As of 2026-10-12, Multnomah County Library tops the list with 4,680,257 visitors/year.
- #1 Multnomah County Library — 4,680,257 visitors/year
library system serving Multnomah County, Oregon, United States
Multnomah County Library is the public library system serving Portland and Multnomah County, Oregon, United States. A continuation of the Library Association of Portland, established in 1864, the system now has 19 branches offering books, magazines, DVDs, and computers. It is the largest library system in Oregon, serving a population of 801,546, with more than 369,377 registered borrowers. Read more on Wikipedia.
Wikidata - #2 Denver Public Library — 4,379,144 visitors/year
public library system in Denver, Colorado
Denver Public Library is the public library system of the City and County of Denver, Colorado, United States. The system includes Denver Central Library, located in the Golden Triangle district of Downtown Denver, as well as 28 branch locations and two bookmobiles. The library's collection totals more than 2 million items, including books, reference materials, movies, music, and photographs. Of that total, more than 347,000 items are in specific collections including the Special Collections and... Read more on Wikipedia.
Wikidata - #3 Tulsa City-County Library System — 3,110,730 visitors/year
public library system in Oklahoma, USA
The Tulsa City-County Library (TCCL) is the major public library system in Tulsa County, Oklahoma. Read more on Wikipedia.
Wikidata - #4 University Library Freiburg — 3,031,759 visitors/year
library in the University of Freiburg, Germany
The University Library Freiburg is the library of the University of Freiburg. As an academic and research library, it caters to students and staff of the University of Freiburg, the University of Education Freiburg, the Catholic University of Applied Sciences Freiburg, and the Protestant University of Applied Sciences Freiburg. The library is open to interested members of the public as well. Read more on Wikipedia.
Wikidata - #5 Kent District Library — 2,805,556 visitors/year
library system in Kent County, Michigan
The Kent District Library is a public library system located in Kent County, Michigan. With twenty branch locations and an annual circulation of more than 8.2 million items (2016 circulation data), the Kent District Library is one of the largest and busiest library systems in all of Michigan. Read more on Wikipedia.
Wikidata - #6 Richland County Public Library — 2,682,317 visitors/year
archive organization in Columbia, South Carolina, United States
Richland Library is the public library system of Richland County, South Carolina. In December 2012, the library shortened its name from Richland County Public Library. It has 11 branches including its 242,000 sq ft (22,500 m2) Main Library. In 2001, it was named the National Library of the Year by the Library Journal and the Gale Group. Read more on Wikipedia.
Wikidata - #7 Gatineau Public Libraries — 2,275,602 visitors/year
public library system of the city of Gatineau
source Wikidata - #8 Springfield Greene County Library — 2,008,596 visitors/year
library system in Missouri, United States
Springfield-Greene County Library District (SGCL) is a library system that operates in both Springfield, Missouri and Greene County, Missouri. Springfield and Greene County Libraries operated as separate entities until 1961, when the Greene County Library board began contracting services from the Springfield Public Library. Boards from both the Springfield Public Library and the Greene County Library decided that it would be more effective to operate as one entity and merged in 1971 becoming... Read more on Wikipedia.
Wikidata - #9 Arapahoe Library District — 1,919,474 visitors/year
public library system in Colorado, USA
source Wikidata - #10 Schaumburg Township District Library — 1,550,000 visitors/year
library in Schaumburg, Illinois, United States
The Schaumburg Township District Library (STDL), located in Schaumburg, Illinois, is the second largest public library in Illinois. It serves approximately 130,000 residents in the Schaumburg Township area, covering sections of Schaumburg, Hoffman Estates, Hanover Park, Roselle, and Elk Grove Village. Both Hoffman Estates and Hanover Park have branch libraries located in the villages. Annual circulation of materials totals approximately two million items, while nearly one million people visit... Read more on Wikipedia.
Wikidata