Capitol Impact: Boyle County
- Political, educational, and economic data.
- http://www.capitolimpact.com/gw/cntydetail.asp?state=ky&stfips=21&stname=Kentucky&fips=21021

Boyle County Clerk's Office
- Provides information about motor vehicles and voter registration. Includes form downloads, FAQs, a recordings page and links to other county-related web pages.
- http://www.boylecountyclerk.ky.gov/

National Association of Counties - Profile for Boyle County
- Provides a list of elected officials, cities within the county, census details, and contact details for the county court house.
- http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/county.cfm&id=21021

Boyle County Decennial Population Statistics - 1850 - 1990
- Includes total population, county area, and population density.
- http://ukcc.uky.edu/~census/21021.txt

Census Bureau - Boyle County
- Provides population and economic information.
- http://quickfacts.census.gov/qfd/states/21/21021.html