ZIP code · Sioux City · Iowa · United States
ZIP code 51106 — Sioux City
ZIP code 51106 serves Sioux City, Iowa.
- Postal code
- 51106Single source Value from one source, not cross-checked.
- City
- Sioux City
- County
- Woodbury FIPS 19193
- State
- Iowa
- Country
- United States
- Coordinates
- 42.4671, -96.3528 — precision precise (locality)
View on OpenStreetMap - Population
- 28,381 (ZCTA, ACS 5-year)
- Population density
- 847 / sq mi
- Land area
- 33.5 sq mi (86.8 km²) (ZCTA, ACS 5-year)
- Median household income
- $74,486
- Per-capita income
- $37,054
- Median age
- 36
- Households
- 11,102
- Housing units
- 11,681
- Median home value
- $186,300
- Median gross rent
- $1,080 / month
- Congressional district
- IA-4 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 712Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 51106 with another ZIP · ZIPs within 25 miles · distance from 51106
Map of ZIP code 51106
Climate — monthly normals
Warmest month Jul (avg high 86°F), coldest Jan (avg low 9°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 35 | 47 | 61 | 72 | 82 | 86 | 83 | 77 | 64 | 47 | 34 |
| Avg low °F | 9 | 13 | 24 | 35 | 47 | 58 | 63 | 61 | 51 | 37 | 24 | 14 |
| Precip in | 0.7 | 0.9 | 1.6 | 3.1 | 4.4 | 4.6 | 3.4 | 3.9 | 3.0 | 2.4 | 1.4 | 1.0 |
NOAA 1991–2020 climate normals from the nearest station: SIOUX CITY ANG (5.0 mi) · NOAA NCEI
Places in ZIP 51106
- 10 schools
- 3 colleges & universities
- 3 hospitals & clinics
- 8 doctors & dentists
- 3 pharmacies
- 5 supermarkets
- 61 restaurants & cafés
- 8 bars & pubs
- 14 parks
- 11 playgrounds
- 5 gyms & sports centres
- 1 libraries
- 35 places of worship
- 17 banks
- 10 gas stations
- 2 EV charging stations
- 2 police & fire stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page