Alton, IA Insights: Population,
Zip Codes, Influence, and Service Areas

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

Zip Codes in Alton, IA that we also serve: 51003





Cities Close To Alton, IA That We Also Serve



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