About 20004 - 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 20004. It sits within Washington County County.
Around 40,010 people live in the 20004 ZIP code area. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $94,600 (near the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.