Maps of Illinois

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IA county1 209x300 Maps of Illinois

Map of Illinois county boundaries and county seats

Maps of Illinois are an invaluable area of ancestors and family history research, notably if you live far from where your ancestor was living. Given that Illinois political borders frequently changed, historic maps tend to be important in assisting you uncover the exact specific location of your ancestor’s home town, exactly what land they owned, just who his or her neighbors happen to be, and a lot more.

Maps of  Illinois typically are likely to be an excellent resource for getting started with your research, because they give considerably beneficial information and facts instantly. Illinois Maps are usually a major resource of considerable amounts of information on family history.

Illinois borders Indiana, Kentucky, Missouri, Iowa and Wisconsin. Illinois 10 largest cities are Chicago, Aurora, Rockford, Joliet, Naperville, Springfield, Peoria, Elgin, Waukegan and Cicero.

The Illinois State Historical Library has county plat books and atlases available for the years of around 1870 to 1930. Those maps show townships and ownership of various lands at the times that the maps were drawn. However, plat books must be examined on-site. They are not available for loans or photocopying. The University of Illinois, Champaign-Urbana, Chicago Historical Society, and the Illinois State Library also have large Illinois map collections available. The Illinois State Library can also provide a list of its land map and atlas holdings.

The following offices have free highway maps for Illinois available:

  • Illinois Secretary of State
  • Communications Department
  • Department of Commerce and Community Affairs

The oldest available Illinois Sanborn map is from 1884.

Interactive Map of Illinois County Formation History

(Illinois maps made with the use AniMap Plus 3.0 & with the Permission of the Goldbug Company)


Old Antique Atlases & Maps of Illinois

These are scanned from the original copies so you can see Illinois and Illinois counties as our ancestors saw them over a hundred years ago. Some Illinois maps years (not all) have cities, railroads, P.O. locations, township outlines and other features useful to the avid genealogist in Illinois.

Disclaimer: All Illinois maps are free to use for your own genealogical purposes and may not be reproduced for resale or distribution.Source: David Rumsey Historical Map Collection


D.O.T. County Road and Highway Maps of Illinois

The Illinois Highway Department has prepared a series of county road maps. These maps contain more detailed information about man-made features than the geological survey maps. In addition to roads and boundaries, these maps include rural communities, churches, and cemeteries. To View the Map: Just click the Image to view the map online. In order to make the Image size as small as possible they were save on the lowest resolution.

These maps are downloadable and are in PDF format. The main use of these are the locations of all known cemeteries in a county and of course the various roads and church locations. These Maps are Free to Download

The Illinois TOWNSHIP General Highway Maps emphasize the display of the road network on a regional basis without regard to specific city and village boundaries.


Illinois Map Links