Republicans are eyeing a path to the House majority that takes them through Trump country.

The GOP has already put 55 districts held by Democrats on its target list for 2020. But Republican hopes are highest in the 31 districts that President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE carried in 2016. That includes 13 districts where the real estate mogul bested Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE by more than 6 points.

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Meanwhile, only three GOP lawmakers hold districts where Clinton won in 2016 — Reps. Will Hurd William Ballard HurdHillicon Valley: Oracle confirms deal with TikTok to be 'trusted technology provider' | QAnon spreads across globe, shadowing COVID-19 | VA hit by data breach impacting 46,000 veterans House approves bill to secure internet-connected federal devices against cyber threats House Democrats' campaign arm reserves .6M in ads in competitive districts MORE (Texas), John Katko John Michael KatkoThis week: House returns for pre-election sprint Hillicon Valley: Simulated cyberattack success | New bill for election security funding | Amazon could be liable for defective products Lawmakers introduce bill to help election officials address cyber vulnerabilities MORE (N.Y.) and Brian Fitzpatrick Brian K. FitzpatrickFlorida Democrat introduces bill to recognize Puerto Rico statehood referendum DCCC reserves new ad buys in competitive districts, adds new members to 'Red to Blue' program 2020 Global Tiger Day comes with good news, but Congress still has work to do MORE (Pa.).

Those lawmakers are among 33 Republicans that Democrats are hoping to oust in 2020 as the party looks to expand its nascent House majority.

Republicans need to pick up roughly 20 seats to win back control of the lower chamber.

Here’s a look at where next year’s battles for the House will be fought:

Trump-won districts held by Democrats

AZ-01

Rep. Tom O’Halleran (D-Ariz.) held onto his seat in November after notching a decisive 7.6-point victory over Republican challenger Wendy Rogers. Trump edged out Clinton in Arizona’s 1st District in 2016 by just over 1 point.

GA-06

Rep. 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’s (D-Ga.) 2018 victory in Georgia’s 6th District brought former Rep. Karen Handel Karen Christine HandelHouse Democrats' campaign arm reserves .6M in ads in competitive districts Black Lives Matter movement to play elevated role at convention QAnon backer Marjorie Taylor Greene wins Georgia GOP runoff MORE’s (R-Ga.) brief tenure in the House to an end and handed Democrats a House seat they had aggressively sought in a 2017 special election. Trump won there in 2016 by 1.5 points.

IL-14

Rep. Lauren Underwood Lauren UnderwoodObama announces first wave of 2020 endorsements The Hill's Coronavirus Report: GoDaddy CEO Aman Bhutani says DC policymakers need to do more to support ventures and 'solo-preneurs'; Federal unemployment benefits expire as coronavirus deal-making deadlocks The Hill's Coronavirus Report: iBIO Chairman and CEO Thomas Isett says developing a safe vaccine is paramount; US surpasses 150,000 coronavirus deaths with roughy one death per minute MORE (D-Ill.) dethroned four-term former Rep. Randy Hultgren Randall (Randy) Mark HultgrenRepublican challenging freshman Dem rep says he raised 0,000 in 6 days Illinois Dems offer bill to raise SALT deduction cap The 31 Trump districts that will determine the next House majority MORE (R-Ill.) in November to become the youngest black woman ever elected to Congress. Trump notched a nearly 4-point win in her district in 2016, however, and the GOP is looking to turn it red again in 2020.

IL-17

Rep. Cheri Bustos Cheryl (Cheri) Lea BustosThe Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally DCCC dropping million on voter education program Clark rolls out endorsements in assistant Speaker race MORE (D-Ill.) easily coasted to a fourth term in 2018, beating back a challenge from Republican Bill Fawell. She’s currently the chairwoman of the Democratic Congressional Campaign Committee (DCCC), meaning that she’ll be tasked with preserving the Democrats’ House majority in 2020, along with her own seat. Trump notched a slim 0.7-point victory in her district in 2016.

