Greenfield is a city in Greene County, Illinois, United States. The population was 1,059 at the 2020 census. Greenfield was founded in the 1830's due to its fertile soils and is a rural farming community.
Geography
Greenfield is located in eastern Greene County. Illinois Route 267 passes through the city, leading north to Jacksonville and south to Medora. Carrollton, the Greene County seat, is to the southwest via Routes 267 and 108.
According to the 2021 census gazetteer files, Greenfield has a total area of , of which (or 96.45%) is land and (or 3.55%) is water.
Demographics
2020 census
As of the 2020 census, Greenfield had a population of 1,059. The population density was and the average housing unit density was .
There were 434 households in Greenfield, of which 28.8% had children under the age of 18 living in them. Of all households, 43.8% were married-couple households, 18.9% were households with a male householder and no spouse or partner present, and 29.5% were households with a female householder and no spouse or partner present. About 30.7% of all households were made up of individuals and 17.0% had someone living alone who was 65 years of age or older.