Looking for a simple way to monitor and manage your library account with the 40 Public Libraries In Jefferson County (Alabama). This mobile app will help! With this app, you can check due dates, renew items (where eligible), store your library card, and search the library catalog.Looking for a family friendly event in a safe and learning environment? Weve got you covered with our calendar of events! With 40 library locations all across Jefferson County, you wont have to go far. 40 Libraries . 1 County . 1 Card.