Pembroke is a town in Merrimack County, New Hampshire, United States. The population was 7,115 at the 2010 census. Pembroke includes part of the village of Suncook. The center of population of New Hampshire is located in Pembroke.

First granted in 1728, the town was known as "Lovewell's Town", in honor of Captain John Lovewell, who built the at Ossipee. Shortly afterward, the town took the name of "Suncook", the Pennacook Abenaki name for the river flowing through the area. When the town was incorporated in 1759 by Colonial Governor Benning Wentworth, it was given the name "Pembroke" in honor of Henry Herbert, ninth Earl of Pembroke in southern Wales.

Pembroke's early history is reflected in the various mills of the downtown area, located to use water power from the Suncook River. The better-known mills were the Pembroke Mills, Webster Manufacturing and China Manufacturing, all producing print cloth. Pembroke industries included brickmaking, with bricks manufactured from clay along the Merrimack River. In 1852, the Concord and Portsmouth Railroad established a station in Pembroke.

According to the United States Census Bureau, the town has a total area of 23.0 square miles (59.6 km²), of which 22.8 sq mi (59.1 km²) is land and 0.2 sq mi (0.5 km²) is water, comprising 0.70% of the town. Pembroke is drained by the Suncook, Soucook and Merrimack rivers. The highest point in town, Plausawa Hill, elevation 1,000 feet (305 m) above sea level, is in the north.

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