Big Spring is a community in Washington County, Maryland, home to about 21 people across 0.1 square miles. It has no ZIP code of its own: it’s part of 21722.
Homes sold for a median of $195 per square foot in the three months ending August 2026, a seller’s market.
Part is in Big Spring, part in Wilson-Conococheague and Clear Spring
Each card is that ZIP code’s whole market, including any part outside Big Spring. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Big Spring’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Washington Dulles International Airport (IAD)55 miles away |
|---|---|
| Closer regional airport | Hagerstown Regional Richard A Henson Field (HGR)10 miles away |
| Nearest city of 250,000+ | Washington, DC71 miles away |
| Nearest city of 1 million+ | Philadelphia, PA149 miles away |
Straight-line distances from the center of Big Spring; 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.
Big Spring had 85 residents in the 2020 census, up 1% since 2010.
It’s the 519th largest of 527 towns in Maryland by population.
Washington County grew from 45,133 residents in 1900 to 154,705 in 2020.
Washington County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 25°F. About 35.6 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hagerstown Washington Co Ap, MD weather station (10 miles away).
61,729 jobs at 3,417 businesses in Washington County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
5 doctors and other health care providers list an office in Big Spring.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|---|
| Nurse practitioners and physician assistants | 1 |
| Mental health providers | 3 |
| Pharmacies | 2 |
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.
Public schools here are run by Washington County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Clear Spring ElementaryClear Spring | Pre-K–5 | 398 | Public | 1.6 mi |
| Clear Spring MiddleClear Spring | 6–8 | 301 | Public | 1.7 mi |
| Clear Spring HighClear Spring | 9–12 | 478 | Public | 1.7 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 Wilson-Conococheague, Clear Spring, Charlton and Fairview.
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.