O'Fallon had 40 actively practicing lawyers as of May
According to the ABA's 2025 National Lawyer Population Survey, Illinois had one of the highest concentrations of lawyers in the United States, with 61,945 resident active attorneys statewide.
That total places Illinois among a small group of states accounting for a significant share of the nation's legal workforce, reflecting its importance within the broader U.S. legal system.
As of June 2026, average lawyer salaries in Illinois ranged from $101,987 for an entry-level attorney handling routine legal work to $258,374 for highly experienced attorneys managing complex cases with significant autonomy. Mid-level attorneys, such as those in Attorney III roles—who handle highly complex legal work with moderate supervision—earned on average $191,228 in Illinois, compared to $187,607 nationwide.
Data refers to all lawyers who were actively practicing during this time period.
| Lawyer Name | Name of Firm | License Grant Date |
|---|---|---|
| Adamsky, Stephen William Jr. | Evans Law Firm, PC | 10/05/2018 |
| Barke, Ryan Thomas | Visionary Wealth Advisors, LLC | 05/11/2009 |
| Behme, Luke Anthony | Bruckert, Behme & Long, P.C. | 08/12/2008 |
| Benedick, Thomas | Thomas Benedick | 03/10/1974 |
| Bradley, Amanda Kelton | AKBradley Law | 06/11/2003 |
| Buch, Ronald Allan | J.D. Graham, P.C. | 05/11/1992 |
| Byram, Aaron Joseph | Aaron Byram | 05/11/1998 |
| Creighton, Robert Charles | Manning Gross + Massenburg LLP | 04/11/2010 |
| DaCosse, Lori Elizabeth | AEGIS Law | 09/11/2000 |
| Danhelka, Anthony David | Manning Gross + Massenburg LLP | 10/11/2011 |
| Evans, Paul Joseph | Evans Law Firm, P.C. | 09/11/1989 |
| Fisher, David Jonathan | Manning Gross + Massenburg LLP | 28/06/2011 |
| Fleming, Todd | Fleming & Fleming, Ltd., P.C. | 31/10/2013 |
| Gardner, Gerald Robert | 25/01/2022 | |
| Green, Joel Patrick | AEGIS Law | 09/05/2002 |
| Hansen, Haley Lanell | Manning Gross + Massenburg LLP | 06/08/2020 |
| Hanson, Lia Martine | Hospital Sisters Health System | 08/06/2015 |
| Harla, Harlan A. | Kujawski & Associates, LLC. | 07/11/1985 |
| Hayde, Michelle Akinsiku | Farrise Law Firm, LLC | 06/05/2010 |
| Hennessy, Thomas Francis III | Greensfelder, Hemker & Gale, P.C. | 23/11/1976 |
| Hummel, Carole M. | 05/05/1983 | |
| Kujawski, John Paul | Kujawski & Associates, LLC | 27/11/1973 |
| Kurowski, Elizabeth Gloria | Manning Gross + Massenburg LLP | 08/11/2018 |
| Kurowski, John Joseph | Manning Gross + Massenburg LLP | 03/11/1978 |
| Kusmer, Candice Compton | Manning Gross + Massenburg LLP | 05/05/2005 |
| Meyer, Timothy Joseph | Manning Gross + Massenburg LLP | 07/05/2015 |
| Reinhardt, Justin Alexandre | Manning Gross + Massenburg LLP | 05/05/2016 |
| Rousseau, Daniel Berentzen | Manning Gross + Massenburg LLP | 28/03/2013 |
| Sabo, John E. | 05/11/1987 | |
| Schoemaker, Donald K. | Greensfelder, Hemker & Gale, P.C. | 10/11/1988 |
| Schroeder, Kurt Stephen | Greensfelder, Hemker & Gale, P.C. | 09/05/1985 |
| Severit, Joshua Normandy | Manning Gross + Massenburg LLP | 04/11/2010 |
| Slone, James Israel | J Israel Slone Attorney at Law | 10/05/2001 |
| Stanton, Steven T. | Steven T. Stanton | 05/11/1987 |
| Stockmann, Kevin Michael | Manning Gross + Massenburg LLP | 06/11/2014 |
| Tryniecki, Timothy Peter | Manning Gross + Massenburg LLP | 10/05/2012 |
| Vetri, Kristi Maurine | Kristi Vetri | 29/01/1997 |
| Weihl, Donald Elmer | Greensfelder, Hemker & Gale, P.C. | 26/10/1961 |
| Wise, Diana Eileen | 20/12/2010 | |
| Ybarra, David William | Greensfelder, Hemker & Gale, P.C. | 09/11/2000 |