ZIP code · Sloan · Iowa · United States
ZIP code 51055 — Sloan
ZIP code 51055 serves Sloan, Iowa.
- Postal code
- 51055Single source Value from one source, not cross-checked.
- City
- Sloan
- County
- Woodbury FIPS 19193
- State
- Iowa
- Country
- United States
- Coordinates
- 42.2427, -96.2306 — precision precise (locality)
View on OpenStreetMap - Population
- 1,189 (ZCTA, ACS 5-year)
- Population density
- 19 / sq mi
- Land area
- 62.8 sq mi (162.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $75,833
- Per-capita income
- $36,471
- Median age
- 47.2
- Households
- 500
- Housing units
- 506
- Median home value
- $208,800
- Median gross rent
- $828 / 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 51055 with another ZIP · ZIPs within 25 miles · distance from 51055
Map of ZIP code 51055
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 30 | 34 | 48 | 61 | 72 | 82 | 85 | 83 | 77 | 63 | 47 | 33 |
| Avg low °F | 10 | 15 | 26 | 37 | 49 | 59 | 63 | 61 | 51 | 38 | 25 | 15 |
| Precip in | 0.7 | 0.9 | 1.8 | 3.1 | 3.9 | 4.3 | 3.4 | 3.9 | 2.8 | 2.2 | 1.3 | 1.0 |
NOAA 1991–2020 climate normals from the nearest station: SIOUX CITY GATEWAY AP (12.8 mi) · NOAA NCEI
Places in ZIP 51055
- 1 schools
- 2 doctors & dentists
- 1 restaurants & cafés
- 1 parks
- 2 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 4 places of worship
- 3 gas 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