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ZIP Code 20166
Oak Grove, VA, Loudoun County
Population
14,949
Land area
27.2sq mi
People per sq mi
550
City
Oak Grove
ZIP 20166 and nearby ZIP codes
ZIP 20166 at a glance
- ZIP 20166 (Oak Grove) is about 2.5 times as dense as Virginia as a whole.
- Households here earn a median of $133,401 a year, 43% more than the Virginia figure of $93,170.
- A typical owner-occupied home is valued at $618,800 (61% above Virginia) and median rent is $2,362 a month.
Local data for ZIP 20166
Counts from official public data
Housing and community stats
ZIP 20166, American Community Survey 2020-2024
Median household income
$133,401
Poverty rate
4.1%
Median home value
$618,800
Prices +4.1% in a year
Median rent
$2,362/mo
Homeownership
49.5%
Bachelor's or higher
65.3%
Median age
34.0
Average commute
27.9 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
1,902
ZIP Business Patterns 2023
Employees
67,063
$5.3B annual payroll
PPP loans
$366M
1,600 loans
Campaign donations
$117K
15% D, 21% R, 2026 cycle
Environment and hazard risk
ZIP 20166, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: heat wave
Storm events since 1996
1,320
Countywide, mostly thunderstorm wind
Flood insurance policies
544
0.9% of homes, county
July high / Jan low
87° / 25°F
45.1 inches of rain a year
Health statistics
Share of adults in ZIP 20166, CDC PLACES estimates
Obesity
28.2%
U.S. 33.3% -5.1 pts
Diabetes
8.5%
U.S. 12.1% -3.6 pts
Smoking
8.8%
U.S. 12.8% -4.0 pts
Uninsured (18-64)
8.5%
U.S. 11.1% -2.6 pts
Frequently asked questions
- What city is ZIP code 20166?
- ZIP code 20166 is in Oak Grove, VA (Loudoun County).
- What county is ZIP code 20166 in?
- ZIP code 20166 is mostly in Loudoun County, Virginia.
- How many people live in ZIP code 20166?
- About 14,949 people live in the 20166 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.