Harpers Ferry is a city in Allamakee County, Iowa, home to about 253 people across 0.6 square miles. Its ZIP code is 52146.
Homes sold for a median of $198 per square foot in the three months ending August 2026, a seller’s market.
Each card is that ZIP code’s whole market, including any part outside Harpers Ferry. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Harpers Ferry’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP)154 miles away |
|---|---|
| Closer regional airport | La Crosse Regional Airport (LSE)49 miles away |
| Nearest city of 250,000+ | Madison, WI90 miles away |
| Nearest city of 1 million+ | Chicago, IL202 miles away |
Straight-line distances from the center of Harpers Ferry; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Harpers Ferry had 262 residents in the 2020 census, down 21% since 2000.
It’s the 647th largest of 1,019 towns in Iowa by population.
Allamakee County grew from 18,711 residents in 1900 to 14,061 in 2020.
Allamakee County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 83°F in summer, and winter lows average 10°F. About 36.6 inches of rain and melted snow fall in a typical year, with about 36 inches of snow.
Source: NOAA 1991–2020 climate normals, Lynxville Dam 9, WI weather station (7 miles away).
3,775 jobs at 365 businesses in Allamakee County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Libraries
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.