Allegan Flag

Allegan

County:
Allegan County
County Seat:
Yes
Area (mi²):
3.846
State:
Michigan

Allegan is a city located in Allegan County, Michigan. Allegan has a 2026 population of 5,152. It is also the county seat of Allegan County. Allegan is currently declining at a rate of -0.16% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 5,216 in 2020.

5.2K
Total Population
1,339
Density (mi²)
-8 -0.16%
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)