- Census and Statistical Data for Michigan
- County Profiles assembled by MSU Extension
- Econdata.net
- Economic Research Service Fact Sheet for Michigan
- Federal Register
- Library of Congress Federal Legislative Information
- Interactive Mapping of Federal Data
- Iowa State Data Site with Importable Graphs
- National Biological Information Initiative
- U.S. Census Bureau
- User's Guide to Socio-economic Data for Regions
- Small Business Data
