U.S. ZIP Code tools

51102 · ZIP Code · Sioux City IA

ZIP Code
51102

Sioux City, IA

City / locality
Sioux City
State
Iowa
ZIP Code type
Type not provided
Latitude
42.3684
Longitude
-96.318
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

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ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

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A verified ZCTA boundary is not available for this code.

Population & demographics

Population & demographics

ACS estimates are not available for this ZCTA and selected year.

County

Verified ZIP-to-county crosswalk data is not currently available.

Nearby postal codes

ZIP CodeCity / localityStateDistance calculator
51054Sergeant BluffIA2.94 Miles / 4.73 km
51052SalixIA3.03 Miles / 4.88 km
51111Sioux CityIA3.90 Miles / 6.28 km
68731Dakota CityNE6.97 Miles / 11.22 km
51106Sioux CityIA7.05 Miles / 11.34 km
51007BronsonIA7.40 Miles / 11.91 km
68030HomerNE7.94 Miles / 12.78 km
68776South Sioux CityNE8.44 Miles / 13.58 km
51055SloanIA9.77 Miles / 15.72 km
51105Sioux CityIA9.88 Miles / 15.91 km

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer