About 20042 - Washington, District of Columbia
ZIP code 20042 covers the community of Washington in District of Columbia, the United States. This area falls under Washington County County.
Around 5,338 people live in the 20042 ZIP code area. It's a quieter, less populous area than the typical District of Columbia ZIP code (avg. ~22,323).
Median household income is about $112,800 (above the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.