| City : | Grafton City |
| County : | Glenn County, Worth County |
| State : | Iowa (IA) |
| Land Area : | 0.33 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 43.3304388 |
| Longitude : | -93.0687031 |
| Population (2010): | 252 |
| Population Estimate (2012) : | 244 |
| Population Density : | 774.83/sq mi |
| Housing Units (2012) : | 126 |
| Median Household Income (2012) : | $37,188 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $48,125 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $76,100 (Iowa : $123,000, USA : $181,400) |
Grafton City Zip Codes
| 50440 (422) |