Old Historical State, County and City Maps of Ohio

Maps of Ohio

Most historical maps of Ohio were published in atlases. Within the atlases are historical maps, illustrations, and histories many of which contain family names ideal for genealogical research. Others are rare antique maps dating back as early as 1548.

The French first explored the area that is now Ohio in 1669. After the French and Indian Wars Ohio became the property of Great Britain. The United States didn’t acquire Ohio until 1783, after the Revolutionary War.

The United States created the Northwest Territory under the Northwest Ordinance of 1787. In 1788 Marietta was established as the first white settlement, and later it became the Northwest Territory’s capital.

Following the Ohio Company, the Miami Company (also referred to as the “Symmes Purchase”) claimed the southwestern section, and the Connecticut Land Company surveyed and settled the Connecticut Western Reserve in present-day Northeast Ohio.

The old Northwest Territory originally included areas previously known as Ohio Country and Illinois Country. As Ohio prepared for statehood, the Indiana Territory was created, reducing the Northwest Territory to approximately the size of present-day Ohio plus the eastern half of the Lower Peninsula of Michigan and the eastern tip of the Upper Peninsula.

The State of Ohio was created as the 17th state on March 1, 1803. States bordering Ohio are PennsylvaniaWest VirginiaKentuckyIndiana and Michigan.

Several types of maps are useful for genealogists. An 1875 map of Zanesville by Sanborn Insurance still exists today. It can be found at the Ohio Historical Society. The Newberry Library, Checklist of Printed Maps of the Middle West to 1800 is also a useful source of information on Ohio maps, although it is not complete.

For instance, it does not include a listing of the maps that can be found at the Western Reserve Historical Society. There are also partial collections of Sanborn maps available at various Ohio libraries on microfilm. Some can also be found on library websites.

Map of Ohio County Formations 1788-1888

Map of Ohio Counties and Cities
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Map of Ohio Counties and Cities

This Interactive Map of Ohio Counties show the historical boundaries, names, organization, and attachments of every county, extinct county and unsuccessful county proposal from the creation of Ohio in 1788-1888.

Ohio contains 88 counties

Ohio Map Abbreviations

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

Old Historical Atlas Maps of Ohio

This Historical Ohio Map Collection are from original copies so you can see Ohio as our ancestors saw them over a hundred years ago.

Some Ohio map years (not all) have cities, railroads, P.O. locations, township outlines and other features useful to the Ohio researcher.

External Ohio Map Links

Ohio County Map of Road and Highway’s

The Ohio D.O.T. 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. These Maps are Free to Download.

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