The ZIP Code maps and database are updated 4 times per year. Database updated: April 1, 2022, Maps updated: May 5, 2022.
Washington, DC 20554 Data & Demographics (As of July 1, 2021)
ZIP Code 20554 is a unique - single entity ZIP Code. There is no demographic data available for this type of ZIP Code.
However, ZIP Code 20554 is contained within ZIP Code 20504 and perhaps demographic information for this ZIP Code would be of interest to you: ZIP Code 20504 Demographic Information.