ZIP Code 51003
About Alton
Alton is a city in Sioux County, Iowa, United States, along the Floyd River. The population was 1,248 at the 2020 census.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
1,815
population
$85,909
median household income
33
people / sq mi
$226,300
median home value
$750
median gross rent
34.7
median age
762
housing units
708
households
54.3
land area (sq mi)