Dundalk is a community in Baltimore County, Maryland, home to about 65,969 people across 13 square miles. Its ZIP code is 21222, and parts of 21219 and 21224 are in Dundalk too.
Homes sold for a median of $179 per square foot in the three months ending August 2026, a seller’s market.
Mostly Dundalk; also Baltimore
Mostly Edgemere; part is in Dundalk
Mostly Baltimore; part is in Dundalk
Each card is that ZIP code’s whole market, including any part outside Dundalk. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Dundalk’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Baltimore/Washington International Thurgood Marshall Airport (BWI)11 miles away |
|---|---|
| Nearest city of 250,000+ | Baltimore, MD6 miles away |
| Nearest city of 1 million+ | Philadelphia, PA89 miles away |
Straight-line distances from the center of Dundalk; 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.
Dundalk had 67,796 residents in the 2020 census, up 9% since 2000.
It’s the 12th largest of 527 towns in Maryland by population.
Baltimore County grew from 90,755 residents in 1900 to 854,535 in 2020.
Baltimore County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 30°F. About 44 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Md Sci Ctr Baltimore, MD weather station (6 miles away).
340,854 jobs at 20,340 businesses in Baltimore County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
244 doctors and other health care providers list an office in Dundalk.
Nearest hospitals
Providers with an office here
| Primary care doctors | 21 |
|---|---|
| Specialist doctors | 12 |
| Dentists | 23 |
| Nurse practitioners and physician assistants | 44 |
| Mental health providers | 92 |
| Physical and occupational therapists | 44 |
| Optometrists | 5 |
| Chiropractors | 3 |
| Pharmacies | 21 |
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 (48 nearby)
Grocery stores (13 nearby)
Pharmacies (9 nearby)
Libraries (3 nearby)
Museums (7 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 2.5 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 1856.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Baltimore County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Battle Grove ElementaryBaltimore | Pre-K–5 | 333 | Public | 1.6 mi |
| Battle Monument SchoolBaltimore | Pre-K–12 | 63 | Special Education | 1.1 mi |
| Bear Creek ElementaryBaltimore | Pre-K–5 | 461 | Public | 1.2 mi |
| Charlesmont ElementaryBaltimore | Pre-K–5 | 373 | Public | 1.0 mi |
| Dundalk ElementaryBaltimore | Pre-K–5 | 757 | Public | 1.0 mi |
| Grange ElementaryBaltimore | Pre-K–5 | 483 | Public | 0.3 mi |
| Logan ElementaryBaltimore | Pre-K–5 | 556 | Public | 0.8 mi |
| Norwood ElementaryBaltimore | Pre-K–3 | 521 | Public | 0.9 mi |
| Sandy Plains ElementaryBaltimore | Pre-K–5 | 580 | Public | 1.2 mi |
| Holabird MiddleBaltimore | 4–8 | 1,027 | Public | 0.8 mi |
| Dundalk MiddleBaltimore | 6–8 | 598 | Public | 0.8 mi |
| General John Stricker MiddleBaltimore | 6–8 | 713 | Public | 0.8 mi |
| Dundalk HighBaltimore | 9–12 | 2,087 | Public | 0.6 mi |
| Patapsco High and Center for ArtsBaltimore | 9–12 | 1,385 | Public | 0.9 mi |
| Sollers Point Technical High SchoolBaltimore | 9–12 | — | Career and Technical | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Calvary Baptist SchoolBaltimore | Pre-K–12 | 100 | Baptist | 1.2 mi |
| Our Lady of Hope St Luke SchoolBaltimore | Pre-K–8 | 222 | Roman Catholic | 0.7 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 Baltimore and Edgemere.
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.