Butterflies of Polk County, Arkansas
- Photos, descriptions, habitats and ranges.
- http://www.butterfliesandmoths.org/map?dc=1511&_dcc=1&si=4

Arkansas Department of Economic Development
- Profile of Polk county includes data on population, education, personal income, retail sales, labor force and business patterns.
- http://www.1-800-arkansas.com/info/index.cfm?page=community_profiles-county&county=Polk

Ink
- How the town of Ink, Arkansas got its name. Historical essay.
- http://users.aristotle.net/~russjohn/ink.html

Polk County GenWeb Genealogy
- Local project featuring surnames, historical archives, and research resources for genealogists.
- http://www.rootsweb.com/~arpolk/

Rich Mountain Conservation District
- Information, program, events, calendar and contact details.
- http://www.aracd.org/CD/rich.htm

University of Arkansas Cooperative Extension Service
- For Polk County.
- http://www.uaex.edu/polk/

Rich Mountain Electric Cooperative
- Provides electric service to Polk County. Information on services, products, locations, free energy audit, links, and kid's section.
- http://www.rmec.com/

Ouachita National Forest Outhouses
- History, photos and information about outhouses.
- http://www.jldr.com/ohtanner.html