Copley Flag

Copley

County:
Knox County
County Seat:
No
Area (mi²):
35.073
State:
Illinois

Copley is located in Knox County, Illinois. Copley has a 2025 population of 376. Copley is currently declining at a rate of -0.79% annually and its population has decreased by -4.57% since the most recent census, which recorded a population of 394 in 2020.

The average household income in Copley is $116,577 with a poverty rate of 3.83%The median age in Copley is 35.4 years: 32.7 years for males, and 35.8 years for females.

376
Total Population
11
Density (mi²)
-3 -0.79%
Growth

Copley 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)