| Zip Code : | 50674 |
| City : | Frederika city, Sumner city |
| County : | Bremer County, Chickasaw County, Fayette County |
| State : | Iowa (IA) |
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| Land Area : | 156.48 sq mi |
| Water Area : | 1.32 sq mi |
| Latitude : | 42.8378046 |
| Longitude : | -92.1154304 |
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| Population (2010): | 3,555 |
| Population Estimate (2012) : | 3,494 |
| Population Density : | 22.72/sq mi |
| Housing Units (2012) : | 1,581 |
| Median Household Income (2012) : | $52,656 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $65,692 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $99,200 (Iowa : $123,000, USA : $181,400) |