The Johnson County Library (JCL), established in 1952, is the county library system for Johnson County, Kansas and includes 13 branches.

It serves a population of 598,555.

[2] The Johnson County Library consists of the Central Resource branch and 13 neighborhood branches.

[3] In June 2009, with the help of the Barkley Advertising Agency the Johnson County Library system implemented a unique marketing strategy.

The courier trucks the library uses to transport materials from one branch to another have been designed to represent some of the iconic individuals from literature from the angle of a product advertisement.