Impeaching President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE is unpopular in some swing districts, according to Republican polling obtained by Politico Playbook Monday.

The polling by the National Republican Congressional Committee identified five battleground districts where voters were opposed to impeachment.

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California's 21st, 39th and 45th, Georgia's 6th and New Jersey's 7th congressional district all had support for impeachment at 35 percent or lower in the poll.

Opposition to impeachment in those five districts was between 57 and 60 percent.

“Impeachment is not popular in suburban battleground districts carried by both President Trump and [2016 Democratic nominee] Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE," the NRCC concluded.

The polling of 400 likely voters in each district during late June comes as the Democratic Party is increasingly divided on impeachment.

Recent national polling on impeachment shows opposition outpacing support as well. According to Gallup, 53 percent of Americans are opposed to initiating the process, while 45 percent support doing so.

Despite a growing number of Democrats calling for impeachment after former special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE outlined multiple incidents of possible obstruction of justice against Trump, Speaker Nancy Pelosi Nancy PelosiPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Trump signs largely symbolic pre-existing conditions order amid lawsuit MORE (D-Calif.) has maintained she will not yet begin proceedings.

Mueller is set to testify in front of Congress on July 17.

Representatives from two of the surveyed districts, Katie Porter (D) from California's 45th and Tom Malinowski Thomas (Tom) MalinowskiDCCC reserves new ad buys in competitive districts, adds new members to 'Red to Blue' program The Hill's Morning Report - Presented by Facebook - First lady casts Trump as fighter for the 'forgotten' Hillicon Valley: Lawmakers introduce resolution condemning QAnon | US Cyber Command leader vows to 'defend forward' in protecting nation from cyberattacks MORE (D) from New Jersey's 7th, have publicly backed impeachment proceedings.

The other three districts highlighted are represented by Reps. T.J. Cox (D-Calif.), Gil Cisneros Gilbert (Gil) Ray CisnerosMORE (D-Calif.) and Lucy McBath Lucia (Lucy) Kay McBathThis week: House returns for pre-election sprint House Democrats' campaign arm reserves .6M in ads in competitive districts Black Lives Matter movement to play elevated role at convention MORE (D-Ga.)