Londonderry Police Department

Website Sign In Your Government Our Community Doing Business Watch How Do I... Townwide Beautify Londonderry Clean-Up Help keep Londonderry clean and beautiful by joining Beautify Londonderry for a townwide community clean-up. Water Main Extension - June 18, 2026 update On June 23, 2026 (weather permitting) the Town of Derry will resume work associated with the installation of a new water main on Old Derry Road. Water Main Extension - April 7, 2026 Beginning April 8, 2026, for the duration of the 2026 construction season, the Town of Derry will resume work associated with the installation of a new water main on Old Derry Road. Non-emergency: (603) 432-1100. Dial 911 for emergencies.

According to the U.S. Census Bureau (ACS 2023), Londonderry CDP, NH has an estimated population of 12,307.