Effingham

County:: Effingham County
County Seat:: Yes
Area (mi²):: 10.703
State:: Illinois

Effingham is a city located in Effingham County, Illinois. Effingham has a 2025 population of 12,233. It is also the county seat of Effingham County. Effingham is currently declining at a rate of -0.1% annually and its population has decreased by -0.5% since the most recent census, which recorded a population of 12,295 in 2020.

The average household income in Effingham is $80,235 with a poverty rate of 14.82%.The median age in Effingham is 36.9 years: 37.2 years for males, and 36.8 years for females.

Demographics

The racial composition of Effingham includes 94.04% White, and smaller percentages for Two or more races, Black or African American, other race, Asian, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	11,527	94.04%
Two or more races	260	2.12%
Black or African American	181	1.48%
Other race	156	1.27%
Asian	131	1.07%
Native American	3	0.02%

Effingham Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Effingham's average per capita income is $44,001. Household income levels show a median of $65,718. The poverty rate stands at 14.82%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$98,922	-
Families	$85,297	$98,322
Households	$65,718	$80,235
Non Families	$37,155	$51,728

$44,001

Average Income

$65,718

Median Household Income

14.82%

Poverty Rate