The Poolesville Branch Library, known as the Maggie Nightingale Library, serves over 5,700 residents of Poolesville in the western area of Montgomery County, Maryland. The library is affiliated with the Montgomery County Public Library, which maintains 10.4 million volumes and circulates more than 9.2 million items per year, including genealogy, magazines, newspapers, and resources for business and personal finance. The branch offers storytime, language learning, computers, and technology programs.