Allison Flag

Allison

County:
Butler County
County Seat:
Yes
Area (mi²):
2.931
State:
Iowa

Allison is a city located in Butler County, Iowa. Allison has a 2026 population of 937. It is also the county seat of Butler County. Allison is currently declining at a rate of -0.85% annually and its population has decreased by -3% since the most recent census, which recorded a population of 966 in 2020.

937
Total Population
320
Density (mi²)
-8 -0.85%
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)