| Zip Code : | 51062 |
| City : | Westfield city |
| County : | Plymouth County |
| State : | Iowa (IA) |
| Land Area : | 55.78 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 42.6978273 |
| Longitude : | -96.5349676 |
| Population (2010): | 526 |
| Population Estimate (2012) : | 536 |
| Population Density : | 9.43/sq mi |
| Housing Units (2012) : | 247 |
| Median Household Income (2012) : | $68,167 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $93,750 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $139,500 (Iowa : $123,000, USA : $181,400) |