Kilbourne Flag

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 2026 population of 254. Kilbourne is currently declining at a rate of -0.78% annually and its population has decreased by -5.22% since the most recent census, which recorded a population of 268 in 2020.

The median household income in Kilbourne is $44,107 with a poverty rate of 15.67%. The median age in Kilbourne is 33.8 years: 32.5 years for males, and 33.8 years for females. For every 100 females there are 91.4 males.

254
Total Population
286
Density (mi²)
-2 -0.78%
Growth

Kilbourne Population

Kilbourne Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026254-2-0.78%
2025256-3-1.16%
2024259-2-0.77%
2023261-1-0.38%
2022262-2-0.76%
2021264-4-1.49%
2020268-1-0.37%
2019275-3-1.08%
2018278-5-1.77%
201728331.07%
2016280-6-2.1%
2015286-5-1.72%
201429100%
2013291-4-1.36%
2012295-3-1.01%
2011298-4-1.32%
201030200%

Median Age

Overall: 33.8 years
Female: 33.8 years
Male: 32.5 years

Kilbourne Adults

There are 171 adults, (41 of whom are seniors) in Kilbourne.

Sex Ratio

Female: 140 (52.2%)
Male: 128 (47.8%)

Demographics

The racial composition of Kilbourne includes 98.51% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White26498.51%
Two or more races41.49%
Race
Population ↓
Percentage (of total)
White26498.51%
Two or more races41.49%

Kilbourne Marital Status

Economics and Income Statistics

Kilbourne 's average per capita income is $33,021. Household income levels show a median of $44,107. The poverty rate stands at 15.67%.

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$67,500-
Families$49,444$64,561
Households$44,107$54,335
Non Families$34,250$34,617

$33,021

Average Income

$44,107

Median Household Income

15.67%

Poverty Rate

Nearby Cities

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)