42% Brown (D)
45% Mandel (R)
13% Uncertain

43% Brown (D)
41% Tiberi (R)
16% Uncertain

About this Poll
Gravis Marketing, a nonpartisan research firm, conducted a random survey of 1,352 registered voters across Ohio, of which 558 indicated they would vote in the Democratic Primary and 686 in the Republican Primary. The poll was conducted from April 27th through May 2nd and has a margin of error of ±2.7%. The total may not round to 100% because of rounding. The poll was conducted using interactive voice responses and online panels of cell phone users, with the results weighted by voting patterns. The weighting was applied overall, and by demographic makeup of the party primary voters.