Thurmont is a town in Frederick County, Maryland, home to about 6,254 people across 3.1 square miles. Its ZIP code is 21788.
Homes sold for a median of $208 per square foot in the three months ending August 2026, a seller’s market.
Mostly Thurmont; also Lewistown and Graceham
Each card is that ZIP code’s whole market, including any part outside Thurmont. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Thurmont’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Thurmont well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Washington Dulles International Airport (IAD)46 miles away |
|---|---|
| Closer regional airport | Hagerstown Regional Richard A Henson Field (HGR)19 miles away |
| Nearest city of 250,000+ | Baltimore, MD47 miles away |
| Nearest city of 1 million+ | Philadelphia, PA123 miles away |
Straight-line distances from the center of Thurmont; 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.
Thurmont had 6,213 residents in the 2020 census, up 11% since 2000.
It’s the 181st largest of 527 towns in Maryland by population.
Frederick County grew from 51,920 residents in 1900 to 271,717 in 2020.
Frederick County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 23°F. About 48.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Catoctin Mtn Park, MD weather station (5 miles away).
95,077 jobs at 6,591 businesses in Frederick County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
30 doctors and other health care providers list an office in Thurmont.
Nearest hospitals
Providers with an office here
| Primary care doctors | 4 |
|---|---|
| Dentists | 5 |
| Nurse practitioners and physician assistants | 9 |
| Mental health providers | 11 |
| Optometrists | 1 |
| Pharmacies | 3 |
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 (6 nearby)
Grocery stores (2 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums
Counts are within about 1.5 miles 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.
Established in 1751.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Frederick County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Lewistown ElementaryThurmont | Pre-K–5 | 152 | Public | 5.0 mi |
| Thurmont PrimaryThurmont | Pre-K–2 | 350 | Public | 0.5 mi |
| Thurmont ElementaryThurmont | 3–5 | 283 | Public | 0.4 mi |
| Thurmont MiddleThurmont | 6–8 | 507 | Public | 0.7 mi |
| Catoctin HighThurmont | 9–12 | 823 | Public | 2.0 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
Buying or selling around Thurmont? Tell us what you need and when. No agents advertise here yet, so we’ll keep your request for up to 30 days and send it to local agents who join. No obligation, and you choose who to work with.
Loading map…
Shares ZIP codes with Lewistown and Graceham.
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.