THE IRISH IN IOWA

Percentage of Iowa's Population Born in Ireland 

1870-1950

County

1870
%
1890
%
1920
%
1950
%
Adair 1.3 2.0 0.6 0.04
Adams 1.2 0.3 0.3 0.02
Allamakee 14.1 5.6 0.8 0.04
Appanoose 0.6 0.5 0.1 0.02
Audubon 0.8 1.1 0.2 0.03
Benton 2.5 1.6 0.4 0.04
Black Hawk 3.4 2.2 0.5 0.1
Boone 3.1 1.5 0.2 0.05
Bremer 2.4 1.3 0.3 0.04
Buchanan 6.7 3.7 0.8 0.06
Buena Vista 3.6 1.6 0.3 0.04
Butler 1.6 1.7 0.4 0.08
Calhoun 1.3 1.2 0.4 0.05
Carroll 2.3 1.2 0.3 0.06
Cass 3.8 1.7 0.3 0.02
Cedar 3.7 2.3 0.5 0.09
Cerro Gordo 5.8 1.6 0.7 0.18
Cherokee 8.0 3.3 0.4 0.03
Chickasaw 0.8 0.6 0.1 0.03
Clarke 0.8 0.9 0.2 0.02
Clay 7.0 2.3 0.3 0.05
Clayton 10.9 4.9 1.0 0.15
Clinton 4.1 3.2 0.8 0.14
Crawford 2.1 1.5 0.4 0.03
Dallas 0.4 0.3 0.1 0.0
Davis 0.6 0.5 0.1 0.02
Decatur 5.4 2.9 0.7 0.11
Delaware 4.8 1.9 0.3 0.08
Des Moines 1.8 0.9 0.3 0.08
Dickinson 16.7 5.2 1.1 0.19
Dubuque 1.6 1.1 0.3 0.07
Emmet 3.9 1.6 0.4 0.06
Fayette 2.9 1.3 0.3 0.09
Floyd 4.8 1.6 0.2 0.08
Franklin 4.8 1.6 0.2 0.08
Fremont 1.3 1.1 0.4 0.09
Greene 3.1 2.9 0.5 0.06
Grundy 2.1 1.2 0.4 0.12
Guthrie 1.7 1.4 0.5 0.06
Hamilton 1.4 0.9 0.3 0.04
Hancock 0.9 1.2 0.3 0.02
Hardin 6.4 1.1 0.2 0.05
Harrison 2.9 1.7 0.5 0.08
Henry 2.1 1.4 0.3 0.05
Howard 7.7 3.4 0.6 0.05
Humboldt 4.2 1.5 0.3 0.04
Ida 2.4 1.7 0.6 0.24
Iowa 5.9 3.1 0.7 0.13
Jackson 6.1 2.6 0.5 0.04
Jasper 1.1 1.6 0.5 0.12
Jefferson 2.0 0.8 0.1 0.04
Johnson 5.8 3.1 0.6 0.09
Jones 6.3 3.1 0.5 0.03
Keokuk 1.0 1.3 0.3 0.11
Kossuth 3.4 0.8 0.3 0.05
Lee 6.8 2.6 0.5 0.05
Linn 2.6 1.9 0.6 0.13
Louisa 2.4 1.1 0.2 0.03
Lucas 1.2 0.9 0.3 0.05
Lyon 1.7 1.2 0.2 0.05
Madison 1.9 1.5 0.4 0.09
Mahaska 1.2 0.9 0.2 0.04
Marion 0.6 0.4 0.1 0.01
Marshall 1.5 1.4 0.5 0.17
Mills 2.0 0.8 0.3 0.04
Mitchell 3.6 1.3 0.3 0.01
Monona 2.1 0.9 0.3 0.06
Monroe 6.0 3.8 0.6 0.09
Montgomery 2.1 0.7 0.2 0.03
Muscatine 5.2 2.1 0.4 0.03
O'Brien 1.7 1.5 0.3 0.04
Osceola 0 0.9 0.2 0.04
Page 1.7 1.1 0.3 0.07
Palo Alto 15.4 4.7 1.0 0.10
Plymouth 5.2 1.9 0.5 0.06
Pocahontas 10.2 2.2 0.6 0.06
Polk 4.5 2.3 0.5 0.09
Pottawattamie 5.1 1.9 0.4 0.09
Poweshiek 3.0 2.7 1.1 0.25
Ringgold 1.3 1.1 0.3 0.03
Sac 1.4 1.1 0.3 0.04
Scott 9.2 3.0 0.7 0.10
Shelby 0.9 1.1 0.3 0.04
Sioux 1.5 1.3 0.3 0.06
Story 1.5 1.1 0.3 0.05
Tama 2.0 1.3 0.3 0.11
Taylor 0.3 0.9 0.2 0.04
Union 1.5 2.4 0.5 0.03
Van Buren 1.6 0.8 0.2 0.05
Wapello 3.5 2.1 0.4 0.04
Warren 1.3 0.9 0.2 0.03
Washington 1.7 1.3 0.3 0.06
Wayne 0.5 0.5 0.1 0.04
Webster 10.0 3.2 0.7 0.13
Winnebago 0.2 0.3 0.1 0.01
Winneshiek 5.3 2.1 0.2 0.03
Woodbury 8.6 2.3 0.6 0.12
Worth 1.5 0.7 0.1 0
Wright 2.9 1.4 0.4 0.07

From "The Palimpsest"
"The Irish in Iowa"
Published Monthly by
The State Historical Society of Iowa
Iowa City, Iowa
February, 1964


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2001 Cathy Joynt Labath