Mount Carroll

County:: Carroll County
County Seat:: Yes
Area (mi²):: 2.003
State:: Illinois

Mount Carroll is a city located in Carroll County, Illinois. Mount Carroll has a 2025 population of 1,418. It is also the county seat of Carroll County. Mount Carroll is currently declining at a rate of -0.77% annually and its population has decreased by -3.86% since the most recent census, which recorded a population of 1,475 in 2020.

The average household income in Mount Carroll is $73,592 with a poverty rate of 10.4%.The median age in Mount Carroll is 44.6 years: 44.9 years for males, and 44.5 years for females.

Demographics

The racial composition of Mount Carroll includes 93.8% White, and smaller percentages for Two or more races, Asian, Black or African American, other race and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	1,421	93.8%
Two or more races	34	2.24%
Asian	33	2.18%
Black or African American	16	1.06%
Other race	11	0.73%

Mount Carroll Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mount Carroll's average per capita income is $38,924. Household income levels show a median of $59,167. The poverty rate stands at 10.4%.

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	$88,571	-
Families	$72,656	$85,937
Households	$59,167	$73,592
Non Families	$46,346	$48,183

$38,924

Average Income

$59,167

Median Household Income

10.4%

Poverty Rate