727,585 in Ohio voted for Trump in 2016 Republican primary, a 57% increase over Romney's 2012 Ohio total. Longtime insider Romney won Ohio by only 1% in 2012. Over a quarter of a million more in Ohio voted for Trump in 2016 than for Romney in 2012

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March 15, 2016, Ohio GOP primary, Trump's 727,585 total easily beat Romney's March 6, 2012 Ohio GOP primary total of 460,831.
 
Trump received 266,754 more votes than Establishment insider Romney, a 57% increase.

Sources: 2016 results, CNN

2012 results, Cleveland.com

2012 results, CNN 

 

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