Allison, Iowa

Allison, Iowa
Downtown Allison, Iowa, March 2008
Location of Allison, Iowa
Coordinates: 42°44′57″N 92°47′45″W / 42.74917°N 92.79583°W / 42.74917; -92.79583
CountryUSA
StateIowa
CountyButler
Government
  TypeMunicipal city
Area
  Total
2.93 sq mi (7.59 km2)
  Land2.93 sq mi (7.59 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
1,047 ft (319 m)
Population
 (2020)
  Total
966
  Density329.58/sq mi (127.24/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
50602
Area code319
FIPS code19-01315
GNIS feature ID2393924
Websitewww.cityofallisonia.gov

Allison is a city in, and the county seat of, Butler County, Iowa, United States. The population was 966 at the 2020 census. Allison is home to the Butler County Fair. The city was named for U.S. Senator William B. Allison in 1881.