Seal of Illinois

Illinois

Population: 12,563,096 · 102 counties · Official website · Open data

Illinois sends 19 members to the U.S. Congress: 2 Senators and 17 Representatives. Illinois has a population of 12,563,096.

Governor

JB Pritzker D
Governor

Illinois Congressional Delegation

Explore Illinois’s representation in the U.S. Congress.

Democrat Republican

Senators

Photo of Richard J. Durbin
Richard J. Durbin
D Democrat · Senior Senator
Photo of Tammy Duckworth
Tammy Duckworth
D Democrat · Junior Senator

Representatives

DistrictRepresentativeParty
Photo of Jonathan L. JacksonIL-01Jonathan L. JacksonD Democrat
Photo of Robin L. KellyIL-02Robin L. KellyD Democrat
Photo of Delia C. RamirezIL-03Delia C. RamirezD Democrat
Photo of Jesús G. "Chuy" GarcíaIL-04Jesús G. "Chuy" GarcíaD Democrat
Photo of Mike QuigleyIL-05Mike QuigleyD Democrat
Photo of Sean CastenIL-06Sean CastenD Democrat
Photo of Danny K. DavisIL-07Danny K. DavisD Democrat
Photo of Raja KrishnamoorthiIL-08Raja KrishnamoorthiD Democrat
Photo of Janice D. SchakowskyIL-09Janice D. SchakowskyD Democrat
Photo of Bradley Scott SchneiderIL-10Bradley Scott SchneiderD Democrat
Photo of Bill FosterIL-11Bill FosterD Democrat
Photo of Mike BostIL-12Mike BostR Republican
Photo of Nikki BudzinskiIL-13Nikki BudzinskiD Democrat
Photo of Lauren UnderwoodIL-14Lauren UnderwoodD Democrat
Photo of Mary E. MillerIL-15Mary E. MillerR Republican
Photo of Darin LaHoodIL-16Darin LaHoodR Republican
Photo of Eric SorensenIL-17Eric SorensenD Democrat

Counties

CountyPopulationCongressional Districts
Adams County64,441IL-15
Alexander County4,695IL-12
Bond County16,450IL-15
Boone County53,202IL-11, IL-16
Brown County6,294IL-15
Bureau County32,729IL-14, IL-16
Calhoun County4,317IL-15
Carroll County15,526IL-17
Cass County12,596IL-15
Champaign County205,644IL-02, IL-13, IL-15
Christian County33,228IL-15
Clark County15,088IL-12
Clay County12,999IL-12
Clinton County36,785IL-12, IL-15
Coles County46,060IL-12, IL-15
Cook County5,087,072IL-01, IL-02, IL-03, IL-04, IL-05, IL-06, IL-07, IL-08, IL-09, IL-10, IL-11
Crawford County18,300IL-12
Cumberland County10,261IL-12, IL-15
De Witt County15,365IL-15
Dekalb County100,288IL-11, IL-14, IL-16
Douglas County19,629IL-12, IL-15
Dupage County921,213IL-03, IL-04, IL-05, IL-06, IL-07, IL-08, IL-11
Edgar County16,334IL-12, IL-15
Edwards County5,968IL-12
Effingham County34,331IL-12, IL-15
Fayette County21,164IL-12, IL-15
Ford County13,250IL-02, IL-15, IL-16
Franklin County37,138IL-12
Fulton County32,541IL-15, IL-17
Gallatin County4,670IL-12
Greene County11,543IL-15
Grundy County53,578IL-16
Hamilton County7,911IL-12
Hancock County17,186IL-15
Hardin County3,569IL-12
Henderson County6,088IL-15
Henry County48,448IL-16, IL-17
Iroquois County26,136IL-02, IL-15
Jackson County52,141IL-12
Jasper County9,144IL-12, IL-15
Jefferson County36,320IL-12
Jersey County21,091IL-15
Jo Daviess County21,756IL-16, IL-17
Johnson County13,326IL-12
Kane County514,982IL-03, IL-05, IL-08, IL-11, IL-14, IL-16
Kankakee County105,940IL-01, IL-02, IL-16
Kendall County139,976IL-11, IL-14, IL-16
Knox County48,411IL-16, IL-17
Lake County708,760IL-05, IL-08, IL-09, IL-10, IL-11
Lasalle County108,309IL-14, IL-16
Lawrence County14,813IL-12
Lee County33,654IL-14, IL-16
Livingston County35,320IL-02, IL-14, IL-16
Logan County27,590IL-15
Macon County100,591IL-13, IL-15
Macoupin County44,018IL-13, IL-15
Madison County262,752IL-12, IL-13, IL-15
Marion County36,673IL-12, IL-15
Marshall County11,683IL-14, IL-16
Mason County12,523IL-15
Massac County13,661IL-12
Mcdonough County26,839IL-15, IL-17
Mchenry County312,800IL-05, IL-08, IL-09, IL-10, IL-11, IL-14, IL-16
Mclean County170,441IL-02, IL-15, IL-16, IL-17
Menard County11,954IL-15
Mercer County15,487IL-15, IL-16, IL-17
Monroe County34,957IL-12
Montgomery County27,663IL-13, IL-15
Morgan County32,140IL-13, IL-15
Moultrie County14,342IL-12, IL-15
Ogle County51,265IL-14, IL-16
Peoria County177,513IL-15, IL-16, IL-17
Perry County20,503IL-12
Piatt County16,714IL-02, IL-13, IL-15, IL-16
Pike County14,342IL-15
Pope County3,707IL-12
Pulaski County4,911IL-12
Putnam County5,561IL-14, IL-16
Randolph County29,815IL-12
Richland County15,488IL-12
Rock Island County141,236IL-15, IL-16, IL-17
Saline County22,873IL-12
Sangamon County193,491IL-13, IL-15
Schuyler County6,733IL-15, IL-17
Scott County4,710IL-15
Shelby County20,568IL-12, IL-15
St. Clair County251,018IL-12, IL-13, IL-15
Stark County5,218IL-16, IL-17
Stephenson County43,105IL-16, IL-17
Tazewell County129,541IL-15, IL-16, IL-17
Union County16,667IL-12
Vermilion County71,652IL-02, IL-15
Wabash County10,942IL-12
Warren County16,185IL-15, IL-17
Washington County13,536IL-12
Wayne County15,761IL-12
White County13,401IL-12
Whiteside County54,498IL-16, IL-17
Will County700,728IL-01, IL-02, IL-06, IL-11, IL-14, IL-16
Williamson County66,706IL-12
Winnebago County280,922IL-11, IL-14, IL-16, IL-17
Woodford County38,285IL-14, IL-16, IL-17

