Great Falls is a community in Fairfax County, Virginia, home to about 15,228 people across 25 square miles. Its ZIP code is 22066, and parts of 22102 are in Great Falls too.
Homes sold for a median of $361 per square foot in the three months ending August 2026, a seller’s market.
Mostly Great Falls; also McLean and Lowes Island
Mostly McLean; part is in Great Falls
Each card is that ZIP code’s whole market, including any part outside Great Falls. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Great Falls’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)9 miles away |
|---|---|
| Nearest city of 250,000+ | Washington, DC17 miles away |
| Nearest city of 1 million+ | Philadelphia, PA135 miles away |
Straight-line distances from the center of Great Falls; 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.
Great Falls had 15,953 residents in the 2020 census, up 87% since 2000.
It’s the 92nd largest of 669 towns in Virginia by population.
Fairfax County grew from 18,580 residents in 1900 to 1,150,309 in 2020.
Fairfax County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 84°F in summer, and winter lows average 23°F. About 43.5 inches of rain and melted snow fall in a typical year, with about 19 inches of snow.
Source: NOAA 1991–2020 climate normals, Vienna, VA weather station (8 miles away).
696,002 jobs at 31,931 businesses in Fairfax County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
73 doctors and other health care providers list an office in Great Falls.
Nearest hospitals
Providers with an office here
| Primary care doctors | 13 |
|---|---|
| Specialist doctors | 15 |
| Dentists | 9 |
| Nurse practitioners and physician assistants | 6 |
| Mental health providers | 11 |
| Physical and occupational therapists | 11 |
| Optometrists | 4 |
| Chiropractors | 4 |
| 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 (20 nearby)
Grocery stores (2 nearby)
Pharmacies (2 nearby)
Libraries (1 nearby)
Museums (5 nearby)
Theaters and performance venues
Counts are within about 3.5 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.
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 Fairfax County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Forestville ElementaryGreat Falls | Pre-K–6 | 571 | Public | 1.4 mi |
| Great Falls ElementaryGreat Falls | Pre-K–6 | 513 | Public | 0.6 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Minas School of Great FallsGreat Falls | K–8 | 16 | Nonsectarian | 0.8 mi |
| Siena AcademyGreat Falls | Ungraded | 103 | Roman Catholic | 1.1 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 McLean, Tysons and Lowes Island.
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.