| County : | Butler County |
| State : | Iowa (IA) |
| Land Area : | 580.13 sq mi |
| Water Area : | 1.63 sq mi |
| Latitude : | 42.7347076 |
| Longitude : | -92.7800664 |
| Population (2010): | 14,867 |
| Population Estimate (2012) : | 14,899 |
| Population Density : | 25.63/sq mi |
| Housing Units (2012) : | 6,682 |
| Median Household Income (2012) : | $51,348 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $61,748 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $97,500 (Iowa : $123,000, USA : $181,400) |
Butler County Cities / Towns
| Allison City (1,029) | Aplington City (1,128) | Aredale City (74) |
| Bristow City (160) | Clarksville City (1,439) | Dumont City (637) |
| Greene City (1,130) | New Hartford City (516) | Parkersburg City (1,870) |
| Shell Rock City (1,296) |
Butler County Zip Codes
| 50433 (256) | 50601 (2,464) | 50602 (1,603) |
| 50604 (1,850) | 50605 (168) | 50611 (392) |
| 50613 (42,031) | 50619 (2,410) | 50625 (1,004) |
| 50636 (1,982) | 50660 (1,333) | 50665 (2,841) |
| 50666 (1,027) | 50670 (2,024) |