City (2,089) |
| Oak Grove Village Village (509) | Pacific City (7,002) | Parkway Village (439) |
| St. Clair City (4,724) | Sullivan City (7,081) | Union City (10,204) |
| Villa Ridge (2,636) | Washington City (13,982) |
Franklin County Zip Codes
| 63013 (1,589) | 63014 (779) | 63015 (2,076) |
| 63037 (3,241) | 63039 (726) | 63041 (534) |
| 63055 (2,449) | 63056 (2,002) | 63060 (2,461) |
| 63061 (95) | 63068 (4,909) | 63069 (15,647) |
| 63072 (3,194) | 63073 (301) | 63077 (11,798) |
| 63079 (58) | 63080 (13,987) | 63084 (17,414) |
| 63089 (5,965) | 63090 (21,524) | 63091 (1,264) |
| 65441 (5,194) |