| City : | Greenfield City |
| County : | Blair County, Greene County |
| State : | Illinois (IL) |
| | |
| Land Area : | 1.72 sq mi |
| Water Area : | 0.06 sq mi |
| Latitude : | 39.3444870 |
| Longitude : | -90.2081914 |
| | |
| Population (2010): | 1,071 |
| Population Estimate (2012) : | 1,409 |
| Population Density : | 623.38/sq mi |
| Housing Units (2012) : | 513 |
| Median Household Income (2012) : | $39,712 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $43,750 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $68,200 (Illinois : $190,800, USA : $181,400) |