About This Place
Greenfield is a city in Greene County, Illinois, United States. The population was 1,179 at the 2000 census.
Greenfield is located at 39°20′35″N 90°12′35″W / 39.34306°N 90.20972°W / 39.34306; -90.20972 (39.342969, -90.209798).
According to the United States Census Bureau, the city has a total area of 1.8 square miles (4.6 km²), of which, 1.7 square miles (4.5 km²) of it is land and 0.1 square miles (0.2 km²) of it (3.37%) is water.