About 20442 - Washington, District of Columbia
ZIP code 20442 covers the community of Washington in District of Columbia, the United States. This area falls under Washington County County.
Census data puts the population of this ZIP code at 27,528 residents. This is roughly in line with the District of Columbia average of about 22,323 residents.
Median household income is about $98,100 (near the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.