| City : | Willmar City |
| County : | Kandiyohi County, Rockland County |
| State : | Minnesota (MN) |
| | |
| Land Area : | 14.15 sq mi |
| Water Area : | 1.80 sq mi |
| Latitude : | 45.1226755 |
| Longitude : | -95.0558650 |
| | |
| Population (2010): | 19,610 |
| Population Estimate (2012) : | 19,541 |
| Population Density : | 1,385.59/sq mi |
| Housing Units (2012) : | 8,123 |
| Median Household Income (2012) : | $40,417 (Minnesota : $59,126, USA : $53,046) |
| Median Family Income (2012) : | $51,854 (Minnesota : $74,032, USA : $64,585) |
| Median House Price (2012) : | $133,200 (Minnesota : $194,300, USA : $181,400) |