Herndon, Virginia

Herndon
Central Herndon
Location within Fairfax county
Herndon
Herndon
Herndon
Coordinates: 38°58′17″N 77°23′19″W / 38.97139°N 77.38861°W / 38.97139; -77.38861
CountryUnited States
StateVirginia
CountyFairfax
Established1858
Government
 • MayorKeven LeBlanc Jr.
Area
 • Total
4.29 sq mi (11.12 km2)
 • Land4.29 sq mi (11.10 km2)
 • Water0.0077 sq mi (0.02 km2)
Elevation
361 ft (110 m)
Population
 (2020)
 • Total
24,655
 • Density5,753/sq mi (2,221.2/km2)
Time zoneUTC−5 (Eastern (EST))
 • Summer (DST)UTC−4 (EDT)
ZIP code
20170
Area codes703, 571
FIPS code51-36648
GNIS feature ID1495675
Websitehttp://www.herndon-va.gov

Herndon is a town in Fairfax County, Virginia, United States. Located in Northern Virginia, it is part of the Washington, D.C. metropolitan area. In 2020, the population at the census was 24,655, which makes it the largest of three incorporated towns in the county.