Illinois's 12th Congressional District (IL-12)

Population

746,831

Median household income

$68,540

Median age

41.6

Bachelor's degree or higher

24.4%

Census Bureau, 2020–2024 American Community Survey 5-year estimates

IL-12 covers all of 273 places, the largest Carbondale, Marion, and Mount Vernon, and part of 10 more places, the largest Belleville, O'Fallon, and Charleston.

Addieville, Albers, Albion, Allendale, Alma, Altamont, Alto Pass, Anna, Annapolis, Ashley, Ashmore, Ava, Aviston, Baldwin, Bartelso, Beckemeyer, Beecher City, Belknap, Belle Prairie City, Belle Rive, Belleville (part), Bellmont, Benton, Blairsville, Bluford, Bone Gap, Bonnie, Breese, Bridgeport, Brookport, Broughton, Browns, Buckner, Buncombe, Burnt Prairie, Bush, Cairo, Calhoun, Cambria, Campbell Hill, Carbondale, Carlyle, Carmi, Carrier Mills, Carterville, Casey, Caseyville (part), Cave-In-Rock, Central City, Centralia, Charleston (part), Chester, Christopher, Cisne, Claremont, Clay City, Cobden, Colp, Columbia, Coulterville, Crab Orchard, Crainville, Creal Springs, Crossville, Cutler, Cypress, Dahlgren, Damiansville, Darmstadt, De Soto, Dieterich, Dix, Dongola, Dowell, Du Bois, Du Quoin, Dundas, Dupo (part), East Cape Girardeau, Eddyville, Edgewood, Effingham, Eldorado, Elizabethtown, Elkville, Ellis Grove, Energy, Enfield, Equality, Evansville, Ewing, Fairfield, Fairview Heights (part), Farina (part), Fayetteville, Flat Rock, Flora, Floraville, Freeburg, Freeman Spur, Fults, Galatia, Germantown, Golconda, Golden Gate, Goreville, Gorham, Grand Tower, Grayville, Greenup, Hanaford, Harrisburg, Harrison, Hecker, Herrin, Hidalgo, Hoffman, Hoyleton, Huey, Hurst, Hutsonville, Ina, Iola, Irvington, Iuka, Janesville, Jeffersonville, Jewett, Johnsonville, Johnston City, Jonesboro, Joppa, Junction, Junction City, Karnak, Kaskaskia, Keenes, Keensburg, Kell, Keyesport (part), Kinmundy, Lawrenceville, Lebanon, Lenzburg, Lerna, Louisville, Macedonia, Maeystown, Makanda, Marion, Marissa, Marshall, Martinsville, Mascoutah, Mason, Mattoon (part), Maunie, McClure, McLeansboro, Metropolis, Mill Creek, Mill Shoals, Millstadt, Montrose, Mound City, Mounds, Mount Carmel, Mount Erie, Mount Vernon, Muddy, Mulkeytown, Murphysboro, Nashville, Nason, Neoga, New Athens, New Baden, New Burnside, New Grand Chain, New Haven, New Minden, Newton, Noble, Norris City, North City, O'Fallon (part), Oakdale, Oakland, Oblong, Odin, Okawville, Old Shawneetown, Olive Branch, Olmsted, Olney, Omaha, Opdyke, Orient, Paderborn, Palestine, Parkersburg, Patoka, Percy, Phillipstown, Pinckneyville, Pittsburg, Prairie du Rocher, Pulaski, Radom, Raleigh, Red Bud, Rentchler, Richview, Ridgway, Robinson, Rockwood, Rose Hill, Rosiclare, Royalton, Ruma, Russellville, Sailor Springs, Salem, Sandoval, Scott AFB, Sesser, Shawneetown, Shiloh (part), Shumway, Simpson, Sims, Smithton, Sparta, Spillertown, Springerton, St. Francisville, St. Johns, St. Libory, St. Rose, Ste. Marie, Steeleville, Stonefort, Stoy, Summerfield, Sumner, Tamaroa, Tamms, Teutopolis, Thebes, Thompsonville, Tilden, Toledo, Trenton, Trilla, Ullin, Unity, Valier, Valmeyer, Venedy, Vergennes, Vernon, Vienna, Walnut Hill, Waltonville, Wamac, Waterloo, Watson, Wayne City, West City, West Frankfort, West Liberty, West Salem, West Union, West York, Westfield, Wheeler, Whiteash, Willisville, Willow Hill, Woodlawn, Xenia, Yale, Zeigler

IL-12 covers all of 246 ZIP codes and part of 40 more.

