About 20597 - Washington, District of Columbia
20597 is a densely populated ZIP code covering Washington in District of Columbia, the United States. This area falls under Washington County County.
Around 42,583 people live in the 20597 ZIP code area. This puts it well ahead of the typical ZIP code in District of Columbia (roughly 22,323).
Median household income is about $105,100 (near the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.