Greenville Government Offices County 520 N Broadway St The short path to Darke County's government officials, agencies and services. Quickly find the who, how and where to contact Darke County's elected officials, Darke County services and Darke County web sites. This service is provided by the Darke County Board of Commissioners. Greenville OH Government Offices County Darke County Commissioners Ofc www.co.darke.oh.us Darke Darke County Darke Co Darke Ohio Darke County Ohio Ohio Greenville Ohio Greenville county county government government commissioners county commissioners board of commissioners local local government officials local officials Darke Darke County Darke Co Darke Ohio Darke County Ohio Ohio Greenville Ohio Greenville county county government government commissioners county commissioners board of commissioners local local government officials local officials Business Reviews Darke County Commissioners Ofc Testimonials