Women back the Democrat 53- 41 percent.
"We've seen repeated attempts to try and divide us, with rhetoric created to make us angry and make us fearful", Obama said, adding that Tuesday's midterm elections are a chance to shift to a "politics based on a sense we are all in this together". Twenty-seven states plus the District of Columbia have recorded more early votes at this point in the campaign than they did in all of 2014, according to The Election Project at the University of Florida, which tracks turnout. For Democrats in particular, Saturday's dramas began on Friday evening. The US President Donald Trump has been hitting the campaign trail hard on behalf of the Republicans.
"You know what, it's an old playbook", Obama said after another protester interrupted him.More news: Netanyahu: stability in Saudi Arabia vital
Reciting faithfully from what has become his midterm songbook, he touted Supreme Court Justice Brett Kavanaugh's confirmation and issued yet another ominous - and nearly entirely fact-free - warning about a group of migrants, hundreds of miles and weeks away in Mexico, headed for the USA border in search of asylum.
Trump himself - who infamously pushed the falsehood that the country's first black president was not born in the United States - stands accused of driving Americans ever further apart, with nearly 8 in 10 black people surveyed by Quinnipiac in July judging that he is racist. That is some kind of gall.
Trump, who is repeatedly called out for an unprecedented number of falsehoods and misleading statements, accused Obama of being dishonest.
After Miami, Obama was headed to Georgia to campaign for Stacey Abrams, a former state legislator aiming to become the nation's first black female governor.More news: Krunal Pandya, Khaleel Ahmed handed maiden T20I cap
Also attending the Kissimmee rally will be the wife of Democratic gubernatorial candidate Andrew Gillum and two US representatives of Puerto Rican background - Darren Soto of Florida and Nydia Velazquez of NY.
The final stretch of the campaign has been marred by the murder of two African-American grocery shoppers in Louisville, Kentucky - shot dead by a white gunman in what police say was a racially motivated attack. More than 948,000 voters with no party affiliation have also voted.
"You have a president that's going to be here today and you have an entertainer that's in office right now", said Rashawn Watson, a Democrat from Miami Gardens.
One coalition initiative, aptly named The Last Weekend, will be put to the test now after months of organizing and promotion. Last week, RCP gave Democrats 44 "safe" seats; that number has dwindled by one (West Virginia) to just 43.More news: Prince Charles arrives in Ghana today
They expect that number to skyrocket as Election Day nears.