Rockingham County is located in the southeastern part of New Hampshire and is part of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area. The county seat is Brentwood.

Rockingham County is governed by a five-member Board of County Commissioners. The board is responsible for setting the county budget, levying taxes, and overseeing county departments. The county also has a county administrator, who is responsible for overseeing the day-to-day operations of the county.

The county is divided into twenty-four towns and cities, each of which has its own local government. The county also has several special districts, including the Rockingham County Conservation District, the Rockingham County Soil and Water Conservation District, and the Rockingham County Economic Development District.

Rockingham County is home to several state parks, including Pawtuckaway State Park, Bear Brook State Park, and Ellacoya State Park. The county also has several historic sites, including the Rockingham County Courthouse, the Rockingham County Jail, and the Rockingham County Historical Society.

For the most up-to-date and in-depth information, please check the public records links below.