Alton, Iowa

Alton, Iowa
St. Mary's Catholic Church
Location of Alton, Iowa
Coordinates: 42°59′36″N 96°0′21″W / 42.99333°N 96.00583°W / 42.99333; -96.00583
CountryUSA
StateIowa
CountySioux
IncorporatedMarch 8, 1883
Area
  Total
1.90 sq mi (4.93 km2)
  Land1.90 sq mi (4.93 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
1,316 ft (401 m)
Population
 (2020)
  Total
1,248
  Density656.15/sq mi (253.33/km2)
Time zoneUTC-6 (Central (CST))
  Summer (DST)UTC-5 (CDT)
ZIP code
51003
Area code712
FIPS code19-01585
GNIS feature ID2393936
WebsiteCity of Alton

Alton is a city in Sioux County, Iowa, United States, along the Floyd River. The population was 1,248 at the 2020 census.