| County : | Winneshiek County |
| State : | Iowa (IA) |
| Land Area : | 689.86 sq mi |
| Water Area : | 0.27 sq mi |
| Latitude : | 43.2929889 |
| Longitude : | -91.8507880 |
| Population (2010): | 21,056 |
| Population Estimate (2012) : | 21,033 |
| Population Density : | 30.52/sq mi |
| Housing Units (2012) : | 8,721 |
| Median Household Income (2012) : | $52,827 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $65,392 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $154,300 (Iowa : $123,000, USA : $181,400) |
Winneshiek County Cities / Towns
| Burr Oak (166) | Calmar City (978) | Castalia City (173) |
| Decorah City (8,127) | Fort Atkinson City (349) | Jackson Junction City (58) |
| Ossian City (845) | Ridgeway City (315) | Spillville City (367) |
Winneshiek County Zip Codes
| 52101 (13,864) | 52132 (1,938) | 52133 (558) |
| 52136 (5,967) | 52140 (532) | 52144 (1,261) |
| 52161 (1,505) | 52162 (3,285) | 52165 (1,004) |
| 52168 (188) | 52171 (1,048) | 52172 (6,303) |