| Aroostook County: Provides Maine facts, and County information for the tourist or those interested. |
| Aroostook County - USGenWeb Project: Past and present county links and information. Provides genealogical resources and vital records. |
| Aroostook County Government: Official site detailing county facts, government data, county officials, municipalities, law enforcement and county offices. |
| Aroostook County Tourism: Information for visiting the largest county in the state, Features lodging, dining, seasons, weather, and local attractions. |
| Aroostook Region EMS: Regional council serving emergency medical services squads in the county (Maine EMS Region 5). |
| Business in Aroostook County: Complete information for the business person or entrepreneur looking for remote yet up to date locations where the air is clean and the people are motivated. |
| County of Aroostook: Provides brief description, facts, addresses, localities, and list of officials. |
| NACo: Aroostook County: Elected county officials, codes and ordinances, policies and other data provided by the National Association of Counties. |
| Photos Of Maine: Features images taken in the central part of Aroostook County, including Washburn, Caribou, Limestone, and Presque Isle areas. |
| Political Graveyard -Aroostook County: Lists of politicians who were born in, served in or died in Aroostook County. |
| Profile for Aroostook County: Statistical information covering towns, cities, population, business and education. |
| The Southern Aroostook Development Corporation: An economic enhancement project created to develop and expand the economic base of southern Aroostook County; assists businesses interested in growing in Northern Maine. |
| University of Maine Cooperative Extension: Aroostook County: Local offices for Houlton, Presque Isle, Fort Kent. Links to state office. |
| Upper St. John River Valley: History and genealogical information, including early censuses, land grants and other documents as well as family histories. |