IA-01

Rep. Abby Finkenauer Abby Lea FinkenauerTrump asked Chamber of Commerce to reconsider Democratic endorsements: report House Democrats' campaign arm reserves .6M in ads in competitive districts GOP leader says he doesn't want Chamber's endorsement: 'They have sold out' MORE (D-Iowa) ousted two-term former Rep. Rod Blum (R-Iowa) in this northeast Iowa district in November — one of two Iowa districts that Democrats managed to flip in 2018, along with the state’s 3rd District. Still, Trump won there by about 3.5 points two years earlier.

IA-02

Rep. Dave Loebsack David (Dave) Wayne LoebsackHouse Democrats target Midwestern GOP seats The Hill's Campaign Report: Physician candidates lean on medical experience amid coronavirus campaigning Doctors boost Democrats' hopes to keep House MORE (D-Iowa) secured a seventh term in the House last year, beating back a challenge from Republican Christopher Peters. Trump won his southeastern Iowa district two years earlier by a roughly 4-point margin.

IA-03

Rep. Cindy Axne Cindy AxneHouse passes bill to avert shutdown House moves toward spending vote after bipartisan talks House Democrats mull delay on spending bill vote MORE’s (D-Iowa) win over former Rep. David Young David Edmund YoungEric Idle threatens to sue GOP committee over use of Monty Python song in ad Trump: DeJoy should be removed if it 'can be proven that he did something wrong' The Hill's 12:30 Report - Presented by Facebook - Trump's Labor Day news conference MORE (R-Iowa) gave Democrats more good news in the Hawkeye State; it was among key wins there that handed the party three spots in Iowa’s four-member House delegation. Trump won the district in 2016 by 3.5 points.

ME-02

Rep. Jared Golden (D-Maine) may not have won the most votes on Election Day. But thanks to Maine’s recent switch to ranked-choice voting, he finished with enough votes to defeat former Rep. Bruce Poliquin Bruce Lee PoliquinBallot measures across US aim to overhaul voting practices Dale Crafts wins Maine GOP primary to face Rep. Jared Golden House Democrats make initial ad buys in battleground states MORE (R-Maine) days after polls closed. Trump previously won Maine’s 2nd District by more than 10 points.

MI-08

Rep. Elissa Slotkin Elissa SlotkinWray: Racially motivated violent extremism makes up most of FBI's domestic terrorism cases Overnight Defense: House chair announces contempt proceeding against Pompeo | Top general says military has no role in election disputes | Appeal court rejects due process rights for Gitmo detainees Top general: Military will play no role in resolving any electoral dispute MORE (D-Mich.) ousted former Rep. Mike Bishop (R-Mich.) in Michigan’s 8th District, two years after Trump scored a nearly 7-point win over Clinton. Slotkin’s victory was seen by many as a sign of a Democratic resurgence in the Upper Midwest, an area that played a crucial role in sending Trump to the White House.

MI-11

Rep. Haley Stevens Haley Maria StevensUS Chamber of Commerce set to endorse 23 House freshman Democrats Eric Esshaki wins Michigan GOP primary to challenge Haley Stevens The Hill's Campaign Report: Buzz builds around Warren for VP MORE (D-Mich.) defeated Republican Lena Epstein in November in the race to succeed now-retired Rep. David Trott (R-Mich.). In doing so, she became the first Democrat elected to a full two-year term in Michigan’s 11th District since 1964. Trump previously won her district by more than 3 points.

MN-02

In defeating freshman former Rep. Jason Lewis Jason Mark LewisThe Hill's Campaign Report: Trump and Biden vie for Minnesota | Early voting begins in four states | Blue state GOP governors back Susan Collins GOP Senate candidate says Trump, Republicans will surprise in Minnesota Tina Smith wins Democratic Senate primary in Minnesota MORE (R-Minn.) last year, Rep. Angie Craig (D-Minn.) handed Democrats a crucial victory in a coveted swing seat. Trump notched a victory in the suburban Twin Cities district two years earlier, besting Clinton by little more than 1 point.

