| City : | Diagonal City |
| County : | Ringgold County |
| State : | Iowa (IA) |
| Land Area : | 0.90 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.8108990 |
| Longitude : | -94.3418534 |
| Population (2010): | 330 |
| Population Estimate (2012) : | 278 |
| Population Density : | 365.08/sq mi |
| Housing Units (2012) : | 145 |
| Median Household Income (2012) : | $36,875 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $49,063 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $45,000 (Iowa : $123,000, USA : $181,400) |
Diagonal City Zip Codes
| 50845 (811) |