The Selectman s Office is operated by the government of the town of Charlestown in New Hampshire, which works for the welfare of the general public. The town of Charlestown in New Hampshire has a population of more than 4,800 people. The town operates human services, highway, planning and zoning, and water and wastewater departments. Its fire department specializes in emergency management and medical services. The town of Charlestown in New Hampshire also administers a police department that offers a range of criminal prevention and law enforcement services. In addition, the town operates a recreation department that maintains a swimming pool.