Data Catalog
Our Data Catalog puts IMLS data—comprising agency data such as grants administration and data about libraries, museums, and related organizations—at your fingertips so you can dig into it.
Public Libraries Survey (PLS)
Conducted annually since 1988, PLS is your definitive source on the state of public libraries in the United States. Explore the PLS data to find key information on over 9,000 public library systems and 17,000 public library outlets nationwide.
State Library Administrative Agency Survey (SLAA)
Collected annually since 1994 and biennially after 2010, the SLAA Survey is your definitive source on the state of state library agencies in the United States. Explore the SLAA Survey data to find key information on the state library agencies in all 50 states and the District of Columbia.
Public Needs for Library and Museum Services Survey (PNLMS)
PNLMS is a household survey that monitors the public’s expectations of and satisfaction with library and museum services. It helps determine attitudes, assess awareness of issues with library and museum services, and track trends in visitation and usage.
Museum Universe Data File (MUDF)
Explore our list of about 33,000 museum-related organizations in the United States. MUDF integrates data from several sources, including IMLS administrative records of discretionary grant recipients and IRS records of tax-exempt organizations, among other sources.
Administrative Discretionary Grant Data
Explore the administrative records for discretionary grants funded by IMLS since FY 1996.