Brunswick is a city in Frederick County, Maryland, home to about 8,450 people across 3.3 square miles. Its ZIP codes are 21716 and 21758.
Homes sold for a median of $194 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
All in Brunswick
Mostly Brunswick; also Rosemont and Garretts Mill
Each card is that ZIP code’s whole market, including any part outside Brunswick. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Brunswick’s story and what everyday life there is like, for people thinking about moving in.
Are you a local agent who knows Brunswick well? Agents who advertise here will be able to write the guide. Advertise on OfferBacked
| Nearest major airport | Washington Dulles International Airport (IAD)28 miles away |
|---|---|
| Nearest city of 250,000+ | Washington, DC44 miles away |
| Nearest city of 1 million+ | Philadelphia, PA141 miles away |
Straight-line distances from the center of Brunswick; 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.
Brunswick had 7,762 residents in the 2020 census, up 59% since 2000.
It’s the 157th 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 86°F in summer, and winter lows average 21°F. About 43.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Sharpsburg 5 S, MD weather station (7 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).
45 doctors and other health care providers list an office in Brunswick’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 11 |
|---|---|
| Dentists | 6 |
| Nurse practitioners and physician assistants | 8 |
| Mental health providers | 12 |
| Physical and occupational therapists | 7 |
| Optometrists | 1 |
| Pharmacies | 5 |
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 (8 nearby)
Grocery stores (1 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 1787.
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, Washington County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Brunswick ElementaryBrunswick | Pre-K–5 | 804 | Public | 0.4 mi |
| Pleasant Valley ElementaryKnoxville | Pre-K–5 | 186 | Public | 3.6 mi |
| Brunswick MiddleBrunswick | 6–8 | 638 | Public | 1.4 mi |
| Brunswick HighBrunswick | 9–12 | 910 | Public | 1.1 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 Brunswick? 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 Rosemont, Garretts Mill, Sandy Hook and Yarrowsburg.
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.