MN-07

Rep. Collin Peterson Collin Clark PetersonThe Hill's Campaign Report: 19 years since 9/11 | Dem rival to Marjorie Taylor Greene drops out | Collin Peterson faces fight of his career | Court delivers blow to ex-felon voting rights in Florida Peterson faces fight of his career in deep-red Minnesota district Democrats for Life urge DNC to change party platform on abortion MORE (D-Minn.) won a 15th term representing this vast western Minnesota district in 2018, despite Trump’s nearly 31-point victory there two years earlier. That alone makes him a prime target for Republicans in 2020.

NV-03

Rep. Susie Lee Suzanne (Susie) Kelley LeeMORE’s (D-Nev.) win over Republican Danny Tarkanian kept Nevada’s 3rd District in Democratic hands after Jacky Rosen Jacklyn (Jacky) Sheryl RosenHillicon Valley: Election officials prepare for new Russian interference battle | 'Markeyverse' of online fans helps take down a Kennedy | GOP senators unveil bill to update tech liability protections Google, Apple, eBay to meet virtually with lawmakers for tech group's annual fly-in Senate Democrats demand answers on migrant child trafficking during pandemic MORE (D-Nev.) vacated the seat to run for Senate. Trump carried the district by 1 point over Clinton in 2016.

NH-01

Rep. Chris PappasChristopher (Chris) Charles PappasTrump-backed candidate wins NH GOP primary to take on Pappas Democrats demand Esper explicitly ban Confederate flag and allow Pride, Native Nations flags Trade groups make lobbying push to be included in small business loan program MORE’s (D-N.H.) 8.6-point win over Republican Eddie Edwards in 2018 kept New Hampshire’s 1st District in Democratic hands after former Rep. Carol Shea-Porter Carol Shea-PorterThe 31 Trump districts that will determine the next House majority New Hampshire New Members 2019 Democrat Chris Pappas wins New Hampshire House seat MORE (D-N.H.) announced that she would not seek reelection. That win was a relief for Democrats after Trump narrowly won the district in 2016.

NJ-02

Rep. Jefferson Van Drew (D-N.J.) won New Jersey’s 2nd District in November after going up against Trump-backed Republican Seth Grossman in his bid to succeed former Rep. Frank LoBiondo Frank Alo LoBiondoVan Drew wins GOP primary in New Jersey Amy Kennedy wins NJ primary to face GOP's Van Drew Stimulus price tag of .2T falls way short, some experts say MORE (R-N.J.), who retired in January. Trump beat out Clinton in the district by nearly 5 points.

NJ-03

Rep. Andy Kim (D-N.J.) unseated two-term former Rep. Tom MacArthur Thomas (Tom) Charles MacArthurRepublican David Richter wins NJ primary in race to challenge Rep. Andy Kim What to watch in New Jersey's primaries on Tuesday Republicans plot comeback in New Jersey MORE (R-N.J.) in November, a win that left only one Republican in New Jersey’s congressional delegation, Rep. Chris Smith Christopher (Chris) Henry SmithChina sanctioning Rubio, Cruz in retaliatory move over Hong Kong China sanctions Cruz, Rubio, others over Xinjiang legislation New Jersey incumbents steamroll progressive challengers in primaries MORE. But Trump still carried the district by more than 6 points in 2016, making Kim’s seat a prime target for the GOP in 2020.

NJ-05

Rep. Josh Gottheimer Joshua (Josh) GottheimerCentrist House group offers bipartisan COVID-19 relief deal Hillicon Valley: Lawmakers introduce resolution condemning QAnon | US Cyber Command leader vows to 'defend forward' in protecting nation from cyberattacks House Democrats request briefing on seizure of terrorist cryptocurrency assets MORE (D-N.J.) easily fended off a challenge from Republican John McCann in November, despite Trump’s narrow 1.1-point victory in the district. While Gottheimer’s win bolstered Democratic hopes in the district, Republicans still see the two-term congressman as a target in 2020.

