Of the many states that are considered to be swing states, the two big ones & the ones that really matter are Florida (29 Electoral votes) & Ohio (18 Electoral votes). In the 2012 elections, the margin in Florida was less than 1% and Ohio was less than 3%.

Within those states, there are a few dozen counties that really sway the electoral balance towards one party or another. Here is a list of the top 15 closest & most swingiest counties in Florida & Ohio.

15 CLOSEST & MOST “SWINGIEST” COUNTIES IN FLORIDA

County in Florida Total Votes in 2012 Margin Difference Between Democrats & Republicans in 2012 Monroe 39045 0.4% Volusia 234483 1.2% Jefferson 7808 1.8% Madison 8712 3.4% Duval 411702 3.6% Pinellas 457484 5.6% Hendry 10185 5.9% Seminole 208605 6.5% Pasco 213358 6.6% Hillsborough 541503 6.7% Polk 248658 6.8% Sarasota 207434 7.4% Flagler 50589 7.4% St. Lucie 123026 7.9% Hernando 83593 8.5%

15 CLOSEST & MOST “SWINGIEST” COUNTIES IN OHIO