A head to head comparison of the Ohio 2016 General Election gives us an idea of the break down of the voters.
Rob Portman received 3.1M (58.0 %) votes, beating Ted Strickland who gained 2M (37.2 %) by 1.1M votes in Ohio.
Ted Strickland won 4 counties out of the 88 counties that make up Ohio. The record shows that Rob Portman won 84 counties.
During the 2016 general elections, over 5M total number of votes were cast. Joseph DeMare got 88,246 (88k) over Rob Portman 3,118,567 (3M). He won the popular vote by 88,246 (88k). His victory in the State of Ohio (with 88,246 votes) represents 50.0% of his popular vote victory.
Top 15 Counties in General Elections
All Candidates (Senate General Elections)
These 15 counties play an important role in these Primary elections. If a candidate, can get a sizable majority in the largest counties (Franklin, Cuyahoga and Hamilton), it becomes very difficult to win majorities in the smaller counties without voter outreach and increased voter participation in them.
Top 15 Counties Comparison in General Elections
Cuyahoga, Franklin and Hamilton, three of the larger counties voted in favor of Ted Strickland, giving him a 100k vote advantage.