About 20389 - Washington, District of Columbia
Located in District of Columbia, the United States is home to the densely populated community of Washington, served by ZIP code 20389. It sits within Washington County County.
Washington has a reported population of 43,493. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $84,600 (near the District of Columbia average).
Nearby communities in District of Columbia include Washington.