The Londonderry Police Department is dedicated to protecting life and liberty, maintaining order, reducing crime, and regulating traffic in the town of Londonderry, New Hampshire. The department is committed to serving the community with integrity and professionalism, supported by its team of 62 full-time officers, 5 part-time officers, and 17 civilian employees.

Londonderry is a vibrant community known for its scenic beauty, apple orchards, recreational opportunities, and strong sense of togetherness. Located in southern New Hampshire, it is conveniently situated 30 miles from the seacoast, 100 miles from the White Mountains, and 43 miles north of Boston, Massachusetts. With an estimated population of 27,000 residents as of 2024, Londonderry ranks as the 4th largest community in the state. The town is also home to the Manchester-Boston Regional Airport terminal, the largest airport in New Hampshire.