Poll: Trump trails three Democrats by 10 points in Colorado

A new poll finds President TrumpDonald John TrumpDem senator says Zelensky was 'feeling the pressure' to probe Bidens 2020 Dems slam Trump decision on West Bank settlements Trump calls latest impeachment hearings 'a great day for Republicans' MORE trailing three Democratic White House hopefuls by 10 points in Colorado, a purple state with a competitive Senate race that has trended blue in recent elections.

The latest Emerson College survey finds former Vice President Joe BidenJoe Biden2020 Dems slam Trump decision on West Bank settlements Trump calls latest impeachment hearings 'a great day for Republicans' Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul MORE, Sen. Bernie SandersBernie Sanders2020 Dems slam Trump decision on West Bank settlements Sanders doubles down on Bolivia 'coup,' few follow suit Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul MORE (I-Vt.) and South Bend, Ind., Mayor Pete ButtigiegPeter (Pete) Paul Buttigieg2020 Dems slam Trump decision on West Bank settlements Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul Buttigieg surges to 10-point lead in New Hampshire: poll MORE all leading Trump by a margin of 55 percent to 45 percent.

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Sen. Elizabeth WarrenElizabeth Ann Warren2020 Dems slam Trump decision on West Bank settlements Sanders doubles down on Bolivia 'coup,' few follow suit Overnight Health Care: GOP senator says drug price action unlikely this year | House panel weighs ban on flavored e-cigs | New York sues Juul MORE (D-Mass.) has a 7 point advantage over Trump, leading 53 to 46. Sen. Kamala HarrisKamala Devi HarrisKamala Harris endorses Christy Smith in bid to fill Katie Hill's seat Poll: Biden holds 11-point lead over Warren in Arizona Poll: Biden and Warren are neck and neck in California MORE (D-Calif.) leads Trump 51 to 48, which is within the poll’s margin of error.

Democrat Hillary ClintonHillary Diane Rodham ClintonDemocrats ask judge for quick ruling on McGahn subpoena Hillary Clinton: 'Every day Stephen Miller remains in the White House is an emergency' The Memo: Centrists change tone of Democratic race MORE defeated Trump by nearly 5 points in Colorado in 2016. Colorado is considered a battleground state, but it gone for the Democratic presidential candidate in the past three cycles.

Sen. Cory GardnerCory Scott GardnerFeehery: Pivoting to infrastructure could help heal post-impeachment wounds Tariffs threaten 1.5M jobs: Study This week: House kicks off public phase of impeachment inquiry MORE (R-Colo.) is up for reelection in 2020 and is widely viewed as the most vulnerable GOP incumbent in the Senate.

The poll found Gardner trailing former Colorado Gov. John HickenlooperJohn HickenlooperKrystal Ball dismisses Rahm Emanuel's 'Medicare for All' criticism as a 'corporatist mantra' Trump says remark about Colorado border wall was made 'kiddingly' Colorado governor mocks Trump for saying he's building wall there MORE by 13 points in a hypothetical match-up, with Hickenlooper taking 53 percent to Gardner’s 40 percent.

Hickenlooper ended his long-shot bid for president last week and said he is considering joining the crowded Democratic primary field, which already includes 15 other candidates, including former U.S. Ambassador Dan Baer, former state House Speaker Andrew Romanoff, state Sen. Angela Williams and former state Sen. Mike Johnston.

Gardner, who ousted Sen. Mark UdallMark Emery UdallDemocrats will win back the Senate majority in 2020, all thanks to President Trump Poll: Trump trails three Democrats by 10 points in Colorado The Hill's Morning Report — Trump and the new Israel-'squad' controversy MORE (D) in 2014, has $4.9 million in his campaign account, making him one of the most well-funded Republican incumbents up for reelection this year.

The Emerson College poll of 1,000 registered voters was conducted from Aug. 16 to Aug. 19 and has a 3 percentage point margin of error.