Randallstown is a community in Baltimore County, Maryland, home to about 35,957 people across 10 square miles. Its ZIP codes are 21133 and 21163, and parts of 21208 and 21244 are in Randallstown too.
Homes sold for a median of $224 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Randallstown; also Milford Mill
Mostly Randallstown; also Ellicott City
Mostly Pikesville; part is in Randallstown
Mostly Milford Mill; part is in Randallstown
Each card is that ZIP code’s whole market, including any part outside Randallstown. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Randallstown’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)15 miles away |
|---|---|
| Nearest city of 250,000+ | Baltimore, MD11 miles away |
| Nearest city of 1 million+ | Philadelphia, PA99 miles away |
Straight-line distances from the center of Randallstown; 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.
Randallstown had 33,655 residents in the 2020 census, up 9% since 2000.
It’s the 30th 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 (12 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).
383 doctors and other health care providers list an office in Randallstown’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 42 |
|---|---|
| Specialist doctors | 60 |
| Dentists | 14 |
| Nurse practitioners and physician assistants | 147 |
| Mental health providers | 93 |
| Physical and occupational therapists | 22 |
| Optometrists | 1 |
| Chiropractors | 4 |
| Pharmacies | 16 |
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 (13 nearby)
Grocery stores (4 nearby)
Pharmacies (4 nearby)
Libraries (1 nearby)
Museums
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 1824.
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 |
|---|---|---|---|---|
| Church Lane ElementaryRandallstown | Pre-K–5 | 273 | Public | 0.9 mi |
| Hernwood ElementaryRandallstown | Pre-K–5 | 350 | Public | 1.9 mi |
| Randallstown ElementaryRandallstown | K–5 | 322 | Public | 0.1 mi |
| Deer Park Middle Magnet SchoolRandallstown | 6–8 | 1,127 | Public | 1.8 mi |
| Randallstown HighRandallstown | 9–12 | 1,091 | Public | 0.9 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.
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Shares ZIP codes with Milford Mill, Pikesville, Woodlawn (Baltimore County), Lochearn, Garrison, Ellicott City and Baltimore.
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.