State Legislature

Senate (59) · House of Representatives (118)
Senate
40
19
House of Representatives
78
40
NamePartyChamberDistrict
Javier CervantesDSenate1
Omar AquinoDSenate2
Mattie HunterDSenate3
Kimberly LightfordDSenate4
Lakesia CollinsDSenate5
Sara FeigenholtzDSenate6
Mike Simmons-GessesseDSenate7
Ram VillivalamDSenate8
Laura FineDSenate9
Rob MartwickDSenate10
Mike PorfirioDSenate11
Celina VillanuevaDSenate12
Robert PetersDSenate13
Emil JonesDSenate14
Napoleon HarrisDSenate15
Willie PrestonDSenate16
Elgie SimsDSenate17
Bill CunninghamDSenate18
Mike HastingsDSenate19
Graciela GuzmánDSenate20
Laura EllmanDSenate21
Cristina CastroDSenate22
Suzy Glowiak HiltonDSenate23
Seth LewisRSenate24
Karina VillaDSenate25
Darby HillsRSenate26
Mark WalkerDSenate27
Laura MurphyDSenate28
Julie MorrisonDSenate29
Adriane JohnsonDSenate30
Mary Edly-AllenDSenate31
Craig WilcoxRSenate32
Don DeWitteRSenate33
Steve StadelmanDSenate34
Dave SyversonRSenate35
Mike HalpinDSenate36
Li ArellanoRSenate37
Sue RezinRSenate38
Don HarmonDSenate39
Patrick JoyceDSenate40
John CurranRSenate41
Linda HolmesDSenate42
Rachel VenturaDSenate43
Sally TurnerRSenate44
Andrew ChesneyRSenate45
Dave KoehlerDSenate46
Neil AndersonRSenate47
Doris TurnerDSenate48
Meg Loughran CappelDSenate49
Jil TracyRSenate50
Chapin RoseRSenate51
Paul FaraciDSenate52
Chris BalkemaRSenate53
Steve McClureRSenate54
Jason PlummerRSenate55
Erica HarrissRSenate56
Christopher BeltDSenate57
Terri BryantRSenate58
Dale FowlerRSenate59
Aarón OrtízDHouse of Representatives1
Lisa HernandezDHouse of Representatives2
Eva-Dina DelgadoDHouse of Representatives3
Lilian JiménezDHouse of Representatives4
Kimberly Du BucletDHouse of Representatives5
Sonya HarperDHouse of Representatives6
Chris WelchDHouse of Representatives7
La Shawn FordDHouse of Representatives8
Yolonda MorrisDHouse of Representatives9
Omar WilliamsDHouse of Representatives10
Ann WilliamsDHouse of Representatives11
Margaret CrokeDHouse of Representatives12
Hoan HuynhDHouse of Representatives13
Kelly CassidyDHouse of Representatives14
Michael KellyDHouse of Representatives15
Kevin OlickalDHouse of Representatives16
Jen Gong-GershowitzDHouse of Representatives17
Robyn GabelDHouse of Representatives18
Lindsey LaPointeDHouse of Representatives19
Brad StephensRHouse of Representatives20
Abdelnasser RashidDHouse of Representatives21
Angie Guerrero-CuellarDHouse of Representatives22
Edgar GonzálezDHouse of Representatives23
Theresa MahDHouse of Representatives24
Curtis TarverDHouse of Representatives25
Kam BucknerDHouse of Representatives26
Justin SlaughterDHouse of Representatives27
Bob RitaDHouse of Representatives28
Thaddeus JonesDHouse of Representatives29
Will DavisDHouse of Representatives30
Mike CrawfordDHouse of Representatives31
Lisa DavisDHouse of Representatives32
Marcus EvansDHouse of Representatives33
Nick SmithDHouse of Representatives34
Mary GillDHouse of Representatives35
Rick RyanDHouse of Representatives36
Patrick SheehanRHouse of Representatives37
Debbie Meyers-MartinDHouse of Representatives38
Will GuzzardiDHouse of Representatives39
Jaime AndradeDHouse of Representatives40
Janet Yang RohrDHouse of Representatives41
