Andover is a town in Merrimack County, New Hampshire, United States.

The town is home to Ragged Mountain State Forest and Proctor Academy, a private coeducational preparatory school.

Another school was founded in 1848 that would become Proctor Academy, the prestigious institution around which the town's economy is based.

Andover is noted for its antique shops, Greek Revival architecture, and two covered bridges.

Potter Place Railroad Station, built in 1874 by the Northern Railroad,[3] is listed on the National Register of Historic Places, and today serves as a museum for the Andover Historical Society.

[5] Ragged Mountain, elevation 2,286 feet (697 m) above sea level, is on the northern boundary.

20.5% of all households were made up of individuals, and 7.4% had someone living alone who was 65 years of age or older.