The Des Moines Public Library Foundation supports and enriches the capabilities, resources, and services of the Des Moines Public Library system. The DMPL Foundation was created as a 501(c)(3) foundation in 1998. 

The mission of the Des Moines Public Library Foundation is to raise funds and advocate for the Des Moines Public Library system. The DMPL Foundation has one full-time executive director and one half-time administrative assistant, plus a volunteer board of directors.