The Westerville Public Library is a public library that serves the community of Westerville, Ohio, a suburb of Columbus, Ohio. As a school district library, its geographic boundaries are defined by the Westerville City School District (Franklin County, Ohio) which straddles both Franklin County and Delaware County. All Ohio residents can apply for a Westerville Public Library card. As of December, 2014, the library had 118,720 registered borrowers, circulated 2,102,171 items and saw 81,475 people attending library programs and events with total operating costs of $6,567,375.