Profile for Waldo County
- Provides information about members of Congress, State Legislators, cities, towns, law enforcement, schools, media, courts, census bureau, economic, and population estimates. County courthouse located in Belfast.
- http://www.capitolimpact.com/gw/cntydetail.asp?state=me&stfips=23&stname=Maine&fips=23027

Waldo County
- Elected county officials, codes and ordinances, policies and other data provided by the National Association of Counties.
- http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/county.cfm&id=23027

Waldo County Marketing Association
- Information on culture, attractions, real estate, lodging, dining, commerce, boating, marine and aviation.
- http://www.waldocountymaine.com/

Waldo County - USGenWeb Project
- Past and present county links and information. Provides genealogical resources and vital records.
- http://www.rootsweb.com/~mewaldo/index.htm