The second season of Durham County has been out on DVD since July 27. Moreover, you'll have the chance to meet the cast and producers of this Canadian crime drama at this year's FanExpo in Toronto. This event will be held from August 27 to 29.
Have in mind that the featured guest for the show's second season will be will be Adrienne Mitchell, the director and executive producers; Laurie Finstad-Knizhnik, the writer, executive producer and co-creator; Janis Lundman, the executive producer; Greyston Holt, the actor who plays Ray Prager Jr.; and Michelle Forbes, the actress who plays Dr. Peneloppe Verity.
Finally, Durham County will return for a third and final season this coming October on HBO Canada, a Canadian premium cable network. For the moment, no U.S. premiere date has been announced for the third season on Ion Network, an American cable network.
Source: Michelle Forbes Community Blog and FanExpo.

