Explore the most up-to-date Loudoun County zip code map, highlighting neighborhoods, boundaries, and key locations. With a total of 21 zip codes, Loudoun County is home to 420,773 residents. The county has a median home value of $657,000 and a median household income of $170,463. Below, you’ll find additional key statistics that offer a snapshot of the area.
There are a total of 21 zip codes in Loudoun County. Use the interactive map above to view the boundaries for each one.
Complete list of ZIP codes in the area: 20105, 20117, 20120, 20129, 20130, 20132, 20135, 20141, 20147, 20148, 20152, 20158, 20164, 20165, 20166, 20175, 20176, 20180, 20184, 20197, 22066.