Logan County Area Chamber of Commerce - Official site presenting member directory, county tour, membership services, and contact details. Logan County - Official site provides information about the government, public safety, zoning, building and recreation in the county. Logan County, Ohio - U.S. Census Bureau - Provides population, demographic, and housing information. Logan County Educational Service Center - Provides leadership and consulting services in order to strengthen local school districts. Includes directory, curriculum, list of services and links to local schools. Logan County Convention and Tourist Bureau - Includes information about local festivals and events, recreation, and attractions in the county. County Map - Map of Logan County. Profile for Logan County - Information on the political infrastructure of the county. Map of Logan County - Combination panoramic atlas map of Logan county from 1875.