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Ohio: county data, all 88 of them.

Every Ohio county has a data page built from federal sources, each figure carrying its publisher and period. What this page does not carry is the Ohio statutory framework, and the reason is below rather than hidden.

Counties
88
Population
11,810,293
Land area
40,855 sq mi
Establishments
253,934
Combined county GDP
$923.14 bn
SBA approvals recorded
24,716

Read this first

This is a county directory, not a state guide.

The county pages below are complete. They carry demographics, growth and migration, economic output, employment and wages, business establishments by industry, the construction pipeline, the SBA lending record including charge off rates, geography and hazard. Every figure names its publisher and the period it describes.

What is missing is the Ohio legal and regulatory frame: how zoning and land development codes work in this state, what the entitlement path looks like, which agencies permit what, and which statutes override local codes. That material requires a research pack for Ohio, and no such pack exists yet.

Why there is no state guide here

You cannot write Ohio zoning law from a population table. Everything on the county pages is derived from federal datasets that cover all counties equally; statutory analysis is not, and generating it anyway would produce confident text about the law that nothing behind it supports.

Florida and California have research packs and therefore have full state guides. The remaining eight, including this one, do not. That is stated rather than papered over.

Counties

All 88 Ohio county-equivalents.

Ohio counties: population, income, establishments and SBA activity
GeographyPopulationMedian incomeEstablishmentsCounty GDPSBA approvalsLand area, sq mi
Adams County27,540$50,264421$1.07 bn19584
Allen County101,348$64,0382,239$11.17 bn113402
Ashland County52,256$69,8601,021$2.45 bn99423
Ashtabula County97,167$57,7281,843$4.40 bn263702
Athens County61,737$56,0011,030$2.75 bn31504
Auglaize County46,125$78,660992$3.73 bn40401
Belmont County65,473$57,0171,379$3.54 bn102532
Brown County43,845$71,270561$1.21 bn41490
Butler County392,876$81,5907,537$29.84 bn754467
Carroll County26,659$64,835464$1.82 bn61395
Champaign County38,804$75,556566$1.68 bn32429
Clark County135,158$63,1322,196$6.09 bn135397
Clermont County211,181$85,5103,773$10.61 bn494452
Clinton County42,012$70,407712$3.13 bn54409
Columbiana County100,704$58,1801,907$4.81 bn232532
Coshocton County36,744$55,577618$1.66 bn21564
Crawford County41,711$58,044779$1.76 bn37402
Cuyahoga County1,245,873$64,46831,496$135.91 bn2,974457
Darke County51,594$64,4861,117$3.39 bn29598
Defiance County38,343$73,064813$2.16 bn70411
Delaware County226,834$133,5405,365$19.13 bn750443
Erie County74,581$71,9931,802$5.36 bn130252
Fairfield County163,453$90,9662,846$6.85 bn323504
Fayette County28,876$63,275594$2.26 bn40406
Franklin County1,333,048$75,17630,700$141.97 bn3,499532
Fulton County42,240$72,864924$2.61 bn80405
Gallia County29,068$56,830572$2.34 bn9467
Geauga County95,481$107,8602,816$6.13 bn327400
Greene County169,688$87,3093,266$14.73 bn205414
Guernsey County38,223$58,478828$3.69 bn84522
Hamilton County830,774$72,47021,087$107.28 bn1,823406
Hancock County74,866$73,1411,691$7.32 bn129531
Hardin County30,475$62,484421$1.37 bn31470
Harrison County14,306$54,414254$1.58 bn23402
Henry County27,567$80,099557$1.58 bn42416
Highland County43,517$65,785733$1.89 bn26553
Hocking County27,799$62,960501$842.6 m20421
Holmes County44,418$76,1401,413$3.81 bn43423
Huron County58,319$67,8781,105$2.99 bn57491
Jackson County32,650$57,106596$1.31 bn5420
Jefferson County64,518$59,0551,163$4.36 bn110408
Knox County63,142$73,8781,121$3.09 bn59525
Lake County232,216$80,9255,504$15.72 bn705227
Lawrence County56,819$58,325774$2.19 bn26453
Licking County181,837$84,4263,277$11.12 bn467683
Logan County46,089$71,551872$2.77 bn76458
Lorain County317,129$73,3475,664$15.03 bn712491
Lucas County428,018$62,2249,282$33.40 bn800341
Madison County44,423$87,045723$2.97 bn158466
Mahoning County226,491$56,9425,391$12.62 bn541412
Marion County65,020$59,3711,051$3.60 bn54404
Medina County183,660$94,9684,127$10.41 bn622421
Meigs County21,896$46,873300$506.8 m7430
Mercer County42,484$76,7821,050$4.00 bn38462
Miami County110,296$76,8172,176$6.18 bn235407
Monroe County13,227$60,134244$1.19 bn1456
Montgomery County536,096$66,13910,930$40.10 bn904462
Morgan County13,651$59,351168$516.1 m8416
Morrow County35,404$75,283456$909.9 m31406
Muskingum County86,411$60,7801,737$5.13 bn237665
Noble County14,282$56,098226$579.6 m11398
Ottawa County39,994$76,1011,026$2.60 bn95255
Paulding County18,791$67,731309$790.0 m4416
Perry County35,535$67,460455$937.2 m33408
Pickaway County60,131$74,040856$2.58 bn86501
Pike County27,044$52,736423$1.60 bn10440
Portage County161,956$75,7663,051$8.79 bn407487
Preble County40,765$69,223671$1.56 bn32424
Putnam County34,314$84,928734$1.69 bn35483
Richland County125,099$59,5092,616$6.00 bn164495
Ross County76,492$61,3031,245$3.87 bn63689
Sandusky County58,778$62,2951,250$4.10 bn86408
Scioto County72,627$50,6091,240$3.48 bn35610
Seneca County54,770$66,0251,053$2.75 bn84551
Shelby County47,929$73,978989$4.07 bn55408
Stark County373,713$67,9348,181$23.16 bn948575
Summit County537,864$71,62213,309$40.35 bn1,545413
Trumbull County200,929$56,4353,800$9.69 bn402618
Tuscarawas County92,385$65,0442,098$5.34 bn191568
Union County67,324$112,3221,240$6.20 bn115432
Van Wert County28,826$67,917522$1.73 bn18409
Vinton County12,630$55,336142$513.5 m4412
Warren County250,008$110,1324,826$18.76 bn570401
Washington County58,978$63,6031,378$4.76 bn62632
Wayne County116,588$73,5742,583$8.95 bn199555
Williams County36,719$61,048802$2.19 bn64421
Wood County132,064$74,2162,862$10.69 bn321617
Wyandot County21,598$69,768502$1.41 bn39407

