Cook County 88 members represent all or part
Senate
- Cervantes, Javier Rm 625217-782-9415
- Aquino, Omar Rm 325-D217-782-5652
- Hunter, Mattie Rm 417217-782-5966
- Lightford, Kimberly Rm 325-E217-782-8505
- Collins, Lakesia Rm Section F, Room G217-782-6252
- Feigenholtz, Sara Rm 121-D217-557-0523
- Simmons-Gessesse, Mike Rm 539217-782-8492
- Villivalam, Ram Rm 629217-782-5500
- Fine, Laura Rm 121217-782-2119
- Martwick, Rob Rm 607217-782-1035
- Porfirio, Mike Rm Section F, Room L217-782-0054
- Villanueva, Celina Rm 631217-782-5304
- Peters, Robert Rm 635217-782-5338
- Jones, Emil Rm 119217-782-9573
- Harris, Napoleon Rm 413217-782-8066
- Preston, Willie Rm 537217-782-1607
- Sims, Elgie Rm 218217-782-3201
- Cunningham, Bill Rm 325-G217-782-5145
- Hastings, Mike Rm 121-C217-782-9595
- Guzmán, Graciela Rm Section F, Room J217-782-8191
- Castro, Cristina Rm 507217-782-7746
- Lewis, Seth Rm Section A, Office Q217-782-9463
- Villa, Karina Rm Section F, Room M217-782-0471
- Hills, Darby Rm Section A, Office D217-782-8010
- Walker, Mark Rm Section F, Room H217-782-4471
- Murphy, Laura Rm 307217-782-3875
- Morrison, Julie Rm 311217-782-3650
- Johnson, Adriane Rm Section F, Room E217-782-8181
- Harmon, Don Rm 323217-782-8176
- Joyce, Patrick Rm 535217-782-7419
- Curran, John Rm 309-G217-782-9407
House
- Ortíz, Aarón Rm 288-S217-782-1117
- Hernandez, Lisa Rm 109217-782-8173
- Delgado, Eva-Dina Rm 523-A217-782-0480
- Jiménez, Lilian Rm 290-S217-782-0150
- Du Buclet, Kimberly Rm 248-W217-782-4535
- Harper, Sonya Rm 274-S217-782-5971
- Welch, Chris Rm 300217-782-5350
- Ford, La Shawn Rm 239-E217-782-5962
- Morris, Yolonda Rm 276-S217-782-8116
- Williams, Omar Rm 256-W217-782-8077
- Williams, Ann Rm 263-S217-782-2458
- Croke, Margaret Rm 200-3S217-782-8062
- Huynh, Hoan Rm 237-E217-782-4089
- Cassidy, Kelly Rm 269-S217-782-8088
- Kelly, Michael Rm 279-S217-782-8198
- Olickal, Kevin Rm 264-S217-782-1252
- Gong-Gershowitz, Jen Rm 271-S217-782-4194
- Gabel, Robyn Rm 300217-782-8052
- LaPointe, Lindsey Rm 275-S217-782-8400
- Stephens, Brad Rm 314217-782-8182
- Rashid, Abdelnasser Rm 266-S217-782-5280
- Guerrero-Cuellar, Angie Rm 235-E217-782-0584
- González, Edgar Rm 240-W217-782-7752
- Mah, Theresa Rm 109217-782-2855
- Tarver, Curtis Rm 521-B217-782-8121
- Buckner, Kam Rm 300217-782-2023
- Slaughter, Justin Rm 249-E217-782-0010
- Rita, Bob Rm 109217-558-1000
- Jones, Thaddeus Rm 241-E217-782-8087
- Davis, Will Rm 262-W217-782-8197
- Crawford, Mike Rm 250-W217-782-4207
- Davis, Lisa Rm 252-W217-782-1702
- Evans, Marcus Rm 268-S217-782-8272
- Smith, Nick Rm 632217-782-6476
- Gill, Mary Rm 258-W217-782-8200
- Ryan, Rick Rm 523-C217-782-0515
- Sheehan, Patrick Rm 200-8N217-782-0424
- Meyers-Martin, Debbie Rm 254-W217-558-1007
- Guzzardi, Will Rm 259-S217-558-1032
- Andrade, Jaime Rm 238-W217-782-8117
- Moeller, Anna Rm 255-S217-782-8020
- Crespo, Fred Rm 261-S217-782-0347
- Sanalitro, Jennifer Rm 208-N217-782-4014
- Hirschauer, Maura Rm 270-S217-782-1653
- Syed, Nabeela Rm 242-W217-782-3696
- McLaughlin, Marty Rm 214-N217-782-1517
- Grasse, Nicolle Rm 242A-W217-782-3739
- Canty, Mary Beth Rm 280-S217-782-8026
- Cochran, Justin Rm 233-E217-782-8007
- Mussman, Michelle Rm 257-S217-782-3725
- Katz Muhl, Tracy Rm 284-S217-558-1004
- Morgan, Bob Rm 519-A217-782-0902
- Didech, Dan Rm 273-S217-782-0499
- Hernandez, Norma Rm 251-E217-782-3374
- Lilly, Camille Rm 632217-782-6400
- DeLuca, Anthony Rm 267-S217-782-1719
- La Ha, Nicole Rm 200-1N217-782-0494
From the U.S. Census Bureau's Senate and House district boundaries laid over Illinois's county lines. A county split among several districts lists every member who represents part of it.