Zip Code 51551 — Malvern, IA
51551 is a ZIP Code associated with Malvern, IA, located within Mills. 51551 ranks #2 out of 7 ZIP codes in Mills County by population (and #298 out of 970 in IA). The area supports an estimated population of 1,842 residents across Data Pending housing units, with a population density of 8.7 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (40.991290, -95.589070)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 51551 |
| Primary City | Malvern |
| State / Province | IA |
| County | Mills |
| Total Population | 1,842 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 8.7 people/sq mi |
| Timezone | America/Chicago |
How 51551 Compares
| Metric | ZIP 51551 | Mills County | IA State Average |
|---|
| Population | 1,842 | 13,496 (Total) | 3,210,984 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 8.7 /sq mi | -- | -- |
| County Pop Rank | #2 of 7 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →