The Library Foundation of Jacksonville is dedicated to supporting the success of the Jacksonville Public Library. Their mission is to inspire, advocate, and grow philanthropic support for the library, catering to lifelong learners across the diverse community of Jacksonville. They offer numerous ways for residents, corporations, and stakeholders to invest in the library's success, including online donations through their website.

The foundation works to enhance the library's current funding system and ensure its fiscal strength and growth. They also focus on organizational governance, cultivating a board of directors that exemplifies best practices in governance. By generating revenues, they enable the library staff to deliver superior service to supporters, donors, and sponsors.

Additionally, they conduct assessments to determine the effectiveness of activities that generate support, donations, sponsorships, and partnerships. By supporting the Library Foundation of Jacksonville, individuals contribute to the transformational power of libraries and help improve the quality of library services for the community