| City : | Sumner City |
| County : | Bremer County, Fayette County, Hoonah-angoon Census Area |
| State : | Iowa (IA) |
| | |
| Land Area : | 2.52 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 42.8493724 |
| Longitude : | -92.0971539 |
| | |
| Population (2010): | 2,028 |
| Population Estimate (2012) : | 2,096 |
| Population Density : | 805.08/sq mi |
| Housing Units (2012) : | 944 |
| Median Household Income (2012) : | $47,768 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $59,205 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $78,000 (Iowa : $123,000, USA : $181,400) |