It is the largest public library system in the state of Iowa, with a collection of 552,576 items housed at six locations.

To support families and promote early childhood education, the library shares Simple Steps to Success activities and resources.

[10] Simple Steps to Success is an early literacy initiative that supports educators and families throughout the community.

[11] Adult programming includes book discussions, author visits, lectures, job assistance workshops, and other special events.

With the support of the Des Moines Public Library Foundation and other local donors, including Humanities Iowa, AViD celebrates great reading and writing.

[15][16] Houses Special Collections; hosts Art Gallery; designed by noted architect David Chipperfield.

During the 1930s, local artist Harry Donald Jones began painting a mural on the ground floor as a Works Progress Administration (WPA) project.

[21][22] The new building was designed by London architect David Chipperfield[23] to serve the library's growing collection and the technology needs of 21st century users.

The Foundation supports programs that benefit the Des Moines community and promote the library's resources.