Incumbent: Nunnelee

District includes: Northeast portion of the state, including Tupelo and the college town of Oxford.

Incumbent: Thompson

District includes: Northwest and north central counties. Includes Vicksburg and a portion of Jackson, the state capital.

Incumbent: Harper

District includes: Crosses the state from the southwest corner to the Alabama border mid-state. Includes Meridian and a portion of Jackson.

Incumbent: Palazzo

District includes: Southeastern counties and Gulf Coast, including Biloxi, Gulfport, and Hattiesburg.

Incumbent: Clay

District includes: Downtown St. Louis and suburbs to the north

Incumbent: Republican Todd Akin, who, who is running for US Senate.

District includes: St. Louis and suburbs to the west and south.

Incumbent: Luetkemeyer

District includes: Forms semicircle around St. Louis suburbs and includes counties to the west as far as Jefferson City, the state capital.

Incumbent: Hartzler

District includes: Runs from Kansas border in the west to mid-state city of Columbia.

Incumbent: Cleaver

District includes: Kansas City and counties to the east.

Incumbent: Graves

District includes: Northern third of the state. Includes St. Joseph, Hannibal, and northern Kansas City suburbs.

Incumbent: Long

District includes: Southwest corner of the state, including Joplin, Branson, and Springfield.

Incumbent: Emerson

District includes: Southeastern quarter of the state.

Incumbent: Republican Denny Rehberg, who is running for the US Senate.

District includes: Entire state.

Incumbent: Fortenberry

District includes: Lincoln and counties surrounding Omaha.

Incumbent: Terry

District includes: Omaha metro area.

Incumbent: Smith

District includes: Rest of state besides Omaha and Lincoln areas.

Incumbent: Democrat Shelley Berkley, who is not running for re-election.

District includes: Las Vegas.

Incumbent: Amodei

District includes: Reno, Carson City and the northern half of the state.

Incumbent: Heck

District includes: Henderson and area south of Las Vegas.

Incumbent: None. District is newly created as a result of population gain.

District includes: North Las Vegas and huge area in the middle of the state.

Incumbent: Guinta

District includes: Manchester, Portsmouth, and eastern counties.

Incumbent: Bass

District includes: Concord, Keene, Hanover, and counties in the west and along the Massachusetts border.

Incumbent: Andrews

District includes: Camden, Cherry Hill and Philadelphia suburbs.

Incumbent: LoBiondo

District includes: Southernmost counties. Includes Atlantic City.

Incumbent: Runyan

District includes: Midstate district includes northern Philadelphia suburbs, Willingboro, and Tom's River.

Incumbent: Smith

District includes: Trenton and western suburbs, Red Bank.

Incumbent: Garrett

District includes: Top of the state, including most of Bergen and Passaic counties in metro New York City. Includes Hackensack and Paramus.

Incumbent: Pallone

District includes: Runs from New York suburbs of Edison, Piscataway, and Perth Amboy south along the coast to Asbury Park.

Incumbent: Lance

District includes: Newark and Jersey City.

Incumbent: Sires

District includes: Portion of Newark, along with Elizabeth, Bergen, Bayonne, and Union City.

Incumbent: Pascrell

District includes: Patterson, Clifton, Passaic, and suburbs bordering New York City.

Incumbent: Vacant since Democrat Donald Payne died in March.

District includes:

Incumbent: Frelinghuysen

District includes: North central district includes Parsippany and Wayne.

Incumbent: Holt

District includes: Trenton and northern suburbs, north to Princeton and East Brunswick.

Incumbent: Democrat Martin Heinrich, who is running for the US Senate.

District includes: Albuquerque and center of state

Incumbent: Pearce

District includes: Las Cruces, Carlsbad, Roswell, and southern and mid-state counties

Incumbent: Lujan

District includes: Santa Fe, Clovis, and northern counties

Incumbent: Bishop

District includes: Eastern two thirds of Long Island.

