U.S. largest public libraries FY 2019, by size of population served

For the fiscal year of 2019, Maricopa County Library District in Arizona had the highest legal service area by population, serving a community of over 4.3 million people. Los Angeles Public Library and New York Public Library occupy second and third place respectively.

在2019财政年度，亚利桑那州的马里科帕县图书馆区以其庞大的服务区域和人口规模位居首位，该区域覆盖了超过430万人口的社区。洛杉矶公共图书馆和纽约公共图书馆分别位列第二和第三。