Zip code 51102: Sioux City, Iowa
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 51102
51102 is a non-residential zip code for Sioux City, Iowa (Woodbury County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 51102, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Sioux City
- State
- Iowa
- County
- Woodbury County
- Center point
- 42.3684° N, 96.3180° W
- Time zone
- Central Time (UTC-6, UTC-5 in summer)
- Zip type
- PO box or unique zip
Zip codes near 51102
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 51054 | Sergeant Bluff, IA | 1.2 mi | $119,716 |
| 51052 | Salix, IA | 4.9 mi | $108,750 |
| 51111 | Sioux City, IA | 5.2 mi | — |
| 51106 | Sioux City, IA | 6.6 mi | $78,434 |
| 51007 | Bronson, IA | 7 mi | $117,125 |
| 68030 | Homer, NE | 8.1 mi | $76,442 |
| 68776 | South Sioux City, NE | 9 mi | $68,750 |
| 68731 | Dakota City, NE | 9.3 mi | $79,924 |
| 51101 | Sioux City, IA | 9.5 mi | $15,300 |
| 51105 | Sioux City, IA | 9.9 mi | $51,786 |
| 51030 | Lawton, IA | 11 mi | $86,167 |
| 51055 | Sloan, IA | 12 mi | $72,143 |
Questions about 51102
What city is zip code 51102?
51102 is assigned to Sioux City, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 51102 in?
51102 is in Woodbury County, Iowa.
What time zone is 51102 in?
51102 is in Central Time.
What zip codes are near 51102?
The closest zip codes to 51102 are 51054, 51052, 51111, 51106, 51007.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51102, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.