Incumbent: King

District includes: Babylon, Islip, and southwestern Suffolk County, Long Island.

Incumbent: Israel

District includes: Northwestern parts of Long Island, including Glen Cove and northern Nassau County, and Huntington in Suffolk County.

Incumbent: McCarthy

District includes: Hempstead and southern Nassau County, Long Island.

Incumbent: Meeks

District includes: Parts of New York City borough of Queens, including Jamaica and Kennedy Airport. Also extreme western end of Long Island.

Incumbent: None, as a result of redistricting.

District includes: Portions of the New York City borough of Queens, including Flushing.

Incumbent: Velazquez

District includes: Rambling New York City district includes a bit of Queens, a portion of Brooklyn, and Manhattan's Lower East Side.

Incumbent: None, as a result of redistricting.

District includes: Bay side of Brooklyn, including Canarsie, Brighton Beach, and Howard Beach. Also includes Bedford–Stuyvesant section.

Incumbent: Clarke

District includes: Central Brooklyn, including Park Slope, Flatbush, Crown Heights, and Brownsville.

Incumbent: Nadler

District includes: West Side and tip of Manhattan, and a portion of Brooklyn that includes Borough Park and Bensonhurst.

Incumbent: Grimm

District includes: New York City borough of Staten Island, along with Brooklyn waterfront neighborhoods of Bay Ridge and Gravesend.

Incumbent: Maloney

District includes: Midtown and Upper East Side of Manhattan, and Brooklyn and Queens neighborhoods across the East River, including Astoria and Long Island City.

Incumbent: Rangel

District includes: Manhattan neighborhoods of Harlem, East Harlem, Washington Heights, and Inwood. Also includes a section of the north Bronx.

Incumbent: Crowley

District includes: East Bronx.

Incumbent: Serrano

District includes: South Bronx.

Incumbent: Engel

District includes: The northernmost section of the Bronx, along with the Westchester County communities of New Rochelle, Yonkers, and Scarsdale.

Incumbent: Lowey

District includes: Parts of suburban Westchester and Rockland counties north of New York City, including White Plains, Nyack, and Peekskill.

Incumbent: Hayworth

District includes: Orange, Putnam, and a piece of Dutchess counties, north of New York City. Includes Newburg and Middletown.

Incumbent: Gibson

District includes: Large district runs from the Connecticut, Massachusetts, and Vermont borders in the east to Pennsylvania in the west, skirting Albany. Includes Poughkeepsie.

Incumbent: Tonko

District includes: Greater Albany area, including Schenectady and Troy.

Incumbent: Owens

District includes: Huge district runs from just north of Albany to the Canadian border, and west to Lake Ontario. Includes the Adirondacks, Glens Falls, Watertown, and Plattsburgh.

Incumbent: Hanna

District includes: Mid-state district includes Binghamton, Utica, and Syracuse suburbs.

Incumbent: Reed

District includes: Large, squat district in the south central and southwest counties. Includes Oswego and Ithaca.

Incumbent: Buerkle

District includes: Syracuse and southeastern shore of Lake Ontario.

Incumbent: Slaughter

District includes: Rochester and suburbs.

Incumbent: Higgins

District includes: Buffalo and suburbs.

Incumbent: Hochul

District includes: Stretches from the suburbs of Rochester in the east to the suburbs of Buffalo in the west.

Incumbent: Butterfield

District includes: Irregularly shaped district includes all or part of 23 counties in the northeast and north central part of the state, including Rocky Mount and most of Durham.

Incumbent: Ellmers

District includes: Counties in the center of the state. Covers portion of south and west Raleigh-Durham suburbs.

Incumbent: Jones

District includes: Covers northern and central coast, including Jacksonville and a portion of New Bern.

Incumbent: Price

District includes: Irregularly shaped district covers Raleigh, Chapel Hill and a portion of Durham and Fayetteville.

Incumbent: Foxx

District includes: Northwest counties and suburbs of Winston-Salem.

