20191 Frequently Asked Questions

A: ZIP Code 20191 is Located in Reston Virginia. Portions of 20191 are also in Difficult Run.

A: ZIP Code 20191 is Located Entirely in Fairfax County Virginia.

A: The Current Sales Tax in ZIP Code 20191 is 6.0%

A: The Area Codes for 20191 are 571 and 703

A: ZIP Code 20191 is in the Virginia 11th Congressional District.

A: ZIP Code 20191 is in Virginia House of Delegates District 7.

A: ZIP Code 20191 is in Virginia State Senate District 38.

A: The 2022 population of ZIP Code 20191 is 29758. The population growth rate in 20191 is 2.21%. The population density of 20191 is 3,815.

A: The majority race/ethnicity of people residing in 20191 is White (61.27%). The majority race/ethnicity of students attending public schools in 20191 is White(42.23%).

A: The median household income in 20191 is $128,076 (2021) and the average adjusted income is $369,030 (2021).