Douglas County Libraries is a public library system created in 1966, serving Douglas County, Colorado, in the United States. It currently operates seven branches over a combined population of approximately 300,000 residents, and offers a variety of library services including keeping public local archives for the county, free ebooks and video through Hoopla, and education services. The library system also has partnered with the Colorado Parks and Wildlife system to offer state park passes which can be checked out with a library card.