Clarksburg is a community in Montgomery County, Maryland, home to about 30,487 people across 9.7 square miles. Its ZIP code is 20871, and parts of 20841 and 20876 are in Clarksburg too.
Homes sold for a median of $226 per square foot in the three months ending August 2026, a seller’s market.
Mostly Clarksburg; also Green Valley
Mostly Germantown; part is in Clarksburg
Mostly Germantown; part is in Clarksburg
Each card is that ZIP code’s whole market, including any part outside Clarksburg. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Clarksburg’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)21 miles away |
|---|---|
| Nearest city of 250,000+ | Washington, DC26 miles away |
| Nearest city of 1 million+ | Philadelphia, PA127 miles away |
Straight-line distances from the center of Clarksburg; 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.
Clarksburg had 29,051 residents in the 2020 census, up 1484% since 2000.
It’s the 43rd largest of 527 towns in Maryland by population.
Montgomery County grew from 30,451 residents in 1900 to 1,062,061 in 2020.
Montgomery 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 25°F. About 48 inches of rain and melted snow fall in a typical year, with about 31 inches of snow.
Source: NOAA 1991–2020 climate normals, Damascus 3 Ssw, MD weather station (4 miles away).
439,792 jobs at 27,677 businesses in Montgomery County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
66 doctors and other health care providers list an office in Clarksburg.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Specialist doctors | 3 |
| Dentists | 8 |
| Nurse practitioners and physician assistants | 19 |
| Mental health providers | 20 |
| Physical and occupational therapists | 12 |
| Optometrists | 1 |
| Pharmacies | 4 |
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 (15 nearby)
Grocery stores (1 nearby)
Pharmacies (2 nearby)
Libraries
Museums
Theaters and performance venues (1 nearby)
Counts are within about 2 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 1752.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Montgomery County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Cabin Branch ElementaryClarksburg | Pre-K–5 | 645 | Public | 0.6 mi |
| Wilson Wims Elementary SchoolClarksburg | Pre-K–5 | 484 | Public | 1.4 mi |
| Clarksburg ElementaryClarksburg | K–5 | 365 | Public | 0.8 mi |
| Little Bennett ElementaryClarksburg | K–5 | 614 | Public | 1.5 mi |
| Snowden Farm ElementaryClarksburg | K–5 | 578 | Public | 1.8 mi |
| Hallie Wells MiddleClarksburg | 6–8 | 931 | Public | 2.4 mi |
| Rocky Hill MiddleClarksburg | 6–8 | 1,010 | Public | 1.1 mi |
| Clarksburg HighClarksburg | 9–12 | 2,241 | Public | 0.9 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Green Valley Montessori SchoolClarksburg | Pre-K–K | 3 | Nonsectarian | 4.6 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 Germantown, Ten Mile Creek and Green Valley.
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.