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Where am ILOCATED

Fairfax County, Virginia

Fairfax County, Virginia, has 1,167,873 residents (July 2025 estimate). Its county seat is Fairfax. It uses Eastern Time and covers 391 sq mi (1,013 km²) of land.

Virginia BeachArlington
Fairfax County in Virginia
Prince George's CountyArlington CountyPrince William CountyFairfax cityFalls Church cityCentrevilleRestonMcLeanBurke
Fairfax County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
1,167,873
Land area
391 sq mi (1,013 km²)
County seat or government
Fairfax
Time zone
Eastern TimeUTC-05:00 in January; UTC-04:00 in July
Median household income
$153,637 ± $1,635
Median home value
$732,800 ± $4,766
Median rent, with utilities
$2,276 ± $15
Homes lived in by their owners
68.6% ± 0.5 points
County type
County
Metro or micro area
Washington-Arlington-Alexandria, DC-VA-MD-WV metro areaCentral county
Water area
15.4 sq mi (40 km²)
State
Virginia
County code (FIPS)
51059
Coordinates (central point)
38.829520, -77.273252
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Fairfax County

Time zoneLocal time and UTC offsetNext clock change
Eastern TimeAmerica/New_YorkUTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 2203061,332 people
  2. 2200357,755 people
  3. 2017151,286 people
  4. 2230448,613 people
  5. 2201544,647 people
  6. 2017043,866 people
  7. 2012042,896 people
  8. 2203339,526 people
  9. 2203137,276 people
  10. 2204235,483 people
  11. 2220735,479 people
  12. 2207935,284 people
All 49
  1. 2230934,316 people
  2. 2215332,664 people
  3. 2019131,011 people
  4. 2210130,953 people
  5. 2230630,602 people
  6. 2231530,404 people
  7. 2203229,240 people
  8. 2210229,184 people
  9. 2204129,183 people
  10. 2215228,814 people
  11. 2231028,136 people
  12. 2215027,955 people
  13. 2012127,788 people
  14. 2218227,783 people
  15. 2231226,768 people
  16. 2220326,594 people
  17. 2218026,568 people
  18. 2204325,750 people
  19. 2015122,610 people
  20. 2019022,012 people
  21. 2203919,626 people
  22. 2231119,337 people
  23. 2204618,169 people
  24. 2212418,091 people
  25. 2230218,026 people
  26. 2206617,185 people
  27. 2215117,017 people
  28. 2230316,922 people
  29. 2218115,760 people
  30. 2012414,375 people
  31. 2230814,090 people
  32. 2204413,996 people
  33. 2019412,275 people
  34. 2206010,641 people
  35. 2230710,343 people
  36. 220271,939 people
  37. 220350 people

49 ZIP Code areas overlap Fairfax County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Magisterial districts in Fairfax County, largest first

  1. Providence District132,006 people
  2. Hunter Mill District129,501 people
  3. Springfield District128,686 people
  4. Dranesville District128,130 people
  5. Franconia District128,060 people
  6. Sully District127,667 people
  7. Mount Vernon District126,560 people
  8. Braddock District125,302 people
  9. Mason District121,925 people

People counts are American Community Survey 2020–2024 5-year estimates. All magisterial districts in Virginia, by county

School districts in Fairfax County, largest first

  1. Fairfax County Public Schools1,147,837 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Centreville, Virginia (CDP)71,706 people
  2. Reston, Virginia (CDP)64,414 people
  3. McLean, Virginia (CDP)49,627 people
  4. Burke, Virginia (CDP)44,029 people
  5. Annandale, Virginia (CDP)41,705 people
  6. Oakton, Virginia (CDP)36,528 people
  7. Fair Oaks, Virginia (CDP)35,545 people
  8. West Falls Church, Virginia (CDP)31,279 people
  9. Springfield, Virginia (CDP)31,154 people
  10. Tysons, Virginia (CDP)28,936 people
  11. Herndon, Virginia (town)24,672 people
  12. Bailey's Crossroads, Virginia (CDP)24,271 people
All 69
  1. Chantilly, Virginia (CDP)24,036 people
  2. McNair, Virginia (CDP)22,655 people
  3. West Springfield, Virginia (CDP)22,532 people
  4. Woodlawn, Fairfax County, Virginia (CDP)21,194 people
  5. Rose Hill, Fairfax County, Virginia (CDP)21,066 people
  6. Lorton, Virginia (CDP)20,991 people
  7. Merrifield, Virginia (CDP)20,698 people
  8. Lincolnia, Virginia (CDP)20,320 people
  9. Franklin Farm, Virginia (CDP)18,736 people
  10. Kingstowne, Virginia (CDP)18,360 people
  11. Franconia, Virginia (CDP)18,335 people
  12. Idylwood, Virginia (CDP)17,559 people
  13. Hybla Valley, Virginia (CDP)17,257 people
  14. Burke Centre, Virginia (CDP)17,037 people
  15. Fort Hunt, Virginia (CDP)16,700 people
  16. Vienna, Virginia (town)16,412 people
  17. Wolf Trap, Virginia (CDP)15,858 people
  18. Great Falls, Virginia (CDP)15,228 people

See all 69 cities, towns and communities in Fairfax County, largest first

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Fairfax city, Virginia2.1 mi northwest
  2. Falls Church city, Virginia6.5 mi northeast
  3. Arlington County, Virginia9.9 mi east
  4. Alexandria city, Virginia10 mi east
  5. Prince William County, Virginia14 mi southwest
  6. Montgomery County, Maryland22 mi north
  7. Prince George's County, Maryland23 mi east
  8. Loudoun County, Virginia26 mi northwest
  9. Charles County, Maryland28 mi southeast

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.