ZIP code · Malvern · Iowa · United States
ZIP code 51551 — Malvern
ZIP code 51551 serves Malvern, Iowa.
- Postal code
- 51551Single source Value from one source, not cross-checked.
- City
- Malvern
- County
- Mills FIPS 19129
- State
- Iowa
- Country
- United States
- Coordinates
- 41.0074, -95.5840 — precision precise (locality)
View on OpenStreetMap - Population
- 1,877 (ZCTA, ACS 5-year)
- Population density
- 23 / sq mi
- Land area
- 81.9 sq mi (212.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $82,218
- Per-capita income
- $46,939
- Median age
- 42
- Households
- 658
- Housing units
- 757
- Median home value
- $184,300
- Median gross rent
- $867 / month
- Congressional district
- IA-4 (119th Congress)
- USDA hardiness zone
- 5b (-15 to -10 °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 51551 with another ZIP · ZIPs within 25 miles · distance from 51551
Map of ZIP code 51551
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 12°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 33 | 38 | 52 | 64 | 74 | 83 | 87 | 85 | 79 | 67 | 51 | 38 |
| Avg low °F | 12 | 16 | 28 | 38 | 50 | 61 | 65 | 62 | 53 | 40 | 28 | 18 |
| Precip in | 0.7 | 1.0 | 2.0 | 3.7 | 5.2 | 6.0 | 4.3 | 3.8 | 3.3 | 2.3 | 1.3 | 1.2 |
NOAA 1991–2020 climate normals from the nearest station: GLENWOOD 3SW (9.9 mi) · NOAA NCEI
Places in ZIP 51551
- 5 schools
- 1 hospitals & clinics
- 1 pharmacies
- 1 supermarkets
- 2 restaurants & cafés
- 1 bars & pubs
- 2 parks
- 1 gyms & sports centres
- 1 libraries
- 1 post offices
- 4 places of worship
- 1 banks
- 2 gas stations
- 1 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