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Butler County Federated Library System

 pursues, provides, and promotes the highest quality public library services

possible for all residents of Butler County.

The Butler County Federated Library System was founded by resolutions of the County Commissioners in 1987. Its purpose is to operate a system of autonomous public libraries within Butler County to promote, develop, and improve library (and informational) services for all County residents.

BCFLS provides the hardware, software, and technical support for the countywide library automation system. This project makes possible the online catalog database and the use of one library card throughout the county.

BCFLS coordinates library services offered by the county libraries.

The Butler County Library System Board of Directors, appointed by the Butler County Commissioners, governs, sets operating policies, and controls finances for the Butler County Federated Library System. The Board meets a minimum of six times a year and there is a time for public comment at posted meeting dates. Please contact the System Administrator at in advance to verify the meeting time and location or virtual join information. 


(Board meetings begin at 6PM)

  • Wednesday, January 17th - Virtual

  • Date TBD - Virtual

  • Wednesday, April 17th - Virtual

  • Monday, June 24th - Butler Area Public Library

  • Wednesday, August 21st - Virtual

  • Wednesday, October 16th - Virtual

  • Wednesday, November 20th - Virtual

  • Wednesday, December 18th - Virtual


The Butler Area Public Library is a community information center with a wide range of resources. We serve as the county-wide resource for library services.


Our mission is to bring delight to the spirit of our community and region by serving as the destination for exploration, enrichment, information, creativity, collaboration, inspiration, and discovery.


Located two blocks from Evans City Main Street, the Evans City Public Library serves Forward Twp., Callery Borough, and Evans City Borough – as well as the students of nearby Evans City Elementary School.


The mission of the Mars Area Public Library is to inform, educate, entertain and culturally enrich by providing books and library materials, as well as facilities and professional services, for all individuals in our service area.


North Trails Library is part of the Butler County Federated Library System. Our goal is to always provide quality library service to all residents of northern Butler County Pennsylvania, USA.

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Located in the heart of Prospect, the Prospect Community Library serves the Borough of Prospect, the Borough of Portersville, Franklin Township and Muddycreek Township, and other nearby communities. 


The Slippery Rock Community Library provides a welcoming environment while connecting people to services, activities and technology to enrich life, foster literacy, inspire curiosity and stimulate imagination.


The South Butler Community Library is dedicated to building community connections and providing tools for lifelong discovery. Our staff and volunteers are committed to providing a positive and helpful experience for you when you visit the Library. We view the Library as a vibrant community gathering place for everyone who walks through the door.


The Zelienople Area Public Library serves the communities of Zelienople Borough, Harmony Borough, Lancaster Township and Jackson Township. Our collection includes over 40,000 books, and CDs.

All county libraries offer free wireless access (aka “hotspots” or WiFi”) for library patrons to use with their own personal laptops.

County libraries have computers available for public use, with high speed internet access as well as Microsoft Office applications including 
Word, Excel, Access, PowerPoint and Publisher.

We offer free
digital resources for your online learning and entertainment.

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