U.S. ZIP Code tools
51103 · ZIP Code · Sioux City IA
Sioux City, IA
- City / locality
- Sioux City
- State
- Iowa
- ZIP Code type
- Type not provided
- Latitude
- 42.5068
- Longitude
- -96.4295
- 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.
ZIP Code map
ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.
Population & demographics
acs/acs5 · 2024
ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.
Estimated population
16,895People · Margin of error ±987Median age
35.5Years · Margin of error ±2.3Median household income
58,197USD · Margin of error ±5,883Total households
6,402Households · Margin of error ±433County
Verified ZIP-to-county crosswalk data is not currently available.
Nearby postal codes
| ZIP Code | City / locality | State | Distance calculator |
|---|---|---|---|
| 51101 | Sioux City | IA | 1.51 Miles / 2.43 km |
| 51104 | Sioux City | IA | 1.96 Miles / 3.15 km |
| 51105 | Sioux City | IA | 2.39 Miles / 3.84 km |
| 51109 | Sioux City | IA | 2.69 Miles / 4.32 km |
| 68776 | South Sioux City | NE | 2.90 Miles / 4.67 km |
| 57049 | North Sioux City | SD | 4.16 Miles / 6.69 km |
| 51108 | Sioux City | IA | 4.43 Miles / 7.12 km |
| 51106 | Sioux City | IA | 4.77 Miles / 7.68 km |
| 51111 | Sioux City | IA | 7.39 Miles / 11.89 km |
| 51054 | Sergeant Bluff | IA | 8.22 Miles / 13.23 km |
Source
Source year: 2020 Census ZCTA cartographic
U.S. Census Bureau ZCTA cartographic boundaries