NJ-11

Rep. Mikie Sherrill Rebecca (Mikie) Michelle SherrillHillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll House passes legislation to boost election security research Lawmakers call for bipartisan push to support scientific research MORE (D-N.J.) beat out Republican Jay Webber by nearly 15 points in 2018 in the race to succeed now-retired Rep. Rodney Frelinghuysen Rodney Procter FrelinghuysenBottom line Republican lobbying firms riding high despite uncertainty of 2020 race Ex-Rep. Frelinghuysen joins law and lobby firm MORE (R-N.J.). Sherrill was the first Democrat elected to represent the district in the House since 1982, and Republicans are eager to take it back in 2020. Trump carried the district by just under 1 point in 2016.

NM-02

Rep. Xochitl Torres Small (D-N.M.) won the right to succeed former Rep. Steve Pearce Stevan (Steve) Edward PearceFive Latinas who could be Biden's running mate New Mexico Dems brace for crowded race to succeed Udall The 31 Trump districts that will determine the next House majority MORE (R-N.M.) in this vast southern New Mexico district after narrowly overcoming a challenge from Republican Yvette Herrell in November. Trump carried the district in 2016 by roughly 10 points.

NY-11

In defeating former Rep. Dan Donovan (R-N.Y.) last year, Rep. Max Rose Max RoseLawmakers fear voter backlash over failure to reach COVID-19 relief deal The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep Navy cancels training flight over NYC on 9/11 after criticism MORE (D-N.Y.) dethroned the only Republican member of New York City’s congressional delegation. Trump won the Staten Island district two years earlier by a nearly 10-point margin.

NY-18

Rep. Sean Patrick Maloney (D-N.Y.) sailed to an easy victory over Republican James O’Donnell last year after an unsuccessful primary bid for New York attorney general. Trump notched a narrow win in Maloney’s district in 2016, edging out Clinton by less than 2 points.

NY-19

Rep. Antonio DelgadoAntonio Ramon DelgadoGOP leader says he doesn't want Chamber's endorsement: 'They have sold out' US Chamber of Commerce set to endorse 23 House freshman Democrats Democrats go big on diversity with new House recruits MORE (D-N.Y.) ousted former Rep. John Faso John James FasoDemocrats go big on diversity with new House recruits Kyle Van De Water wins New York GOP primary to challenge Rep. Antonio Delgado The most expensive congressional races of the last decade MORE (R) in 2018 after a bitter campaign in which some Republican groups attacked Delgado over his past career as a rapper. Trump carried the district in 2016 by nearly 7 points.

NY-22

Rep. Anthony Brindisi (D-N.Y.) wrestled this district from one-term former Rep. Claudia Tenney (R-N.Y.) in November after voters there chose Trump over Clinton by a more than 15-point margin. But Brindisi’s victory was a tight one — less than 2 points — and he’s almost certain to face an aggressive GOP challenge next year.

OK-05

In what was one of election night 2018’s biggest upsets, Rep. Kendra Horn Kendra Suzanne HornGOP women's group rolls out six-figure campaign for Ernst Trump asked Chamber of Commerce to reconsider Democratic endorsements: report Officials say NASA facing increased targeting by foreign and domestic hackers MORE (D-Okla.) defeated former Rep. Steve Russell Steven (Steve) Dane RussellGOP women's group launches six-figure campaign for House candidate Bice Bice wins Oklahoma GOP runoff to face Horn in November House Democrats target Midwestern GOP seats MORE (R-Okla.), turning Oklahoma’s 5th District blue for the first time in more than 40 years. But with Trump’s roughly 13-point victory there in 2016, Horn’s reelection is far from sealed.

PA-08

Rep. Matt Cartwright Matthew (Matt) Alton CartwrightRaces heat up for House leadership posts Trump Jr. seeks to elect 'new blood' to Republican Party Republicans face worsening outlook in battle for House MORE (D-Pa.) won a fourth term in the House in November after beating back a challenge from Republican John Chrin in Pennsylvania’s newly formed 8th District. Previously, Cartwright had represented the state’s 17th District. Trump won the area by nearly 10 points.

