Mount Lena is a community in Washington County, Maryland, home to about 391 people across 1.3 square miles. It has no ZIP code of its own: it’s part of 21713.
Homes sold for a median of $207 per square foot in the three months ending August 2026, a seller’s market.
Mostly Boonsboro; part is in Mount Lena
Each card is that ZIP code’s whole market, including any part outside Mount Lena. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Lena’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Washington Dulles International Airport (IAD)44 miles away |
|---|---|
| Closer regional airport | Hagerstown Regional Richard A Henson Field (HGR)11 miles away |
| Nearest city of 250,000+ | Washington, DC58 miles away |
| Nearest city of 1 million+ | Philadelphia, PA140 miles away |
Straight-line distances from the center of Mount Lena; 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.
Mount Lena had 547 residents in the 2020 census, up 9% since 2000.
It’s the 397th largest of 527 towns in Maryland by population.
Washington County grew from 45,133 residents in 1900 to 154,705 in 2020.
Washington County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 86°F in summer, and winter lows average 22°F. About 43.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hagerstown 1 E, MD weather station (6 miles away).
61,729 jobs at 3,417 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
40 doctors and other health care providers list an office in Mount Lena.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Specialist doctors | 2 |
| Dentists | 3 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 14 |
| Physical and occupational therapists | 7 |
| Chiropractors | 1 |
| Pharmacies | 2 |
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.
Grocery stores
Pharmacies
Libraries
Museums
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.
Public schools here are run by Washington County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Boonsboro ElementaryBoonsboro | Pre-K–5 | 514 | Public | 3.6 mi |
| Greenbrier ElementaryBoonsboro | Pre-K–5 | 259 | Public | 3.5 mi |
| Boonsboro MiddleBoonsboro | 6–8 | 673 | Public | 3.6 mi |
| Boonsboro HighBoonsboro | 9–12 | 838 | Public | 3.4 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Tri State Christian Academydba Boonsboro AcademyBoonsboro | 10–11 | 2 | Pentecostal | 2.7 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Boonsboro, Mapleville, San Mar, Tilghmanton, Fairplay, Breathedsville and Bakersville.
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.