Greene Flag

Greene

County:
Mercer County
County Seat:
No
Area (mi²):
36.72
State:
Illinois

Greene is located in Mercer County, Illinois. Greene has a 2025 population of 1,390 . Greene is currently declining at a rate of -1.28% annually and its population has decreased by -3.67% since the most recent census, which recorded a population of 1,443 in 2020.

The average household income in Greene is $91,187 with a poverty rate of 5.17%. The median age in Greene is 46.1 years: 44.5 years for males, and 46.2 years for females. For every 100 females there are 103.5 males.

1.4K
Total Population
38
Density (mi²)
-18 -1.28%
Growth

Greene Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)