Ohio counties and county equivalents

These are current canonical geography records. Historical boundaries and election reporting units can differ; consult each area's caveats.

• Adams County

  FIPS 39001

• Allen County

  FIPS 39003

• Ashland County

  FIPS 39005

• Ashtabula County

  FIPS 39007

• Athens County

  FIPS 39009

• Auglaize County

  FIPS 39011

• Belmont County

  FIPS 39013

• Brown County

  FIPS 39015

• Butler County

  FIPS 39017

• Carroll County

  FIPS 39019

• Champaign County

  FIPS 39021

• Clark County

  FIPS 39023

• Clermont County

  FIPS 39025

• Clinton County

  FIPS 39027

• Columbiana County

  FIPS 39029

• Coshocton County

  FIPS 39031

• Crawford County

  FIPS 39033

• Cuyahoga County

  FIPS 39035

• Darke County

  FIPS 39037

• Defiance County

  FIPS 39039

• Delaware County

  FIPS 39041

• Erie County

  FIPS 39043

• Fairfield County

  FIPS 39045

• Fayette County

  FIPS 39047

• Franklin County

  FIPS 39049

• Fulton County

  FIPS 39051

• Gallia County

  FIPS 39053

• Geauga County

  FIPS 39055

• Greene County

  FIPS 39057

• Guernsey County

  FIPS 39059

• Hamilton County

  FIPS 39061

• Hancock County

  FIPS 39063

• Hardin County

  FIPS 39065

• Harrison County

  FIPS 39067

• Henry County

  FIPS 39069

• Highland County

  FIPS 39071

• Hocking County

  FIPS 39073

• Holmes County

  FIPS 39075

• Huron County

  FIPS 39077

• Jackson County

  FIPS 39079

• Jefferson County

  FIPS 39081

• Knox County

  FIPS 39083

• Lake County

  FIPS 39085

• Lawrence County

  FIPS 39087

• Licking County

  FIPS 39089

• Logan County

  FIPS 39091

• Lorain County

  FIPS 39093

• Lucas County

  FIPS 39095

• Madison County

  FIPS 39097

• Mahoning County

  FIPS 39099

• Marion County

  FIPS 39101

• Medina County

  FIPS 39103

• Meigs County

  FIPS 39105

• Mercer County

  FIPS 39107

• Miami County

  FIPS 39109

• Monroe County

  FIPS 39111

• Montgomery County

  FIPS 39113

• Morgan County

  FIPS 39115

• Morrow County

  FIPS 39117

• Muskingum County

  FIPS 39119

• Noble County

  FIPS 39121

• Ottawa County

  FIPS 39123

• Paulding County

  FIPS 39125

• Perry County

  FIPS 39127

• Pickaway County

  FIPS 39129

• Pike County

  FIPS 39131

• Portage County

  FIPS 39133

• Preble County

  FIPS 39135

• Putnam County

  FIPS 39137

• Richland County

  FIPS 39139

• Ross County

  FIPS 39141

• Sandusky County

  FIPS 39143

• Scioto County

  FIPS 39145

• Seneca County

  FIPS 39147

• Shelby County

  FIPS 39149

• Stark County

  FIPS 39151

• Summit County

  FIPS 39153

• Trumbull County

  FIPS 39155

• Tuscarawas County

  FIPS 39157

• Union County

  FIPS 39159

• Van Wert County

  FIPS 39161

• Vinton County

  FIPS 39163

• Warren County

  FIPS 39165

• Washington County

  FIPS 39167

• Wayne County

  FIPS 39169

• Williams County

  FIPS 39171

• Wood County

  FIPS 39173

• Wyandot County

  FIPS 39175