Point of Rocks is a community in Frederick County, Maryland, home to about 2,462 people across 1.1 square miles. Its ZIP codes are 21777 and 21790.
Homes sold for a median of $216 per square foot across 2 ZIP codes in the three months ending August 2026, and 1 of 2 were seller’s markets.
All in Point of Rocks
Mostly Point of Rocks
Each card is that ZIP code’s whole market, including any part outside Point of Rocks. 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)23 miles away |
|---|---|
| Nearest city of 250,000+ | Washington, DC38 miles away |
| Nearest city of 1 million+ | Philadelphia, PA137 miles away |
Straight-line distances from the center of Point of Rocks; 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.
Point of Rocks had 1,886 residents in the 2020 census, up 29% since 2010.
It’s the 265th 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 89°F in summer, and winter lows average 27°F. About 43.8 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Frederick Police Brks, MD weather station (11 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).
1 doctors and other health care providers list an office in Point of Rocks’s ZIP codes.
Nearest hospitals
Providers with an office here
| Specialist doctors | 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 (2 nearby)
Libraries (1 nearby)
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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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.