| City : | Norwalk City |
| County : | Pratt County, Warren County |
| State : | Iowa (IA) |
| Land Area : | 10.74 sq mi |
| Water Area : | 0.35 sq mi |
| Latitude : | 41.4916792 |
| Longitude : | -93.7021192 |
| Population (2010): | 8,945 |
| Population Estimate (2012) : | 9,012 |
| Population Density : | 832.62/sq mi |
| Housing Units (2012) : | 3,450 |
| Median Household Income (2012) : | $76,429 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $84,068 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $153,300 (Iowa : $123,000, USA : $181,400) |