Sen. Susan CollinsSusan Margaret CollinsTensions rise in Senate's legislative 'graveyard' 2020 Republicans accuse Schumer of snubbing legislation Key Republicans say Biden can break Washington gridlock MORE (R-Maine) has a large lead in her re-election race against Rep. Tom Allen (D), according to the Portland Press Herald.

Collins leads 57 percent to 36 percent in a survey released Tuesday. The poll was conducted by Pan Atlantic SMS Group, a market research company based in Portland, Maine.

In the presidential race, Barack ObamaBarack Hussein ObamaAs Buttigieg rises, Biden is still the target Debate gives Democrats a chance to focus on unaddressed issues of concern to black voters Is Joe Biden finished? MORE leads John McCainJohn Sidney McCainBudowsky: Trump destroying GOP in 2018, '19, '20 Conservative group cuts ties with Michelle Malkin Democratic debate at Tyler Perry's could miss the mark with black voters MORE 51 percent to 39 percent. (Though Maine awards one electoral vote to the winner of each of its two congressional districts, the poll only reported results for the entire state.)

The margin of error for the Senate and the presidential polls is 4.9 percent.

In the race for Allen's House seat, Democrat Chellie Pingree leads Republican Charlie Summers 43 percent to 32 percent. The margin of error the survey of the House race is 6.8 percentage points.