Denison, Iowa

Denison, Iowa
City
Downtown Denison
Location of Denison, Iowa
Coordinates: 42°00′58″N 95°21′10″W / 42.01611°N 95.35278°W / 42.01611; -95.35278
CountryUSA
State Iowa
CountyCrawford
Government
  MayorPam Soseman
Area
  Total
6.57 sq mi (17.03 km2)
  Land6.55 sq mi (16.96 km2)
  Water0.03 sq mi (0.07 km2)
Elevation
1,257 ft (383 m)
Population
 (2020)
  Total
8,373
  Density1,278.91/sq mi (493.80/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
51442
Area code712
FIPS code19-19945
GNIS feature ID2394514
Websitewww.denisonia.com

Denison is a city in Crawford County, Iowa, United States, along the Boyer River, and located in both Denison Township and East Boyer Township. The population was 8,373 at the time of the 2020 census. It is the county seat of Crawford County.