2010Final results
2010 election for Ohio House District 21
Ohio House of Representatives · Ohio
Mike Duffey (R) won with 50.5% of the vote, defeating David Robinson (D) by 1.0 points.
Mike DuffeyRepublican · winner
50.5%19,859
David RobinsonDemocrat
49.5%19,482
39,341 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 2010
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET