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 259. Kilbourne is currently declining at a rate of -0.77% annually and its population has decreased by -3.36% since the most recent census, which recorded a population of 268 in 2020.

259
Total Population
291
Density (mi²)
-2 -0.77%
Growth

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)