HISTORY: UNITED STATES 
Northwest counties Population in 1920 
Lyon 
Osceola 
Dickinson 
Tmmet 
Sioux 
O’Brien 
Clay 
Palo Alto 
Plymouth 
Cherokee 
Buena Vista 
Pocahontas 
entral north counties 
Kossuth 
Winnebago 
Worth 
Mitchell 
Hancock 
Cerro Gordo 
Floyd 
Humboldt 
Wright 
Franklin 
Butler 
Jortheast counties 
Howard 
Chickasaw 
Winneshiek 
Allamakee 
Bremer 
Fayette 
Clayton 
Blackhawk 
Waterloo 
Buchanan 
Delaware 
Dubuque 
Dubuque (city) 
Central west counties 
Woodbury 
Sioux City 
Ida 
Sac 
Calhoun 
Monona 
Crawford 
Carroll 
Greene 
Harrison 
Shelby 
Audubon 
Guthrie 
Iowa 
077.71 
SII 
6 
712 
713 
714 
715 
726° 
[717 
718 
719 
72 
21 
722 
723 
£ 
724 
725 
726 
7249 
728 
720 
73 
mar 
3 
732 
733 
734 
735 
736 
734 
738 
5 
720 
74 
M4T 
742 
4 
-743 
744 
745 
a6 
11 689 
17 500 
17 783 
17 125 
20 614 
2I 549 
16 467 
24 488 
16 065 
12 520 
[7 596 
6 
747 
748 
6 
2740