Idylwood is a community in Fairfax County, Virginia, home to about 17,559 people across 2.8 square miles. Its ZIP code is 22043, and parts of 22042 and 22046 are in Idylwood too.
Homes sold for a median of $456 per square foot in the three months ending August 2026, a seller’s market.
Mostly Idylwood; also Pimmit Hills and McLean
Mostly West Falls Church; part is in Idylwood
Mostly Falls Church; part is in Idylwood
Each card is that ZIP code’s whole market, including any part outside Idylwood. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Idylwood’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Ronald Reagan Washington National Airport (DCA)9 miles away |
|---|---|
| Nearest city of 250,000+ | Washington, DC9 miles away |
| Nearest city of 1 million+ | Philadelphia, PA134 miles away |
Straight-line distances from the center of Idylwood; 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.
Idylwood had 17,954 residents in the 2020 census, up 12% since 2000.
It’s the 75th 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 88°F in summer, and winter lows average 26°F. About 48.3 inches of rain and melted snow fall in a typical year, with about 6 inches of snow.
Source: NOAA 1991–2020 climate normals, Dalecarlia Rsvr, MD weather station (5 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).
139 doctors and other health care providers list an office in Idylwood.
Nearest hospitals
Providers with an office here
| Primary care doctors | 3 |
|---|---|
| Specialist doctors | 9 |
| Dentists | 24 |
| Nurse practitioners and physician assistants | 12 |
| Mental health providers | 51 |
| Physical and occupational therapists | 36 |
| Optometrists | 2 |
| Chiropractors | 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.
Parks (24 nearby)
Grocery stores (8 nearby)
Pharmacies (4 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 Fairfax County Public Schools, Falls Church City Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Haycock ElementaryFalls Church | Pre-K–6 | 838 | Public | 1.0 mi |
| Lemon Road ElementaryFalls Church | Pre-K–6 | 595 | Public | 0.8 mi |
| Pimmit Early Childhood Resource CenterFalls Church | Pre-K | 33 | Public | 1.8 mi |
| Shrevewood ElementaryFalls Church | Pre-K–6 | 579 | Public | 1.0 mi |
| Westgate ElementaryFalls Church | Pre-K–6 | 614 | Public | 1.9 mi |
| Mary Ellen Henderson MiddleFalls Church | 6–8 | 632 | Public | 0.3 mi |
| Longfellow MiddleFalls Church | 7–8 | 1,226 | Public | 1.3 mi |
| Marshall HighFalls Church | 9–12 | 2,200 | Public | 1.5 mi |
| Meridian HighFalls Church | 9–12 | 893 | Public | 0.3 mi |
| Davis Career CenterFalls Church | — | — | Special Education | 1.5 mi |
| Marshall Governor's STEM AcademyFalls Church | — | — | Career and Technical | 1.5 mi |
| Marshall High School AcademyFalls Church | — | — | Career and Technical | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Oak Hill Montessori LlcFalls Church | Pre-K | 11 | Nonsectarian | 1.4 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 West Falls Church, Falls Church, Pimmit Hills, Annandale, Merrifield and McLean.
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.