Effingham Flag

Effingham

County Seat:
Yes
Area (mi²):
10.889
State:
Illinois

Effingham is a city located in Effingham County, Illinois. Effingham has a 2026 population of 12,487. It is also the county seat of Effingham County. Effingham is currently growing at a rate of 0.22% annually and its population has increased by 1.29% since the most recent census, which recorded a population of 12,328 in 2020.

The median household income in Effingham is $72,377 with a poverty rate of 14.56%. The median age in Effingham is 39.6 years: 37.3 years for males, and 42.1 years for females. For every 100 females there are 93.1 males.

12.5K
Total Population
1,147
Density (mi²)
27 0.22%
Growth

Effingham 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)