Dahlgren Flag

Dahlgren

County:
Hamilton County
County Seat:
No
Area (mi²):
1.017
State:
Illinois

Dahlgren is a village located in Hamilton County, Illinois. Dahlgren has a 2026 population of 493. Dahlgren is currently declining at a rate of -0.8% annually and its population has decreased by -1.99% since the most recent census, which recorded a population of 503 in 2020.

493
Total Population
485
Density (mi²)
-4 -0.8%
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)