Hillsdale County MIGenWeb
- Genealogical clearinghouse for the county. Post and view queries, access bibliography of research sources and view some source materials directly.
- http://www.rootsweb.com/~mihillsd/county.html

Community Action Agency - Hillsdale County
- A multi-faceted, non-profit private organization offering individualized programs to local businesses and persons.
- http://www.caajlh.org/

Cemeteries of Hillsdale County
- Cemetery transcription library, contains cemetery records with lists of grave sites by name, date of birth and death.
- http://www.interment.net/us/mi/hillsdale.htm