Kilbourne

County:: Mason County
County Seat:: No
Area (mi²):: 0.889
State:: Illinois

Kilbourne is a village located in Mason County, Illinois. Kilbourne has a 2025 population of 250. Kilbourne is currently declining at a rate of -1.19% annually and its population has decreased by -6.37% since the most recent census, which recorded a population of 267 in 2020.

The average household income in Kilbourne is $52,222 with a poverty rate of 20.22%.The median age in Kilbourne is 33.5 years: 37.5 years for males, and 31.7 years for females.

Demographics

The racial composition of Kilbourne includes 98.9% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	269	98.9%
Two or more races	3	1.1%

Kilbourne Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Kilbourne's average per capita income is $30,000. Household income levels show a median of $40,625. The poverty rate stands at 20.22%.

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	$61,875	-
Families	$46,071	$62,642
Households	$40,625	$52,222
Non Families	$28,750	$31,206

$30,000

Average Income

$40,625

Median Household Income

20.22%

Poverty Rate