Lanark Flag

Lanark

County:
Carroll County
County Seat:
No
Area (mi²):
1.121
State:
Illinois

Lanark is a city located in Carroll County, Illinois. Lanark has a 2026 population of 1,463. Lanark is currently declining at a rate of -0.54% annually and its population has decreased by -3.11% since the most recent census, which recorded a population of 1,510 in 2020.

1.5K
Total Population
1,306
Density (mi²)
-8 -0.54%
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)