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1895 U.S. Atlas - Illinois (Wayback Machine)

Scanned images of county and state maps, index of towns.

Ancestry.com - Search Maps, Atlases & Gazetteers

Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription.

Ancestry.com - U.S., Historic Land Ownership and Reference Atlases, 1507-2000 $

Original source: Historic Map Works LLC, Portland, Maine. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription. Free articles and helpful research materials.

Ancestry.com - U.S., Indexed County Land Ownership Maps, 1860-1918 $

Original source: Various publishers of County Land Ownership Atlases. Microfilmed by the Library of Congress, Washington, D.C. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription. Free articles and helpful research materials.

Ancestry.com - U.S., Indexed Early Land Ownership and Township Plats, 1785-1898 $

Original source: Public Land Survey Township Plats, compiled 1789. Ancestry.com has searchable indexes; database results and some digitized images are available with a fee-based subscription. Free articles and helpful research materials.

Arphax Publishing Co. - Home of the Family Maps Land Patent Books

The Family Maps Land Patent Books are published county by county, state by state. Data for each county is compiled from the Federal Land Patents database and displayed in these customized books. All books include a Patent Map and Patent Index for each of the Congressional Townships within the county. Deluxe Editions also include for each Township: a Road Map and a Historical Map, which includes waterways, watercourses & railroads. The Road and Historical Maps also include city-centers and cemeteries that can be found at NationalAtlas.gov. All books contain a separate Surname/Patent Index and a Surname/Township Index to help you dive into the right area of the county to find the location of your ancestor's federal land purchase. Family Maps books are a helpful visual reference tool that makes your federal lands research easier than ever.

Atlas of Historical County Boundaries

From the Newberry Library, Chicago, Illinois. Includes for each state: Interactive Map; Index of County and Equivalents; Consolidated Chronology; Individual County Chronologies; Bibliography and Sources; Historical Commentary; Metadata - Summary Form; Metadata - Full FGDC Form; Download GIS Files; Download KMZ Files; Download PDF Files.

Century Past - Old Maps of the Great Lakes Region – Great Lakes Historical Maps

Color Landform Atlas: Illinois

Including a map of counties and a map for 1895.

David Rumsey Historical Map Collection - Illinois ^FREE

This free collection focuses on rare 18th and 19th century maps of North and South America, although it also has maps from around the world. The collection dates from about 1700 to the 1950s. There are now more than 48,000 items online, with new additions added regularly.

FamilySearch Wiki - Illinois Maps

Find Illinois County for Specified City

Geographic Names Information System (GNIS)

From the USGS. Provides cemetery location information, as well as other physical features within a county and state.

Geology.com - Illinois Lake Map, River Map and Water Resources

Note the waterways displayed on a map with county boundaries. Migration paths from county to county can often be traced along these waterways.

Great Lakes Counties: Consolidated Statistical Areas

A map of just the counties bordering on the Great Lakes.

Historical Maps of Illinois

Digitized collection of selected map holdings from several sources including the University of Alabama Map Library.

Illinois County Boundaries 1790 - Present

Series of maps showing the development of Illinois counties from 1790 to present.

Illinois County Land Ownership Maps and Atlases

Provides information about Illinois County land ownership maps and atlases held by the Illinois State Library.

Illinois Digital Archives - Railroad Maps of Illinois

Illinois Family History Research: Place Names of Each Illinois County

Place names of Illinois: each county now has last updated date at the beginning of each county listing, this listing offers every town and and township that ever existed in Illinois and is grouped by the county.