Once a parish of Hampton, Kensington was incorporated in 1737 by New Hampshire Governor Jonathan Belcher. Of the 27 towns granted by Governor Belcher, only 3 were given names, one of which was Kensington, named for Baron Kensington, owner of Kensington Palace in London.

According to the United States Census Bureau, the town has a total area of 12.0 square miles (31 km²), of which 11.9 sq mi (31 km²) is land and 0.08% is water. Kensington is home to 16 named hills of glacial drumlin origin; the highest, Indian Ground Hill, located on the town's border with South Hampton, is 305 feet (93 m) above sea level. The majority of Kensington lies within the Piscataqua River watershed, via the Exeter River. The southeast portion of town drains to Hampton Harbor via the Taylor and Hampton Falls rivers, and the southwest corner of the town drains to the Merrimack River.

As of the census of 2000, there were 1,893 people, 657 households, and 532 families residing in the town. The population density was 158.4 people per square mile (61.2/km²). There were 672 housing units at an average density of 56.2 per square mile (21.7/km²). The racial makeup of the town was 98.31% White, 0.11% African American, 0.21% Native American, 0.63% Asian, and 0.74% from two or more races.

...
Wikipedia