61912, 61920 (part), 61928 (part), 61930 (part), 61933 (part), 61938 (part), 61943 (part), 61944 (part), 62208 (part), 62214, 62215, 62216 (part), 62217, 62218, 62219, 62220 (part), 62221 (part), 62223 (part), 62225, 62226 (part), 62230, 62231, 62232 (part), 62233, 62234 (part), 62236, 62237, 62238, 62239 (part), 62240 (part), 62241, 62242, 62243, 62244, 62245, 62248, 62249 (part), 62250, 62253 (part), 62254 (part), 62255, 62256, 62257, 62258, 62260 (part), 62261, 62263, 62264, 62265, 62266, 62268, 62269 (part), 62271, 62272, 62274, 62275 (part), 62277, 62278, 62279, 62280, 62282, 62285, 62286, 62288, 62289, 62292, 62293 (part), 62294 (part), 62295, 62297, 62298, 62401 (part), 62410, 62411 (part), 62413, 62414 (part), 62417, 62419, 62420, 62421, 62423 (part), 62424, 62425, 62426 (part), 62427, 62428, 62432, 62433, 62434, 62436, 62439, 62440, 62441 (part), 62442, 62443, 62445, 62446, 62447 (part), 62448, 62449, 62450, 62451, 62452, 62454, 62458 (part), 62459, 62460, 62461 (part), 62462 (part), 62464, 62466, 62467, 62468, 62469, 62473, 62474, 62475, 62476, 62477, 62478, 62479, 62480, 62481, 62801, 62803, 62806, 62807, 62808, 62809, 62810, 62811, 62812, 62814, 62815, 62816, 62817, 62818, 62819, 62820, 62821, 62822, 62823, 62824, 62825, 62827, 62828, 62829, 62830, 62831, 62832, 62833, 62835, 62836, 62837, 62838 (part), 62839, 62841, 62842, 62843, 62844, 62846, 62848, 62849, 62850, 62851, 62852, 62853, 62854 (part), 62856, 62858, 62859, 62860, 62861, 62862, 62863, 62864, 62865, 62867, 62868, 62869, 62870, 62871, 62872, 62874, 62875 (part), 62876, 62877, 62878, 62879, 62881, 62882, 62883, 62884, 62886, 62887, 62888, 62889, 62890, 62891, 62892 (part), 62893, 62894, 62895, 62896, 62897, 62898, 62899, 62901, 62902, 62903, 62905, 62906, 62907, 62908, 62910, 62912, 62914, 62915, 62916, 62917, 62918, 62919, 62920, 62921, 62922, 62923, 62924, 62926, 62927, 62928, 62930, 62931, 62932, 62933, 62934, 62935, 62938, 62939, 62940, 62941, 62942, 62943, 62946, 62947, 62948, 62949, 62950, 62951, 62952, 62953, 62954, 62956, 62957, 62958, 62959, 62960, 62961, 62962, 62963, 62964, 62965, 62966, 62967, 62969, 62970, 62972, 62974, 62975, 62976, 62977, 62979, 62982, 62983, 62984, 62985, 62987, 62988, 62990, 62992, 62994, 62995, 62996, 62997, 62998, 62999, 63673 (part)

• 

  Tammy Duckworth

  U.S. Senator for Illinois · Democrat

• 

  Dick Durbin

  U.S. Senator for Illinois · Democrat

• IL-13 · Nikki Budzinski (D)
• IL-15 · Mary Miller (R)
• IN-8 · Mark Messmer (R)
• KY-1 · James Comer (R)
• MO-2 · Ann Wagner (R)
• MO-8 · Jason Smith (R)