I mean I'm no Trump fan, but Ohio is also notoriously a swing state. Not sure it's remotely fair or relevant to talk about a fluctuating margin of voters as characterizing a state.
Year 92 93 94 95 96 97 98 99 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Governor R R R R R R R R R R R R R R R D D D D R R R R R R R R R R R R R
Senate R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R
House D D D R R R R R R R R R R R R R R D D R R R R R R R R R R R R R
https://ballotpedia.org/Party_control_of_Ohio_state_governme...