The register

Every source behind these 88 pages.

SourcePeriod coveredLicence
US Census Bureau, American Community Survey 5-Year Estimates2020-2024 5-yearUS Census Bureau, public domain
US Census Bureau, Population Estimates Program, Vintage 2024Vintage 2024, estimates 2020 to 2024US Census Bureau, public domain
US Bureau of Economic Analysis, Regional, table CAGDP2CAGDP2, through 2024US Bureau of Economic Analysis, public domain
US EPA, Map of Radon Zones, county spreadsheet2024-05 publication, EPA 402/A-16/001US EPA, public domain
FEMA OpenFEMA, NFIP Community Status BookCommunity Status Book, as retrievedFEMA OpenFEMA, public domain
US Small Business Administration, 7(a) FOIA releaseFY2020 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Small Business Administration, 504 FOIA releaseFY2010 to FY2026 year to date, as of 2026-06-30FOIA release, public domain
US Census Bureau county boundary geometry, TIGER, adjacency computed from shared boundary verticesTIGER county boundariesUS Census Bureau, public domain
US Census Bureau, County Business Patterns2023US Census Bureau, public domain
US Bureau of Labor Statistics, Quarterly Census of Employment and Wages2024 annual averagesUS BLS, public domain
US Census Bureau, Building Permits Survey2024 annualUS Census Bureau, public domain
US Internal Revenue Service, Statistics of Income county migration flows2021 to 2022 filing yearsIRS SOI, public domain

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