Incumbent: Roby

District includes: Montgomery and southeast counties.

Incumbent: Rogers

District includes: Suburbs of Montgomery and Columbus, Ga. Cities of Talladega, Tuskegee, and Auburn.

Incumbent: Aderholt

District includes: Runs width of the state north of Birmingham and south of Huntsville. Includes Jasper, Gadsden, Fort Payne.

Incumbent: Brooks

District includes: Northern counties, including cities of Huntsville, Decatur, Florence, and Athens.

Incumbent: Bachus

District includes: Birmingham suburbs, Hoover.

Incumbent: Sewell

District includes: Tuscaloosa, Selma.

Incumbent: Young

District includes: Entire state.

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

District includes: Covers large, mostly rural area in the east and northeast of the state, but also includes Flagstaff, Sedona, and some Phoenix and Tucson suburbs.

Incumbent: Barber, who won a special election in June to replace his former boss, Gabrielle Giffords.

District includes: Southeast corner of the state, including most of Tucson.

Incumbent: Grijalva

District includes: Stretches south and west from Phoenix to the Mexican border. Includes Yuma and a portion of Tucson.

Incumbent: Gosar

District includes: Circles outer Phoenix suburbs and runs northwest along both the California and Nevada borders. Includes Prescott and Kingman.

Incumbent: Republican Jeff Flake, who is running for the US Senate.

District includes: Outer suburbs east of Phoenix, including Chandler and Gilbert.

Incumbent: Schweikert

District includes: North Phoenix suburbs and Scottsdale.

Incumbent: Pastor

District includes: Urban areas of Phoenix and Glendale.

Incumbent: Franks

District includes: Peoria, Sun City and suburbs northwest of Phoenix and Glendale.

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

District includes: East Phoenix suburbs, including Tempe, Mesa, and a portion of Scottsdale.

Incumbent: Crawford

District includes: Eastern and north central counties, including city of Jonesboro.

Incumbent: Griffin

District includes: Little Rock and suburbs.

Incumbent: Womack

District includes: Fayetteville and the northwest corner of the state.

Incumbent: Democrat Mike Ross, who is retiring.

District includes: Western and southwestern counties, including cities of Pine Bluff, Hot Springs, and Texarkana.

Incumbent: Republican Wally Herger, who is retiring.

District includes: Northeast counties bordering Nevada and Oregon. Includes Redding and some northern Sacramento suburbs.

Incumbent: Democrat Lynn Woolsey is retiring.

District includes: Coastal communities from the Golden Gate Bridge near San Francisco north for 300 miles to the Oregon border. Includes Marin and Sonoma counties and the cities of Eureka and San Rafael.

Incumbent: Garamendi

District includes: Stretches from Sacramento suburbs west through the fertile Napa Valley and north to Yuba City.

Incumbent: McClintock

District includes: Stretches from Truckee and Lake Tahoe along the Nevada border south through the central Sierras to Yosemite and Sequoia and Kings Canyon national parks.

Incumbent: Thompson

District includes: Includes Santa Rosa, Vallejo, and counties to the north. Also includes a sizable portion of Napa Valley.

Incumbent: Matsui

District includes: Sacramento and inner suburbs.

Incumbent: Lungren

District includes: Suburbs east of Sacramento, including Rancho Cordoba and Elk Grove.

Incumbent: Republican Jerry Lewis, who is retiring.

District includes: Large, rural district along the Nevada and Arizona borders west of Los Angeles. Includes Death Valley and the Mojave Desert. Most of the population is in San Bernardino County, including the city of Victorville.

Incumbent: McNerney

District includes: Area around Stockton and Lodi.

Incumbent: Denham

District includes: Agricultural counties around Modesto and Turlock.

Incumbent: Miller

District includes: Contra Costa County, including the cities of Concord and Richmond.

Incumbent: Pelosi

District includes: Urban San Francisco.

Incumbent: Lee

District includes: District on east coast of San Francisco Bay that includes Oakland, Alameda, and Berleley.

Incumbent: Speier

District includes: Suburbs south of San Francisco, including San Mateo, and Daly City.

Incumbent: Stark

District includes: Suburbs east of San Francisco, including much of Alameda County and cities of Hayward and Livermore.

Incumbent: Costa

District includes: Fresno and counties to the northeast, including the city of Merced.

