About 20350 - Washington, District of Columbia
The ZIP code 20350 of Washington falls within District of Columbia, the United States - a densely populated area by population. It sits within Washington County County.
Washington has a reported population of 42,164. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $114,100 (above the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.