Zip Code 52146 — Harpers Ferry, IA
52146 is a ZIP Code associated with Harpers Ferry, IA, located within Allamakee. 52146 ranks #6 out of 8 ZIP codes in Allamakee County by population (and #556 out of 970 in IA). The area supports an estimated population of 752 residents across Data Pending housing units, with a population density of 3.6 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (43.188260, -91.195880)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 52146 |
| Primary City | Harpers Ferry |
| State / Province | IA |
| County | Allamakee |
| Total Population | 752 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 3.6 people/sq mi |
| Timezone | America/Chicago |
How 52146 Compares
| Metric | ZIP 52146 | Allamakee County | IA State Average |
|---|
| Population | 752 | 16,701 (Total) | 3,210,984 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 3.6 /sq mi | -- | -- |
| County Pop Rank | #6 of 8 | -- | -- |
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 →