ZIP code · Harpers Ferry · Iowa · United States
ZIP code 52146 — Harpers Ferry
ZIP code 52146 serves Harpers Ferry, Iowa.
- Postal code
- 52146Single source Value from one source, not cross-checked.
- City
- Harpers Ferry
- County
- Allamakee FIPS 19005
- State
- Iowa
- Country
- United States
- Coordinates
- 43.1698, -91.2188 — precision precise (locality)
View on OpenStreetMap - Population
- 815 (ZCTA, ACS 5-year)
- Population density
- 10 / sq mi
- Land area
- 81 sq mi (209.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $59,055
- Per-capita income
- $36,983
- Median age
- 62.1
- Households
- 435
- Housing units
- 1,254
- Median home value
- $214,600
- Median gross rent
- $586 / month
- Congressional district
- IA-2 (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
- 563 (from the nearest rate centre)Telephone 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 52146 with another ZIP · ZIPs within 25 miles · distance from 52146
Map of ZIP code 52146
Climate — monthly normals
Warmest month Jul (avg high 83°F), coldest Jan (avg low 10°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 27 | 31 | 44 | 58 | 70 | 79 | 83 | 80 | 73 | 60 | 44 | 32 |
| Avg low °F | 10 | 13 | 25 | 37 | 49 | 59 | 63 | 61 | 53 | 41 | 29 | 17 |
| Precip in | 1.3 | 1.2 | 2.0 | 3.8 | 4.7 | 5.5 | 4.5 | 3.8 | 3.8 | 2.5 | 2.0 | 1.4 |
NOAA 1991–2020 climate normals from the nearest station: LYNXVILLE DAM 9 (6.7 mi) · NOAA NCEI
Places in ZIP 52146
- 2 parks
- 1 libraries
- 1 post offices
- 4 places of worship
- 1 banks
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