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.
Northern Mariana Islands counties
3 counties · 3 ZIP codes · population — . Select a county to open its ZIP table and local summary.
Related pages
Also see the Northern Mariana Islands overview, cities, rankings, and congressional districts.
| County | ZIP codes | Population | Avg. income |
|---|---|---|---|
| Rota Municipality | 1 | — | — |
| Saipan Municipality | 1 | — | — |
| Tinian Municipality | 1 | — | — |
Frequently asked questions
- How many counties are listed for Northern Mariana Islands?
- US5 currently lists 3 counties with published ZIP coverage in Northern Mariana Islands. 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.