Dr. Susan MacManus, a University of South Florida Distinguished University Professor Emerita.Voters line up as the polls open at David Park Community Center on Nov.
6, 2018 in Hollywood, Florida. (Susan Stocker/Sun Sentinel/Tribune News Service via Getty Images) With a population of 21 million, Florida has the third-largest number of electoral votes (29) and the most electoral votes of any battleground state.
It also has consistently had the lowest average margin of victory for almost three decades, experts say.AdvertisementFlorida voted almost exclusively Democratic from the Reconstruction era following the Civil War until the mid-20th century, according to the nonpartisan elections website 270toWin.