Too many agencies involved for anybody to give you a county-wide thumbs up or thumbs down. I'd say most LEO's in HamCo know the gist of open carry being legal and follow it. If you're going to open carry, I advise also taking along a voice recorder, and a totable sized version of the appropriate sections of Ohio Revised Code. Also, PM a couple of folks here who know their stuff in this regard:
2) color of law
(Sorry to haul you two boys out on the stage like that, by the way.)
Meantime dig through posts authored by those two gents here in the Ohio section.