States · Virginia · Loudoun County

Oak Grove, Virginia.

A community in Loudoun County, with no city government of its own. Zillow publishes no home prices for it: see Loudoun County’s.

Living in Oak Grove, Loudoun County, Virginia

Oak Grove, in Loudoun County, had 2,452 people in the 2020 census. Unemployment in Loudoun County was 3.3% in August 2026, and the county had 3.4% more jobs in 2025 than the year before. The most residents work in professional services, then government.

People 2,452 in the 2020 census; median age 35.0
Household income Too few homes in Oak Grove for the Census survey to measure.
Unemployment 3.3% Loudoun County, August 2026; 3.3% a year before
Homes Too few homes in Oak Grove for the Census survey to measure.
  • 740households
  • 69%of adults have a degree
  • 1%below the poverty line
  • 37 mintypical commute
  • 31%work from home

What residents work in

  • Professional and business services34%
  • Government16%
  • Schools, hospitals and social care12%
  • Shops (retail)9%
  • Banks, insurance and property8%
  • Building trades6%

Employed residents by industry, from the Census survey. Loudoun County had 204,941 jobs in 2025, 3.4% more than the year before (Bureau of Labor Statistics).

Weather through the year

Average daily high and low for each month: coldest in January, 42° and 25°; warmest in July, 87° and 67° 20° 40° 60° 80° J 42° 25° F M A M J J 87° 67° A S O N D
Average daily high and low for each month: coldest in January, 42° and 25°; warmest in July, 87° and 67° 20° 40° 60° 80° J 42° 25° F M A M J J 87° 67° A S O N D

Coldest in January, with highs near 42° and lows near 25°; warmest in July, with highs near 87° and lows near 67°. About 45 inches of rain and melted snow a year.

Average daily high and low, 1991–2020, at the Weather Office Sterling weather station, 4 miles away (NOAA).

Largest workplaces in Oak Grove

  1. Dynalectric Company - WashingtonElectrical contractors2,332
  2. General Dynamics Information TechnologyGeneral warehousing and storage120
  3. XS TelecomLow voltage electrical work65
  4. Stealth ConstructionUtility line, construction40
  5. Wawa SiteConvenience store33
  6. Masonry MastersBrick veneer, installation20

Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 6 workplaces with 20 or more staff, 2,610 people in all. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.

Natural hazards

  1. Winter weatherRelatively moderate
  2. Strong windRelatively moderate

FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Oak Grove’s census tracts, against the rest of the country; all of them together, very low. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.

From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Loudoun County.