Garrison is a community in Baltimore County, Maryland, home to about 9,469 people across 3.2 square miles. It has no ZIP code of its own: it’s part of 21117 and 21208.
Homes sold for a median of $197 per square foot across 2 ZIP codes in the three months ending August 2026, and all of them were seller’s markets.
Mostly Owings Mills; part is in Garrison
Mostly Pikesville; part is in Garrison
Each card is that ZIP code’s whole market, including any part outside Garrison. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Garrison’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)17 miles away |
|---|---|
| Nearest city of 250,000+ | Baltimore, MD11 miles away |
| Nearest city of 1 million+ | Philadelphia, PA96 miles away |
Straight-line distances from the center of Garrison; 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.
Garrison had 9,487 residents in the 2020 census, up 19% since 2000.
It’s the 144th 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).
1,643 doctors and other health care providers list an office in Garrison’s ZIP codes.
Nearest hospitals
Providers with an office here
| Primary care doctors | 120 |
|---|---|
| Specialist doctors | 259 |
| Dentists | 137 |
| Nurse practitioners and physician assistants | 252 |
| Mental health providers | 532 |
| Physical and occupational therapists | 305 |
| Optometrists | 15 |
| Chiropractors | 23 |
| Pharmacies | 47 |
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.
Grocery stores (3 nearby)
Pharmacies (2 nearby)
Libraries (2 nearby)
Museums
Theaters and performance venues (1 nearby)
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.
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 |
|---|---|---|---|---|
| Bedford ElementaryBaltimore | Pre-K–5 | 586 | Public | 3.5 mi |
| Deer Park ElementaryOwings Mills | Pre-K–5 | 384 | Public | 3.4 mi |
| Fort Garrison ElementaryBaltimore | Pre-K–5 | 283 | Public | 2.9 mi |
| Lyons Mill ElementaryOwings Mills | Pre-K–5 | 671 | Public | 2.6 mi |
| New Town ElementaryOwings Mills | Pre-K–5 | 772 | Public | 3.1 mi |
| Owings Mills ElementaryOwings Mills | Pre-K–5 | 666 | Public | 2.3 mi |
| Timber Grove ElementaryOwings Mills | Pre-K–5 | 608 | Public | 3.2 mi |
| Wellwood International SchoolPikesville | Pre-K–7 | 316 | Public | 4.0 mi |
| Winand ElementaryBaltimore | Pre-K–5 | 426 | Public | 2.3 mi |
| Woodholme ElementaryBaltimore | Pre-K–5 | 685 | Public | 1.2 mi |
| Northwest Academy of Health SciencesBaltimore | 6–8 | 808 | Public | 2.8 mi |
| Pikesville MiddleBaltimore | 6–8 | 943 | Public | 3.3 mi |
| Sudbrook Magnet MiddleBaltimore | 6–8 | 821 | Public | 3.7 mi |
| New Town HighOwings Mills | 9–12 | 1,414 | Public | 3.0 mi |
| Owings Mills HighOwings Mills | 9–12 | 1,040 | Public | 2.3 mi |
| Pikesville HighBaltimore | 9–12 | 908 | Public | 3.7 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Beth Tfiloh Dahan Community SchoolBaltimore | Pre-K–12 | 689 | Jewish | 3.0 mi |
| Garrison Forest SchoolOwings Mills | Pre-K–12 | 475 | Nonsectarian | 0.4 mi |
| Goldsmith Early Childhood Education CenterBaltimore | Pre-K–K | 32 | Jewish | 2.4 mi |
| Jewels SchoolPikesville | Pre-K–7 | 33 | Jewish | 2.7 mi |
| Liberty Christian SchoolOwings Mills | Pre-K–8 | 181 | Presbyterian | 6.1 mi |
| Mcdonogh SchoolOwings Mills | Pre-K–12 | 1,416 | Nonsectarian | 1.3 mi |
| Milford Mill Church Child Development CenterBaltimore | Pre-K–K | 3 | Methodist | 3.4 mi |
| Ohr Chadash AcademyPikesville | Pre-K–8 | 238 | Jewish | 3.6 mi |
| St Thomas Pre SchoolOwings Mills | Pre-K–K | 11 | Episcopal | 1.1 mi |
| Talmudical Academy of Baltimore, Inc.Baltimore | Pre-K–12 | 906 | Jewish | 2.7 mi |
| The Park School of BaltimoreBaltimore | Pre-K–12 | 839 | Nonsectarian | 4.4 mi |
| Torah InstituteOwings Mills | Pre-K–8 | 736 | Jewish | 1.1 mi |
| Yeshivas Toras SimchaPikesville | Pre-K–8 | 129 | Jewish | 2.8 mi |
| Childrens Magnet Montessori SchoolOwings Mills | K–1 | 17 | Nonsectarian | 1.8 mi |
| Krieger Schechter Day SchoolBaltimore | K–8 | 312 | Jewish | 2.4 mi |
| Jemicy SchoolOwnings Mills | 1–12 | 450 | Nonsectarian | 1.8 mi |
| Shafer Center for Early Intervention- theOwings Mills | 1–5 | 25 | Nonsectarian | 2.7 mi |
| Harbour School at BaltimoreOwings Mills | 2–12 | 185 | Nonsectarian | 2.8 mi |
| Talmudical Academy-BaltimoreBaltimore | 3–12 | 271 | Jewish | 2.6 mi |
| Israel Henry Beren High SchoolBaltimore | 9–12 | 239 | Jewish | 1.2 mi |
| Mesivta Kesser Torah of BaltimorePikesville | 9–12 | 96 | Jewish | 1.5 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 Owings Mills, Pikesville, Lochearn, Reisterstown, Randallstown, Milford Mill 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.