New Hampshire is divided into 10 counties, each governed by its own local administration. Use this interactive map and powerful search tools to explore New Hampshire’s counties, major cities, towns, and ZIP codes.

Interactive Map of All New Hampshire Counties

Click on any county below to explore more about it.

No.	County Name	Largest City	County Map & Zip Code
1	Belknap	Laconia	Belknap County Map Link
2	Carroll	Wolfeboro	Carroll County Map Link
3	Cheshire	Keene	Cheshire County Map Link
4	Coös	Berlin	Coös County Map Link
5	Grafton	Lebanon	Grafton County Map Link
6	Hillsborough	Manchester	Hillsborough County Map Link
7	Merrimack	Concord	Merrimack County Map Link
8	Rockingham	Portsmouth	Rockingham County Map Link
9	Strafford	Dover	Strafford County Map Link
10	Sullivan	Claremont	Sullivan County Map Link

New Hampshire County Map Download

You can download the New Hampshire County Map from below:

Frequently Asked Questions

The largest county in New Hampshire by area is Coos County. It covers a vast, mostly rural and forested region in the northern part of the state.

The smallest county in New Hampshire by land area is Strafford County, covering approximately 369 square miles (956 km²).

New Hampshire has 10 counties in total.

Source: Wikipedia, Census.gov