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Illinois County Maps and Atlases

Browse County Boundary Maps, D.O.T. Highway Maps & Atlases Maps by State

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Illinois Antique Maps & Atlases

See U.S. State & County Boundary Maps and Antique Maps & 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.

Images are between 1 meg and 5 megs in size so allow a few moments to load if you are using a dial-up connection. 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

Illinois Maps

• 1776 Course Of The River Mississipi, from the Balise to Fort Chartres Atlas Map. - Taken on an Expedition to the Illinois, in the latter end of the Year 1765. By Lieut. Ross of the 34th Regiment: Improved from the Surveys of that River made by the French. London Printed for Robt. Sayer ... 1 June 1775. In outline color. Map becomes much less detailed as it moves away from the river showing mountains, rivers that feed into the Mississippi and a few Indian villages.
• 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. - Relief shown by hachures. Prime meridian Washington. Statistical table for each state.
• 1836 A New Atlas Map Of Illinois With Its Proposed Canals, Roads & Distances from place to place, along the Stage & Steam Boat Routes - Counties in full color with steamboat route distances shown. The Lead Region inset map includes smelting furnaces, mineral or lead ore, copper mines, and farms.
• 1845 Illinois Atlas Map - Col. wax engraved map. Prime meridians: Greenwich and Washington.
• 1856 Illinois Atlas Map
• 1856 City Of St. Louis Missouri. (with) The City Of Chicago Illinois Atlas Map - Numerous buildings are shown and labeled. Both maps inside decorative border.
• 1866 Map of the State of Illinois - Lead and copper regions are highlighted. It is noted that in one year more than 13,000,000 pounds of lead had been smelted.
• 1880 County & township map of the state of Illinois. (with) Vicinity of Springfield. - Shows settlements, railroads, etc. Prime meridians: Greenwich and Washington.
• 1880 Chicago - Shows wards, railroads, etc. Includes index "Chicago city street guide." Ornamental border is 8 mm wide.

Maps, Atlases & Gazetteers - 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.