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On behalf of the Rockingham County Board of Commissioners, Welcome to Rockingham County, the Commerce Center of Southern New Hampshire. Our County has been cited on numerous occasions as one of the best locations in which to establish a home and a thriving business.
Rockingham County is a county in the U.S. state of New Hampshire. As of the 2020 census, the population was 314,176, making it New Hampshire's second-most populous county. The county seat is Brentwood.
Rockingham County is one of 10 counties in New Hampshire. Located in the southeastern part of the state, Rockingham County includes all 18 miles of New Hampshire’s Atlantic coastline. The county is bordered by Maine to the northeast and Massachusetts to the south.
Departments. Please select a department from the drop down list above or use the listing below. Commissioners. County Attorney. Delegation. Register of Deeds.
Rockingham, county, extreme southeastern New Hampshire, U.S. It is bordered by Massachusetts to the south, the Atlantic Ocean to the east, and Maine and Little and Great bays to the northeast; the Piscataqua River constitutes the boundary with Maine.
Rockingham County, New Hampshire has 695.4 square miles of land area and is the 7th largest county in New Hampshire by total area. Topics in the Rockingham County, New Hampshire data profile include: Populations and People; Income and Poverty; Education; Employment; Housing; Health; Business and Economy; Families and Living Arrangements; Race ...
Rockingham County Map. The County of Rockingham is located in the State of New Hampshire. Find directions to Rockingham County, browse local businesses, landmarks, get current traffic estimates, road conditions, and more. According to the 2020 US Census the Rockingham County population is estimated at 311,307 people.
