| Zip Code : | 50563 |
| City : | Knierim city, Manson city, Twin Lakes |
| County : | Pocahontas County, Calhoun County, Webster County |
| State : | Iowa (IA) |
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| Land Area : | 97.52 sq mi |
| Water Area : | 0.29 sq mi |
| Latitude : | 42.5278306 |
| Longitude : | -94.5249637 |
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| Population (2010): | 2,500 |
| Population Estimate (2012) : | 2,578 |
| Population Density : | 25.64/sq mi |
| Housing Units (2012) : | 1,359 |
| Median Household Income (2012) : | $43,139 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $56,750 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $84,800 (Iowa : $123,000, USA : $181,400) |