Iowa (IA) Counties

FIPS codes for Iowa.

FIPS State Code: 19

Enter the U.S. country code (01) followed by the state and county code.

For example, for Adair County, enter 01-19001.

FIPS County Code

County Name

001

Adair

003

Adams

005

Allamakee

007

Appanoose

009

Audubon

011

Benton

013

Black Hawk

015

Boone

017

Bremer

019

Buchanan

021

Buena Vista

023

Butler

025

Calhoun

027

Carroll

029

Cass

031

Cedar

033

Cerro Gordo

035

Cherokee

037

Chickasaw

039

Clarke

041

Clay

043

Clayton

045

Clinton

047

Crawford

049

Dallas

051

Davis

053

Decatur

055

Delaware

057

Des Moines

059

Dickinson

061

Dubuque

063

Emmet

065

Fayette

067

Floyd

069

Franklin

071

Fremont

073

Greene

075

Grundy

077

Guthrie

079

Hamilton

081

Hancock

083

Hardin

085

Harrison

087

Henry

089

Howard

091

Humboldt

093

Ida

095

Iowa County

097

Jackson

099

Jasper

101

Jefferson

103

Johnson

105

Jones

107

Keokuk

109

Kossuth

111

Lee

113

Linn

115

Louisa

117

Lucas

119

Lyon

121

Madison

123

Mahaska

125

Marion

127

Marshall

129

Mills

131

Mitchell

133

Monona

135

Monroe

137

Montgomery

139

Muscatine

141

O'Brien

143

Osceola

145

Page

147

Palo Alto

149

Plymouth

151

Pocahontas

153

Polk

155

Pottawattamie

157

Poweshiek

159

Ringgold

161

Sac

163

Scott

165

Shelby

167

Sioux

169

Story

171

Tama

173

Taylor

175

Union

177

Van Buren

179

Wapello

181

Warren

183

Washington

185

Wayne

187

Webster

189

Winnebago

191

Winneshiek

193

Woodbury

195

Worth

197

Wright