Incumbent: Honda

District includes: Northern section of San Jose as well as Silicon Valley communities of Santa Clara, Sunnyvale, and Cupertino.

Incumbent: Eshoo

District includes: Silicon Valley cities of Palo Alto and Mountain View, and area west to the coast.

Incumbent: Lofgren

District includes: San Jose and suburbs in Santa Clara County.

Incumbent: Farr

District includes: Coastal and agricultural areas south of San Francisco, including Santa Cruz, Monterey, and Salinas.

Incumbent: None. Seat has been open since the resignation of Democrat Dennis Cardoza in August.

District includes: Part of Bakersfield and counties to the northeast in the southern Central Valley.

Incumbent: Nunes

District includes: Fresno suburbs and Tulare County.

Incumbent: McCarthy

District includes: Centered on Tulare and Kern counties. Includes portion of Bakersfield.

Incumbent: Capps

District includes: Long coastal district that runs from north of San Luis Obispo to Santa Barbara.

Incumbent: McKeon

District includes: Santa Clarita, Palmdale, and Simi Valley suburbs north of Los Angeles.

Incumbent: Republican David Dreier, who is retiring.

District includes: Coastal district north of Los Angeles that includes Oxnard, Thousand Oaks, and Ventura.

Incumbent: Chu

District includes: includes Pasadena, Glendora, and other suburbs east of Los Angeles, though most of the district is taken up by the Angeles National Forrest.

Incumbent: Schiff

District includes: San Fernando Valley suburbs north of Los Angeles, including Burbank, Glendale, and West Holywood.

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

District includes: New largely Hispanic district in the East San Fernando Valley. Includes the city of San Fernando and Van Nuys.

Incumbent: Berman and Sherman are both incumbents. They face each other because of redistricting and California's top-two primary system.

District includes: West San Fernando Valley suburbs, including Sherman Oaks and Encino.

Incumbent: Miller

District includes: San Bernadino and Redlands.

Incumbent: Napolitano

District includes: Suburbs east of Los Angeles, including West Covina and El Monte.

Incumbent: Waxman

District includes: Mostly coastal district west of Los Angeles that includes Santa Monica and Malibu, but also Beverly Hills.

Incumbent: Becerra

District includes: Urban Los Angeles.

Incumbent: Baca

District includes: Suburbs east of Los Angeles, including Ontario, Pomona, and Chino.

Incumbent: Mack

District includes: Short, squat district that runs from through the desert east of Los Angeles to the Arizona border and includes Palm Springs and Helmet.

Incumbent: Bass

District includes: Urban district includes South Central Los Angeles and Culver City.

Incumbent: Sanchez

District includes: Suburbs southeast of Los Angeles along I-605, including Whittier, Norwalk, and Cerritos.

Incumbent: Royce

District includes: Fullerton, Bueana Park, Yorba Linda and other Los Angeles suburbs.

Incumbent: Roybal-Allard

District includes: East Los Angeles and southern LA neighborhoods. Also neighboring suburbs, including Downey.

Incumbent: Republican Jerry Lewis is retiring.

District includes: Riverside and Moreno Valley.

Incumbent: Calvert

District includes: Corona, Murrieta, and parts of Riverside County.

Incumbent: Waters

District includes: South Los Angeles suburbs of Torrance, Inglewood, and Hawthorne.

Incumbent: Hahn and Richardson are both incumbents. They face each other because of redistricting and California's top-two primary system.

District includes: Southern Los Angeles neighborhoods, Lynwood, Compton, Carlson, and Port of Los Angeles.

Incumbent: Campbell

District includes: Portion of Orange County, including Irvine and Mission Viejo.

Incumbent: Sanchez

District includes: Portion of Orange County, including Anaheim, Orange, and Santa Ana.

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

District includes: City of Long Beach and some Orange County communities, such as Garden Grove.

Incumbent: Rohrabacher

District includes: Coast of Orange County, including Huntington Beach and Newport Beach.

Incumbent: Issa

District includes: Coastal district between Orange County and San Diego. Includes San Clemente, Oceanside and Carlsbad.

Incumbent: Hunter

District includes: Inland San Diego County, including Escondido and Lakeside.

Incumbent: Democrat Bob Filner, who is running for mayor of San Diego.

District includes: A portion of San Diego in the west, and runs east through the Imperial Valley, along California's entire Mexican border.