PA-17

Rep. Conor Lamb (D-Pa.) won his first House seat in the March 2018 special election for Pennsylvania’s 18th District. But redistricting led him to face off against former Rep. Keith Rothfus Keith James RothfusCNN's Tapper tried to talk GOP candidate out of running against Democratic incumbent: report Lobbying world Conor Lamb gets 2020 challenger touted by Trump MORE (R-Pa.) in the state’s 17th District in November. He won that race by nearly 13 points, despite Trump’s 2.6-point victory there in 2016.

SC-01

Rep. Joe Cunningham Joseph CunninghamWarning signs flash for Lindsey Graham in South Carolina Trump asked Chamber of Commerce to reconsider Democratic endorsements: report GOP leader says he doesn't want Chamber's endorsement: 'They have sold out' MORE (D-S.C.) vanquished former South Carolina state Rep. Katie Arrington (R) in this low country district last year, becoming the first Democrat to represent it in Washington since the 1980s. Trump carried the district by about 13 points in 2016.

UT-04

Rep. Ben McAdams (D-Utah) was declared the winner in this district last year after a prolonged vote-counting process gave him an ultra-thin 694-lead over two-term former Rep. Mia Love Ludmya (Mia) LoveFormer NFL player Burgess Owens wins Utah GOP primary The Hill's Campaign Report: The political heavyweights in Tuesday's primary fights The biggest political upsets of the decade MORE (R-Utah). That margin — 0.258 percent — was just over the 0.25 percent that would have allowed for a recount. Trump beat out Clinton in the district in 2016 by nearly 7 points.

VA-02

Rep. Elaine Luria Elaine Goodman LuriaCongress must finish work on popular conservation bill before time runs out Virginians wait up to four hours to cast early voting ballots US Chamber of Commerce set to endorse 23 House freshman Democrats MORE’s (D-Va.) win over former Rep. Scott Taylor Scott William TaylorBottom line Bottom line Republican Scott Taylor wins Virginia primary, to face Elaine Luria in rematch MORE (R-Va.) in Virginia’s 2nd District was among three Democratic victories that flipped GOP-held seats in the Old Dominion. Trump previously scored a 3.4-point victory in the district.

VA-07

Rep. Abigail Spanberger Abigail Davis SpanbergerTrump asked Chamber of Commerce to reconsider Democratic endorsements: report Virginians wait up to four hours to cast early voting ballots The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Pence lauds Harris as 'experienced debater'; Trump, Biden diverge over debate prep MORE (D-Va.) vanquished former Rep. Dave Brat (R-Va.) in this Richmond-area district, winning the right to succeed a conservative firebrand who rose to power at the height of the Tea Party movement four years earlier. Trump won Virginia’s 7th District by 6.5 points in 2016.

WI-03

Despite Trump’s 2016 victory in this western Wisconsin district, Rep. Ron Kind Ronald (Ron) James KindWisconsin Rep. Ron Kind wins primary Democrats exit briefing saying they fear elections under foreign threat Bottom line MORE (D-Wis.) secured a 12th term in the House last year, scoring a nearly 20-point victory over Republican Steve Toft. His win was another welcome sign for Democrats for signs of strength in the upper Midwest.

Clinton-won districts held by Republicans

NY-24

Despite Clinton’s 3.6-point win in his district in 2016, Rep. John Katko (R-N.Y.) notched a roughly 5-point victory over his Democratic challenger, Dana Balter in 2018. Democrats aren’t giving up, however. Katko is on the DCCC’s target list for 2020.

PA-01

After an expensive and closely watched race against wealthy philanthropist Scott Wallace in 2018, Rep. Brian Fitzpatrick secured a second term in the House. Fitzpatrick’s win in a district that Clinton carried by 2 points stood in contrast to a long series of losses by other Republicans in suburban districts across the country. Still, that has left Democrats eager to challenge him again next year.

TX-23

Rep. Will Hurd’s (R-Texas) vast district on the U.S.-Mexico border has long been on Democrats’ wish list. He successfully fought off an aggressive challenge from Democrat Gina Ortiz Jones last year — Hurd won by just 0.5 points — and Democrats are hoping for a different outcome in 2020. Clinton carried the district by 3.4 points over Trump in 2016.