Henry County Humane Society
- A non-profit organization of people who have concern for the welfare of the homeless animals in the surrounding area. News, pictures of available pets, and shelter hours.
- http://www.petfinder.com/shelters/IL69.html

Henry County Government
- Official site. Includes department and community information, calendar, history and vital records.
- http://www.henrycty.com/

Henry County Tourism Council
- Features visitors guide of local businesses and shops, lodging, restaurants, recreation, attractions, events calendar, along with history of each community and county map.
- http://www.visithenrycounty.com/

ILGenWeb - Henry County
- Local genealogy and history. Biographies, family trees, cemetery information, and property records.
- http://www.rootsweb.com/~ilhenry/

Henry County
- Maps, communities information, and county attractions.
- http://www.outfitters.com/illinois/henry/