About 20434 - Washington, District of Columbia
The ZIP code 20434 of Washington falls within District of Columbia, the United States - a mid-sized area by population. It sits within Washington County County.
Washington has a reported population of 31,409. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $100,900 (near the District of Columbia average).
Nearby communities in District of Columbia include Washington.