Margaret DeLaRosaDHouse of Representatives42
Anna MoellerDHouse of Representatives43
Fred CrespoDHouse of Representatives44
Marti DeuterDHouse of Representatives45
Diane Blair-SherlockDHouse of Representatives46
Amy GrantRHouse of Representatives47
Jennifer SanalitroRHouse of Representatives48
Maura HirschauerDHouse of Representatives49
Barbara HernandezDHouse of Representatives50
Nabeela SyedDHouse of Representatives51
Marty McLaughlinRHouse of Representatives52
Nicolle GrasseDHouse of Representatives53
Mary Beth CantyDHouse of Representatives54
Justin CochranDHouse of Representatives55
Michelle MussmanDHouse of Representatives56
Tracy Katz MuhlDHouse of Representatives57
Bob MorganDHouse of Representatives58
Dan DidechDHouse of Representatives59
Rita MayfieldDHouse of Representatives60
Joyce MasonDHouse of Representatives61
Laura Faver DiasDHouse of Representatives62
Steve ReickRHouse of Representatives63
Tom WeberRHouse of Representatives64
Dan UgasteRHouse of Representatives65
Suzanne NessDHouse of Representatives66
Maurice WestDHouse of Representatives67
Dave VellaDHouse of Representatives68
Joe SosnowskiRHouse of Representatives69
Jeff KeicherRHouse of Representatives70
Dan SwansonRHouse of Representatives71
Gregg JohnsonDHouse of Representatives72
Ryan SpainRHouse of Representatives73
Brad FrittsRHouse of Representatives74
Jed DavisRHouse of Representatives75
Murri BrielDHouse of Representatives76
Norma HernandezDHouse of Representatives77
Camille LillyDHouse of Representatives78
Jackie HaasRHouse of Representatives79
Anthony DeLucaDHouse of Representatives80
Anne StavaDHouse of Representatives81
Nicole La HaRHouse of Representatives82
Matt HansonDHouse of Representatives83
Stephanie KifowitDHouse of Representatives84
Dee AvelarDHouse of Representatives85
Larry WalshDHouse of Representatives86
Bill HauterRHouse of Representatives87
Regan DeeringRHouse of Representatives88
Tony McCombieRHouse of Representatives89
John CabelloRHouse of Representatives90
Sharon ChungDHouse of Representatives91
Jehan Gordon-BoothDHouse of Representatives92
Travis WeaverRHouse of Representatives93
Norine HammondRHouse of Representatives94
Mike CoffeyRHouse of Representatives95
Sue SchererDHouse of Representatives96
Harry BentonDHouse of Representatives97
Natalie ManleyDHouse of Representatives98
Kyle MooreRHouse of Representatives99
C.D. DavidsmeyerRHouse of Representatives100
Chris MillerRHouse of Representatives101
Adam NiemergRHouse of Representatives102
Carol AmmonsDHouse of Representatives103
Brandun SchweizerRHouse of Representatives104
Dennis TipswordRHouse of Representatives105
Jason BuntingRHouse of Representatives106
Brad HalbrookRHouse of Representatives107
Wayne RosenthalRHouse of Representatives108
Charlie MeierRHouse of Representatives109
Blaine WilhourRHouse of Representatives110
Amy ElikRHouse of Representatives111
Katie StuartDHouse of Representatives112
Jay HoffmanDHouse of Representatives113
Kevin SchmidtRHouse of Representatives114
David FriessRHouse of Representatives115
Dave SeverinRHouse of Representatives116
Patrick WindhorstRHouse of Representatives117
Paul JacobsRHouse of Representatives118