Lacon Flag

Lacon

County:
Marshall County
County Seat:
Yes
Area (mi²):
1.6
State:
Illinois

Lacon is a city located in Marshall County, Illinois. Lacon has a 2025 population of 1,853. It is also the county seat of Marshall CountyLacon is currently declining at a rate of -0.16% annually and its population has decreased by -0.8% since the most recent census, which recorded a population of 1,868 in 2020.

The average household income in Lacon is $75,515 with a poverty rate of 14.32%.The median age in Lacon is 41.4 years: 39.3 years for males, and 44 years for females.

1.9K
Total Population
1,158
Density (mi²)
-3 -0.16%
Growth

Lacon Population

Demographics

Economics and Income Statistics

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)