Danville is a community in Allegany County, Maryland, home to about 341 people across 1.1 square miles. It has no ZIP code of its own: it’s part of 21557.
Homes sold for a median of $148 per square foot in the three months ending August 2026, a seller’s market.
Population341299 per sq mi
Price per sq ft$148Sold homes, 3 months to August 2026
Each card is that ZIP code’s whole market, including any part outside Danville. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
The Danville guide is on the way
We’re writing up Danville’s story and what everyday life there is like, for people thinking about moving in.
History
What it’s like to live there
Getting around
Things to do
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Around Danville
Distances
Nearest major airport
Washington Dulles International Airport (IAD)87 miles away
Closer regional airport
Morgantown Municipal Airport Walter L. (Bill) Hart Field (MGW)54 miles away
Nearest city of 250,000+
Pittsburgh, PA85 miles away
Nearest city of 1 million+
Philadelphia, PA203 miles away
Straight-line distances from the center of Danville; 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.
Population over time
Danville had 224 residents in the 2020 census, down 17% since 2010.
It’s the 413th largest of 527 towns in Maryland by population.
Allegany County grew from 53,694 residents in 1900 to 68,106 in 2020.
Allegany County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Weather by month
Average highs peak around 89°F in summer, and winter lows average 21°F. About 41.4 inches of rain and melted snow fall in a typical year, with about 34 inches of snow.
Source: NOAA 1991–2020 climate normals, Keyser 2 Ssw, WV weather station (9 miles away).
Jobs in Allegany County
21,366 jobs at 1,430 businesses in Allegany County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Health care
Nearest hospitals
Potomac Valley HospitalCritical access hospital · emergency room · CMS rating 1 of 5 · Keyser9.3 miles
Western Maryland Regional Medical CenterGeneral hospital · emergency room · CMS rating 4 of 5 · Cumberland12.8 miles
Hampshire Memorial HospitalCritical access hospital · emergency room · CMS rating 5 of 5 · Romney17.1 miles
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
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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.