Illinois Maps are an invaluable part of family history research, especially if you live far from where your ancestor lived. Because Illinois political boundaries often changed, historic maps are critical in helping you discover the precise location of your ancestor’s hometown, what land they owned, who their neighbors were, and more.
Illinois County Formation Map
Illinois Antique Maps & Atlases
See U.S. State & County Boundary Maps and Antique Atlases to view free map images of antique maps & atlases maps during the years 1732 to 1897 for the entire United States as well as other states and countries.
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.
- 1776 Course Of The River Mississipi, from the Balise to Fort Chartres Atlas Map
- 1822 Geographical, Historical, And Statistical Atlas Map Of Illinois
- Map of the States of Ohio, Indiana, & Illinois, and Part of the Michigan Territory, Compiled from the Latest Authorities
- 1836 A New Atlas Map Of Illinois With Its Proposed Canals, Roads & Distances from place to place, along the Stage & Steam Boat Routes
- 1845 Illinois Atlas Map
- 1856 Illinois Atlas Map
- 1856 City Of St. Louis Missouri. (with) The City Of Chicago Illinois Atlas Map
- 1866 Map of the State of Illinois
- 1880 County & township map of the state of Illinois. (with) Vicinity of Springfield
- 1880 Chicago
Illinois County D.O.T. Road and Highway Maps
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.
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 Description & Links
- Illinois Digital Map Library (usgwarchives.org)
- Illinois Maps, Atlases & Gazetteers (ancestry.com) Maps are an invaluable part of family history research, especially if you live far from where your ancestor lived. Because political boundaries often changed, historic maps are critical in helping you discover the precise location of your ancestor’s hometown, what land they owned, who their neighbors were, and more.
- Illinois Maps (lib.utexas.edu) The Perry-Castañeda Library Map Collection.
- U.S., Indexed County Land Ownership Maps, 1860-1918 (ancestry.com)
- Historical Maps of Illinois (alabamamaps.ua.edu)
- Illinois Maps Description (ancestry.com) from Red Book: American State, County, and Town Sources.
- Illinois USGenWeb Archives Digital Map Library (usgwarchives.org)
- Federal Township Plats of Illinois (1804-1891) (landplats.ilsos.net)
- Illinois Map Books (amazon.com)
