Download the list of Lawyers in Illinois. Smartscrapers provides an accurate directory and the latest data on the number of Lawyers in Illinois There are 7581 Lawyers in Illinois as of October 15, 2025; which is an 0.00% increase from 2023. Of these locations, 5906 Lawyers which is 77.91% of all Lawyers in Illinois are single-owner operations, while the remaining 1675 which is 22.09% are part of larger brands. The top three cities with the most Lawyers are Chicago with 5027 Lawyers, Peoria with 221 Lawyers, Poplar Grove with 179 Lawyers. Average age of Lawyers in Illinois is 6 years and 7 months.