Incumbent: Bilbray

District includes: Northern and coastal portion of the city of San Diego, along with northern suburbs like La Jolla.

Incumbent: Davis

District includes: Part of San Diego, along with suburbs to the north and east, including Chula Vista, and El Cajon.

Incumbent: DeGette

District includes: Denver and some of its suburbs.

Incumbent: Polis

District includes: Stretches from the outskirts of Denver north to the Wyoming border. Includes cities of Boulder and Fort Collins.

Incumbent: Tipton

District includes: Huge district covers most of the western half of the state, including Pueblo and Grand Junction.

Incumbent: Gardner

District includes: Large, mostly rural district covers eastern third of the state

Incumbent: Lamborn

District includes: State's georgraphic center, including Colorado Springs.

Incumbent: Coffman

District includes: Eastern and southern Denver suburbs, including Aurora and part of Littleton.

Incumbent: Perlmutter

District includes: Western and northern Denver suburbs.

Incumbent: Larson

District includes: Greater Hartford area.

Incumbent: Courtney

District includes: New London and eastern counties.

Incumbent: DeLauro

District includes: New Haven and suburbs.

Incumbent: Himes

District includes: Stamford, Bridgeport and southeastern counties.

Incumbent: Democrat Chris Murphy, who is running for the US Senate.

District includes: Waterbury, Danbury and northwest counties.

Incumbent: Carney

District includes: Entire state.

Incumbent: Miller

District includes: Pensacola and the western counties in the panhandle.

Incumbent: Southerland

District includes: Tallahassee and central panhandle counties.

Incumbent: Republican Cliff Stearns, who lost his party's primary.

District includes: Eastern panhandle and bend. Includes Lake City and suburbs of Gainsville, Jacksonville and Ocala.

Incumbent: Crenshaw

District includes: Northeasternmost counties, surrounding Jacksonville.

Incumbent: Brown

District includes: Long, skinny district snakes 150 miles through the center of the state from Jacksonville to Gainsville to Orlando.

Incumbent: None. District is vacant due to redistricting.

District includes: St. Augustine, Daytona Beach and north coastal counties.

Incumbent: Mica

District includes: Winter Park, Deltona and north Orlando suburbs.

Incumbent: Posey

District includes: Midcoastal counties of Brevard and Indian River. Includes Titusville and Cape Canaveral, Palm Bay, and Vero Beach.

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

District includes: Orlando and suburbs. Osceola County.

Incumbent: Webster

District includes: Suburbs west of Orlando and part of Polk County, including Winter Haven and Disney World.

Incumbent: Nugent

District includes: From Ocala to the Gulf coast north of Tampa. Includes Spring Hill

Incumbent: Bilirakis

District includes: Northern Tampa suburbs, including Gulf coast cities of Port New Richie and Palm Harbor.

Incumbent: Young

District includes: Northern neighborhoods of St. Petersburg and most of Pinellas County, including Clearwater, Largo, and Dunedin.

Incumbent: Castor

District includes: Tampa and St. Petersburg.

Incumbent: Buchanan

District includes: Sarasota and Bradenton.

Incumbent: Rooney

District includes: Large district in the geographical center of the state, which also touches the Gulf coast at Port Charlotte.

Incumbent: West

District includes: Coastal district north of Miami. Includes Port St. Lucie,

Incumbent: Republican Connie Mack IV, who is running for US Senate.

District includes: Southern Gulf coastal district includes Fort Myers, Cape Coral, and Naples.

Incumbent: Hastings

District includes: Sections of Fort Lauderdale, Pompano Beach, and Palm Beach, along with interior sections of Palm Beach County.

Incumbent: Deutch

District includes: Coral Springs and non-coastal communities in Palm Beach and Broward counties, north of Miami.

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

District includes: Coastal communities north of Miami, including Palm Beach, Boca Raton, and part of Fort Lauderdale.

Incumbent: Wasserman Schultz

District includes: Holywood and suburbs north of Miami, Miami Beach.

Incumbent: Diaz-Balart

District includes: West Miami suburbs, including Hialeah and Doral, along with a large interior section that includes the northern Everglades.

Incumbent: Rivera

District includes: Southern tip of the state, including some Miami suburbs, Key West, and a large portion of the Everglades.

Incumbent: Ros-Lehtinen

District includes: South Miami, Homestead, and Coral Gables.