Greenfield is located in Greene County, Illinois. Greenfield has a 2025 population of 1,006. Greenfield is currently declining at a rate of 0% annually and its population has increased by 1.72% since the most recent census, which recorded a population of 989 in 2020.
The average household income in Greenfield is $108,268 with a poverty rate of 5.15%. The median age in Greenfield is 39.3 years: 37.3 years for males, and 40.8 years for females.
Data after 2023 is projected based on recent change
The racial composition of Greenfield includes 98.85% White, and smaller percentages for Two or more races, Asian, Black or African American and multiracial populations.
White (98.9%)
Two or more races (0.8%)
Asian (0.2%)
Black or African American (0.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 863 | 98.85% |
| Two or more races | 7 | 0.8% |
| Asian | 2 | 0.23% |
| Black or African American | 1 | 0.11% |
Married
Widowed
Divorced
Separated
Never Married
Greenfield's average per capita income is $66,736. Household income levels show a median of $98,125. The poverty rate stands at 5.15%.
Name | Median | Mean |
|---|---|---|
| Families | $115,962 | $124,018 |
| Married Families | $115,769 | - |
| Households | $98,125 | $108,268 |
| Non Families | $44,750 | $62,247 |
Average Income
Median Household Income
Poverty Rate