Williamson Flag

Williamson

County:
Macoupin County
County Seat:
No
Area (mi²):
1.171
State:
Illinois

Williamson is a village located in Macoupin County, Illinois. Williamson has a 2026 population of 174. Williamson is currently declining at a rate of -0.57% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 180 in 2020.

174
Total Population
149
Density (mi²)
-1 -0.57%
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)