Mont Alto is a borough in Franklin County, Pennsylvania, home to about 1,632 people across 0.6 square miles. Its ZIP code is 17237.
Homes sold for a median of $205 per square foot in the three months ending August 2026, a buyer’s market.
Mostly Mont Alto; also Quincy
Each card is that ZIP code’s whole market, including any part outside Mont Alto. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | Washington Dulles International Airport (IAD)62 miles away |
|---|---|
| Closer regional airport | Hagerstown Regional Richard A Henson Field (HGR)13 miles away |
| Nearest city of 250,000+ | Baltimore, MD63 miles away |
| Nearest city of 1 million+ | Philadelphia, PA129 miles away |
Straight-line distances from the center of Mont Alto; 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.
Mont Alto had 1,580 residents in the 2020 census, up 16% since 2000.
It’s the 1374th largest of 2,568 towns in Pennsylvania by population.
Franklin County grew from 54,902 residents in 1900 to 155,932 in 2020.
Franklin County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 81°F in summer, and winter lows average 21°F. About 48.6 inches of rain and melted snow fall in a typical year, with about 33 inches of snow.
Source: NOAA 1991–2020 climate normals, S Mtn, PA weather station (3 miles away).
52,942 jobs at 3,111 businesses in Franklin County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Mont Alto.
Nearest hospitals
Providers with an office here
| Nurse practitioners and physician assistants | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (1 nearby)
Pharmacies
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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Shares ZIP codes with Quincy.
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.