| City : | Frankfort City |
| County : | Marshall County |
| State : | Kansas (KS) |
| Land Area : | 1.01 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.7041215 |
| Longitude : | -96.4178069 |
| Population (2010): | 726 |
| Population Estimate (2012) : | 721 |
| Population Density : | 720.92/sq mi |
| Housing Units (2012) : | 363 |
| Median Household Income (2012) : | $36,000 (Kansas : $51,273, USA : $53,046) |
| Median Family Income (2012) : | $45,536 (Kansas : $64,731, USA : $64,585) |
| Median House Price (2012) : | $52,700 (Kansas : $127,400, USA : $181,400) |
Frankfort City Zip Codes
| 66427 (1,281) |