How to use this list
Counties are sorted alphabetically. Use ZIP count and population to spot larger counties, then open a county for its ZIP roster and income/housing averages.
District of Columbia counties
1 counties · 57 ZIP codes · population 672,079 . Select a county to open its ZIP table and local summary.
Related pages
Also see the District of Columbia overview, cities, rankings, and congressional districts.
| County | ZIP codes | Population | Avg. income |
|---|---|---|---|
| District of Columbia | 57 | 672,079 | $116,580 |
Frequently asked questions
- How many counties are listed for District of Columbia?
- US5 currently lists 1 counties with published ZIP coverage in District of Columbia. Counts can change as geography publishes update.
- What happens when I open a county?
- Each county page shows ZIP totals, income and housing averages, and a ZIP table. From there you can open any ZIP for a full demographics dashboard.