County index
All counties in Ohio
88 counties tracked (88 with GDP, ranked by GDP where available, BEA 2025). The Ohio page shows the top 24 alongside the rest of the state's economy.
1Franklin$142.0B2Cuyahoga$135.9B3Hamilton$107.3B4Summit$40.3B5Montgomery$40.1B6Lucas$33.4B7Butler$29.8B8Stark$23.2B9Delaware$19.1B10Warren$18.8B11Lake$15.7B12Lorain$15.0B13Greene$14.7B14Mahoning$12.6B15Allen$11.2B16Licking$11.1B17Wood$10.7B18Clermont$10.6B19Medina$10.4B20Trumbull$9.7B21Wayne$9.0B22Portage$8.8B23Hancock$7.3B24Fairfield$6.8B25Union$6.2B26Miami$6.2B27Geauga$6.1B28Clark$6.1B29Richland$6.0B30Erie$5.4B31Tuscarawas$5.3B32Muskingum$5.1B33Columbiana$4.8B34Washington$4.8B35Ashtabula$4.4B36Jefferson$4.4B37Sandusky$4.1B38Shelby$4.1B39Mercer$4.0B40Ross$3.9B41Holmes$3.8B42Auglaize$3.7B43Guernsey$3.7B44Marion$3.6B45Belmont$3.5B46Scioto$3.5B47Darke$3.4B48Clinton$3.1B49Knox$3.1B50Huron$3.0B51Madison$3.0B52Logan$2.8B53Seneca$2.8B54Athens$2.7B55Fulton$2.6B56Ottawa$2.6B57Pickaway$2.6B58Ashland$2.4B59Gallia$2.3B60Fayette$2.3B61Lawrence$2.2B62Williams$2.2B63Defiance$2.2B64Highland$1.9B65Carroll$1.8B66Crawford$1.8B67Van Wert$1.7B68Putnam$1.7B69Champaign$1.7B70Coshocton$1.7B71Pike$1.6B72Henry$1.6B73Harrison$1.6B74Preble$1.6B75Wyandot$1.4B76Hardin$1.4B77Jackson$1.3B78Brown$1.2B79Monroe$1.2B80Adams$1.1B81Perry$937.2M82Morrow$909.9M83Hocking$842.6M84Paulding$790.0M85Noble$579.6M86Morgan$516.1M87Vinton$513.5M88Meigs$506.8M
GDP: BEA (2025), USD-normalized, county level. Counties without a published GDP figure are ranked by population and labeled accordingly.