| County : | Poweshiek County |
| State : | Iowa (IA) |
| Land Area : | 584.93 sq mi |
| Water Area : | 1.13 sq mi |
| Latitude : | 41.6845262 |
| Longitude : | -92.5228819 |
| Population (2010): | 18,914 |
| Population Estimate (2012) : | 18,888 |
| Population Density : | 32.34/sq mi |
| Housing Units (2012) : | 8,949 |
| Median Household Income (2012) : | $50,703 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $65,502 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $119,100 (Iowa : $123,000, USA : $181,400) |
Poweshiek County Cities / Towns
| Barnes City (176) | Brooklyn City (1,468) | Deep River City (279) |
| Grinnell City (9,218) | Guernsey City (63) | Hartwick City (86) |
| Holiday Lake (433) | Malcom City (287) | Montezuma City (1,462) |
| Searsboro City (148) | Victor City (893) |
Poweshiek County Zip Codes
| 50027 (285) | 50106 (1,039) | 50112 (11,536) |
| 50153 (734) | 50157 (762) | 50171 (2,923) |
| 50207 (2,537) | 50242 (439) | 52208 (3,153) |
| 52211 (2,624) | 52215 (843) | 52221 (221) |
| 52222 (709) | 52232 (178) | 52339 (4,504) |
| 52347 (1,410) |