20166 Frequently Asked Questions

A: ZIP Code 20166 is Located in Sterling Virginia. Portions of 20166 are also in Arcola, Dulles Town Center, Ashburn, Loudoun Valley Estates, Kincora, Oak Grove, Dulles.

A: ZIP Code 20166 is Located Entirely in Loudoun County Virginia.

A: The Current Sales Tax in ZIP Code 20166 is 6.0%

A: The Area Codes for 20166 are 571 and 703

A: ZIP Code 20166 is in the Virginia 10th Congressional District.

A: 20166 is within Virginia House of Delegates District 26, Virginia House of Delegates District 27 and Virginia House of Delegates District 28.

A: ZIP Code 20166 is in Virginia State Senate District 32.

A: The 2022 population of ZIP Code 20166 is 13479. The population growth rate in 20166 is 31.06%. The population density of 20166 is 510.

A: The majority race/ethnicity of people residing in 20166 is White (35.48%).

A: The median household income in 20166 is $121,350 (2021) and the average adjusted income is $342,520 (2021).