ZIP Code 20166 - Sterling Virginia

20166 Overview

ZIP Code 20166 is located in Sterling Virginia. Portions of 20166 are also in Arcola and Dulles Town Center and Ashburn and Loudoun Valley Estates and Kincora and Oak Grove and Dulles. 20166 is entirely within Loudoun County. Regionally, 20166 is located in Metro DC.

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ZIP Code 20166 Quick Stats

ZIP Code NameSterling
Primary CountyLoudoun County
ZIP Code TypeStandard
Population (2022)13,479
Area Code(s)571 / 703
Current Time
EST

ZIP Code 20166 Map

20166 Demographics

20166 can be classified socioeconomically as Middle Class class compared to other ZIP Codes in Virginia based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 20166 is White. The current unemployment level in 20166 is 3.1%.

Population13,479
Population Growth Rate31.06%
Population Density510 People per Square Mile
Total Households3,353
Percentage High Income Households12.5%
Median Household Income (2021)$121,350
Average Adjusted Gross Income (2021)$342,520
Current Unemployment Rate (November 2024)3.1%
Majority Race/EthnictyWhite - 35.48%

20166 Race/Ethnicty Breakdown

Race/EthnictyTotalPercentage
White4,85535.44%
Black1,48610.85%
Hispanic3,05222.28%
Asian4,22730.85%
Native American650.47%
Hawaiian/Pac. Islander160.12%

20166 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College751.31%
Bachelor Degree2,66146.4%
High School Diploma70012.21%
No High School Diploma931.62%
GED or Alternate1192.07%
1 or More Years of College68011.86%
Associates Degree2794.86%
Masters Degree1,01717.73%
Professional Degree570.99%
Doctorate Degree540.94%

20166 Geography

Coordinates38.97285843,-77.46411133
Adjacent ZIP Codes
Cities/Towns in 20166
RegionMetro DC
Metropolitan/Micropolitan Stat AreaWashington-Arlington-Alexandria, DC-VA-MD-WV
Time ZoneEastern Standard Time
IANA TimezoneAmerica/New_York
Area26 Square Miles

20166 Weather and Climate Data

Plant Hardiness ZoneZone 6b: -5F to 0F
Average First Frost DateOctober 11 - 20
Average Last Frost DateApril 21 - 31
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion64a - Triassic Lowlands

20166 Annual Climate Data

JanFebMarAprMayJunJulAugSepOctNovDecAnnual
Avg Min Temp (°F)21233140505964625441332542
Avg Max Temp (°F)42465566758388867968574766
Avg Precip (In.)3.122.733.583.214.213.933.643.743.913.353.313.1441.88

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