Illinois County Map Printable – Find county names, population data and location dots for major. Printable illinois state map and outline can be download in png, jpeg and pdf formats. Illinois county outline map with county name labels. Printable illinois county map author: Download and print free illinois maps in pdf format, including state outline, county, city and congressional district maps. An illinois county map that displays its 102 counties. Download free pdf or png files of illinois county maps with county names and lines. See the names, population and county seats of each county in illinois. Find a free printable map of illinois counties and cities on world atlas. For instance, cook, dupage and lake county are the most populated counties in illinois.