Greenfield Township, Grundy County, Illinois
Greenfield Township  | |
|---|---|
Location in Grundy County  | |
Grundy County's location in Illinois  | |
| Coordinates: 41°09′32″N 88°16′26″W / 41.15889°N 88.27389°W | |
| Country | United States | 
| State | Illinois | 
| County | Grundy | 
| Established | November 6, 1849 | 
| Area | |
 • Total  | 18.06 sq mi (46.8 km2) | 
| • Land | 17.32 sq mi (44.9 km2) | 
| • Water | 0.74 sq mi (1.9 km2) 4.08% | 
| Elevation | 587 ft (179 m) | 
| Population  (2020)  | |
 • Total  | 991 | 
| • Density | 55/sq mi (21/km2) | 
| Time zone | UTC-6 (CST) | 
| • Summer (DST) | UTC-5 (CDT) | 
| ZIP codes | 60407, 60424, 60474, 60961  | 
| FIPS code | 17-063-31381 | 
Greenfield Township is one of seventeen townships in Grundy County, Illinois, USA. As of the 2020 census, its population was 991 and it contained 449 housing units.