Ohio County Maps and Atlases

The earliest Sanborn Map for Ohio is an 1875 map for Zanesville, held by the Ohio Historical Society. Consult the Newberry Library Checklist of Printed Maps of the Middle West to 1800 (2 vols. Boston, Mass.: G. K. Hall, 1980), although this is not an inclusive listing for maps in Ohio. It does not, for example include those held by the Western Reserve Historical Society. Other excellent sources include:

Brown, Lloyd A. Early Maps of the Ohio Valley: A Selection of Maps, Plans and Views Made by Indians and Colonials From 1673–1783. Pittsburgh, Pa.: University of Pittsburgh Press, 1959.
Kilbourn, John. The Ohio Gazetteer, Or, Topographical Dictionary Containing A Description of the Several Counties, Towns, Etc. Columbus, Ohio: J. Kilbourn, 1826.
Smith, Thomas H. The Mapping of Ohio. Kent, Ohio: Kent State University Press, 1977.
Walling, Henry F. Atlas of the State of Ohio. 1867. Reprint. Knightstown, Ind.: Bookmark, 1983. Delineates townships, railroads, roads, and geographical features as of 1868.

Rotating Formation Ohio Boundary County Maps

(Maps made with the use AniMap Plus County Boundary Historical AniMap 3.0 and with the Permission of the Goldbug Company)

County Formation years
1788	1790	1792	1795	1796	1797	1798	1799	1800	1801	1803	1804	1805	1806	1807
1808	1809	1810	1811	1812	1813	1814	1815	1816	1817	1818	1819	1820	1822	1824
1825	1826	1827	1828	1831	1833	1834	1835	1836	1837	1838	1839	1840	1841	1843
1845	1846	1847	1848	1849	1850	1851	1874	1883	1888

Map Abbreviations
unorg. = unorganized g. = gained w. = with fr. = from atmt. = attachment exch = exchanged nca.= non county area ch. = changed Ad - Adams Al - Allen Asl - Ashland Ast - Ashtabula At - Athens Au - Auglaize Be - Belmont Br - Brown Bu - Butler Ca - Carroll Ch - Champaign	Clk - Clark Clt - Clinton Cmt - Clermont Col - Columbiana Cos - Coshocton Cr - Crawford Cu - Cuyahoga Da - Darke Def - Defiance Del - Delaware Er - Erie Fai - Fairfield Fay - Fayette Fr - Franklin Fu - Fulton Ga - Gallia Ge - Geauga Gr - Greene Gu - Guernsey	Ham - Hamilton Han - Hancock Hdn - Hardin He - Henry Hi - Highland Hoc - Hocking Hol - Holmes Hsn - Harrison Hu - Huron Ja - Jackson Je - Jefferson Kn - Knox Lak - Lake Law - Lawrence Li - Licking Log - Logan Lor - Lorain Lu - Lucas Mad - Madison	Mah - Mahoning Mar - Marion Med - Medina Mei - Meigs Mer - Mercer Mgn - Morgan Mi - Miami Mro - Monroe Mrw - Morrow Mty - Montgomery Mu - Muskingum No - Noble Ot - Ottawa Pa - Paulding Pe - Perry Pic - Pickaway Pik - Pike Po - Portage Pr - Preble	Pu - Putnam Ri - richland Ro - ross Sa - Sandusky Sc - Scioto Se - Seneca Sh - Shelby St - Stark Su - Summit Tr - Trumbull Tu - Tuscarawas Un - Union Vi - Vinton VW - Van Wert War - Warren Was - Washington Way - Wayne Wi - Williams Wo - Wood Wy - Wyandot

Ohio Atlases

Disclaimer: All maps are free to use for your own genealogical purposes and may not be reproduced for resale or distribution

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

All formats are pdf. Images are between 500k and 1.5 meg so allow a few moments to load if you are using a dial-up connection. It may take up to 6 months to complete the website for all years available so check back often for daily updates. See Disclaimer Below.


1822 Ohio	1836 Ohio	1795 United States	1814 United States	United States