Wood County in Ohio, with a population of 130,000, has voted for the winner in 23 of the last 29 presidential elections.
ITV News spoke to people in the city of Perrysburg to get a picture of who might so far have the lead in the presidential race.
Many said that they didn't vote for either Republican nominee Donald Trump or his Democract opponent Hillary Clinton in the recent Primary contest.
Many see Ohio as a must win as no Republican has ever won the White House without it.
The feeling on the streets here is that they aren't keen on either candidate- so it is all to play for.
US Republican Presidential candidate Ben Carson has officially suspended his bid for the White House.
The retired neurosurgeon said he did not see a "political path forward" after his rival Donald Trump and Democrat Hillary Clinton triumphed on Super Tuesday.
He formally ended his campaign on Friday.
The Presidential hopeful claimed the motivation behind the tweet was to be "associated with interesting quotes."Read the full story ›
Bush dropped out of the race after billionaire Donald Trump won the South Carolina Republican primary.Read the full story ›
Mrs Clinton beat off a tough challenge from Bernie Sanders in the Nevada caucus while Mr Trump won the Republican primary in South Carolina.Read the full story ›
Former New York City Mayor Michael Bloomberg has reportedly confirmed he is considering running for US President.
According to The Financial Times the media mogul said he was "looking at all the options" when asked whether he was considering putting himself forward for the presidency.
Democratic candidates all had strong words for the Republican frontrunner, even as they clashed with each other at their second debate.Read the full story ›
Former US Republican presidential nominee Mitt Romney will not run for president in 2016.
Romney's announcement comes just three weeks after he unexpectedly revealed he was considering a third shot at the White House. The former Massachusetts governor had told a small group of former donors in New York he was thinking about running again.
However, he then discovered that a number of his previous supporters had jumped ship to former Florida governor Jeb Bush.
Romney's exit from the campaign benefits the other favourites of the party's establishment wing including Bush, New Jersey Gov Chris Christie, Florida Sen Marco Rubio and Wisconsin Gov Scott Walker.
President Barack Obama is still holding a narrow advantage over presumptive Republican nominee Mitt Romney in three of the most pivotal presidential battleground states - Florida, Ohio and Virginia, according to new NBC-Marist polls.[
](http://firstread.msnbc.msn.com/news/2012/05/24/11854807-nbc-polls-obama-edges-romney-in-three-key-battleground-states?lite)More on this from MSNBC
Mitt Romney breezed to an easy victory in the Washington state Republican presidential caucuses, earning another momentum boost heading into next week's crucial "Super Tuesday" contests in 10 states.
With about 80 percent of precincts now in, Romney had 36 percent support.
The outcome marked a fourth state win for Romney this week, after the former Massachusetts governor picked up contests in Michigan, Arizona and Wyoming. He also won the other most recent vote, the Maine caucus on February 11.