Incumbent: Coble

District includes: Counties in the center of the state bordering on Virginia. Includes a portion of Greensboro and northern Raleigh-Durham suburbs.

Incumbent: Democrat Mike McIntyre is running for re-election.

District includes: Large district runs from suburbs southeast of Raleigh to the south coast. Includes a portion of Wilmington.

Incumbent: Kissell

District includes: Fast-growing area east of Charlotte, along the South Carolina border.

Incumbent: Republican Sue Wilkins Myrick, who is not running for re-election.

District includes: Includes a large chunk of Charlotte, and suburbs on three sides.

Incumbent: McHenry

District includes: Counties along the South Carolina border from the west Charlotte suburbs to the Appalachians. Includes Gastonia and Ashville.

Incumbent: Democrat Heath Shuler, who is not running for re-election.

District includes: Includes the mountainous counties in the state's western tail, along the Tennessee and Georgia borders.

Incumbent: Watt

District includes: Skinny, meandering district includes downtown Charlotte and suburbs to the north, then snakes to downtown Winston-Salem and portions of High Point and Greensboro.

Incumbent: Democrat Brad Miller, who is not running for re-election.

District includes: Surrounds Raleigh on three sides and includes counties to the east.

Incumbent: Republican Rick Berg, who is running for the US Senate.

District includes: Entire state.

Incumbent: Chabot

District includes: Southwest corner of the state, including large portion of Cincinnati and its suburbs.

Incumbent: Republican Jean Schmidt, who was defeated in a primary.

District includes: Cincinnati and its eastern suburbs, plus counties to the east along the border with Kentucky.

Incumbent: None, as a result of redistricting.

District includes: Greater Columbus.

Incumbent: Jordan

District includes: Long W-shaped district begins in Cleveland suburbs, runs inland west through Elyria towards Toledo, then south and west to Lima.

Incumbent: Latta

District includes: Northwest corner of the state, including suburbs of Toledo.

Incumbent: Johnson

District includes: State's largest single district stretches along the entire West Virginia border.

Incumbent: Gibbs

District includes: Large C-shaped district with suburbs of Cleveland at one end, and Canton at the other.

Incumbent: Kaptur

District includes: Long, thin district includes Toledo and runs east along the coast of Lake Erie to the Cleveland suburbs.

Incumbent: Turner

District includes: Dayton and surrounding counties.

Incumbent: Tiberi

District includes: Counties north and east of Columbus. Includes Zanesville.

Incumbent: Ryan

District includes: District surrounds Akron on three sides and continues due east to Youngstown and the Pennyslvania border.

Incumbent: Republican Steven LaTourette, who is not running for re-election.

District includes: Northeast corner of the state, including Cleveland suburbs.

Incumbent: Stivers

District includes: Columbus suburbs and counties to the south and east.

Incumbent: Republican James Renacci, who is running for re-election against 13th District incumbent Betty Sutton as a result of redistricting.

District includes: Includes Cleveland suburbs in the north, Wooster in the south, and the outskirts of Canton in the east.

Incumbent: Republican John Sullivan, who was defeated in a primary.

District includes: Tulsa, Bartlesville.

Incumbent: Democrat Dan Boren, who is not running for re-election.

District includes: Eastern counties.

Incumbent: Lucas

District includes: Panhandle and north and west counties. Includes Stillwater.

Incumbent: Cole

District includes: Norman, Lawton and south central counties.

Incumbent: Lankford

District includes: Oklahoma City and suburbs.

Incumbent: Bonamici

District includes: West Portland suburbs and northwest counties.

Incumbent: Walden

District includes: Western two thirds of the state.

Incumbent: Blumenauer

District includes: Portland and western suburbs.

Incumbent: DeFazio

District includes: F-shaped district with Pacific Ocean at the top and the arm stretching to south Portland suburbs.

Incumbent: Schrader

District includes: Southwestern counties, including college towns of Eugene and Corvallis.