ZIP Code
ZIP Code 51003
Alton, Sioux County, Iowa IA
Population
1,938
Density
13.8/sq mi
Timezone
America/Chicago
Safety Score
50
50
Average
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Overview
ZIP code 51003 is located in Alton, Sioux County, Iowa. The area has a population of approximately 1,938 residents with a population density of 13.8 per square mile. It is in the America/Chicago timezone.
Nearby ZIP Codes
51041 (Orange City, IA)5.4 mi51022 (Granville, IA)7 mi51238 (Hospers, IA)8 mi51036 (Maurice, IA)10.3 mi51045 (Oyens, IA)11.9 mi51050 (Remsen, IA)13.1 mi51250 (Sioux Center, IA)13.4 mi51234 (Boyden, IA)14.6 mi51231 (Archer, IA)15 mi51201 (Sheldon, IA)15.1 mi51046 (Paullina, IA)15.6 mi51031 (Le Mars, IA)15.9 mi