About 20429 - 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 20429. It sits within Washington County County.
Census data puts the population of this ZIP code at 42,063 residents. That's noticeably above the average for a District of Columbia ZIP code, which sits near 22,323 people.
Median household income is about $88,900 (near the District of Columbia average).
Other ZIP code codes in District of Columbia serve areas such as Washington.