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RANKING · 2024 ACS · 99 SHOWN OF 99

Highest Dutch population share, Iowa counties

Iowa counties ranked by the share of all residents who are Dutch ancestry (2024 American Community Survey). A concentration measure: Dutch residents as a percentage of total population. This list covers the 99 counties in Iowa that qualify, ranked against each other statewide.

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RELATEDLargest American populationHighest American population shareLargest Arab populationHighest Arab population shareLargest Egyptian populationHighest Egyptian population share
YEAR201020202024
Highest Dutch population share by state
RANKPLACESTATEPOPDUTCH SHAREVS 2010
01Sioux County, IAIA36,77440.8%−10.6 pts
02Lyon County, IAIA12,35432.5%+0.6 pts
03O'Brien County, IAIA14,22019.0%−3.7 pts
04Marion County, IAIA34,19218.7%−9.3 pts
05Osceola County, IAIA5,98016.9%−5.7 pts
06Mahaska County, IAIA21,88012.0%−11.2 pts
07Jasper County, IAIA38,15311.0%−2.1 pts
08Wayne County, IAIA6,7389.0%+3.8 pts
09Poweshiek County, IAIA18,3686.5%−0.0 pts
10Dickinson County, IAIA18,0776.1%−0.5 pts
11Clay County, IAIA16,2024.4%−1.6 pts
12Plymouth County, IAIA25,6974.4%−2.9 pts
13Butler County, IAIA14,0494.2%−1.0 pts
14Warren County, IAIA57,3313.9%−1.8 pts
15Madison County, IAIA17,2703.7%−0.7 pts
16Ringgold County, IAIA4,6423.5%−0.6 pts
17Keokuk County, IAIA9,7973.5%−3.3 pts
18Clinton County, IAIA46,0023.5%−1.8 pts
19Wapello County, IAIA35,2103.4%−2.0 pts
20Hancock County, IAIA10,5283.4%−1.7 pts
21Decatur County, IAIA7,6553.3%−2.2 pts
22Monroe County, IAIA7,4063.2%−6.5 pts
23Cherokee County, IAIA11,3693.1%−0.2 pts
24Davis County, IAIA9,2303.1%−5.9 pts
25Emmet County, IAIA9,1072.9%−0.1 pts
26Mills County, IAIA14,7932.9%−0.5 pts
27Audubon County, IAIA5,5092.8%+0.4 pts
28Taylor County, IAIA5,8352.7%−0.8 pts
29Grundy County, IAIA12,3612.7%−3.4 pts
30Lucas County, IAIA8,8472.7%−2.4 pts
31Woodbury County, IAIA106,6492.6%−1.7 pts
32Polk County, IAIA516,5462.6%−2.0 pts
33Sac County, IAIA9,5252.6%−0.0 pts
34Harrison County, IAIA14,6232.6%−0.5 pts
35Van Buren County, IAIA7,1312.6%−1.5 pts
36Dallas County, IAIA118,4572.5%−2.4 pts
37Hardin County, IAIA16,4552.5%−0.6 pts
38Guthrie County, IAIA10,7822.5%−0.7 pts
39Boone County, IAIA26,7992.5%−0.3 pts
40Union County, IAIA11,8292.4%−2.7 pts
41Appanoose County, IAIA12,0772.3%−3.0 pts
42Story County, IAIA101,2912.3%−1.1 pts
43Ida County, IAIA6,7772.3%−1.4 pts
44Monona County, IAIA8,5392.3%−2.3 pts
45Wright County, IAIA12,8012.2%−0.7 pts
46Adair County, IAIA7,4032.2%−0.4 pts
47Des Moines County, IAIA38,0772.2%−0.4 pts
48Palo Alto County, IAIA8,8992.2%−1.4 pts
49Cerro Gordo County, IAIA42,3722.1%−0.6 pts
50Benton County, IAIA26,0042.0%−1.3 pts
51Winnebago County, IAIA10,2512.0%−0.5 pts
52Black Hawk County, IAIA131,5322.0%−0.7 pts
53Washington County, IAIA22,6671.9%−1.4 pts
54Clarke County, IAIA9,5741.9%−2.4 pts
55Johnson County, IAIA160,0441.8%−1.1 pts
56Franklin County, IAIA9,8681.8%−1.4 pts
57Buchanan County, IAIA20,8831.8%−2.3 pts
58Hamilton County, IAIA14,9441.8%−2.8 pts
59Floyd County, IAIA14,9011.8%−1.2 pts
60Buena Vista County, IAIA20,4491.8%−0.9 pts
61Linn County, IAIA232,0281.7%−1.8 pts
62Montgomery County, IAIA10,0021.7%−0.4 pts
63Bremer County, IAIA25,2961.7%−1.6 pts
64Chickasaw County, IAIA11,6631.7%−0.3 pts
65Jefferson County, IAIA15,2911.7%−3.1 pts
66Shelby County, IAIA11,6891.7%−1.2 pts
67Kossuth County, IAIA14,3221.7%−0.8 pts
68Humboldt County, IAIA9,4091.6%−0.4 pts
69Iowa County, IAIA16,5041.6%−2.1 pts
70Calhoun County, IAIA9,5621.6%−0.9 pts
71Henry County, IAIA19,3491.6%−1.9 pts
72Scott County, IAIA175,2591.6%−1.0 pts
73Greene County, IAIA8,6581.5%−4.7 pts
74Tama County, IAIA16,7961.4%−1.3 pts
75Fayette County, IAIA19,0471.4%−1.3 pts
76Fremont County, IAIA6,5221.4%−1.6 pts
77Dubuque County, IAIA99,3811.4%−1.1 pts
78Worth County, IAIA7,3381.3%−0.5 pts
79Webster County, IAIA36,8381.3%−1.0 pts
80Howard County, IAIA9,4151.3%−1.0 pts
81Mitchell County, IAIA10,6501.3%−1.0 pts
82Page County, IAIA14,8561.3%−1.6 pts
83Pottawattamie County, IAIA92,9961.2%−1.5 pts
84Adams County, IAIA3,6171.2%−1.8 pts
85Muscatine County, IAIA41,8531.2%−2.0 pts
86Crawford County, IAIA16,2371.1%−0.8 pts
87Marshall County, IAIA39,8901.1%−2.5 pts
88Delaware County, IAIA17,6741.1%−1.9 pts
89Jackson County, IAIA19,2881.0%−1.2 pts
90Louisa County, IAIA10,4161.0%−2.2 pts
91Carroll County, IAIA20,3031.0%−1.1 pts
92Pocahontas County, IAIA6,8191.0%−1.2 pts
93Jones County, IAIA21,2530.9%−1.1 pts
94Winneshiek County, IAIA19,7330.9%−0.4 pts
95Clayton County, IAIA16,8450.8%−0.5 pts
96Cedar County, IAIA18,3590.8%−2.6 pts
97Cass County, IAIA12,9600.8%−1.1 pts
98Lee County, IAIA32,3060.7%−1.5 pts
99Allamakee County, IAIA14,2380.5%−0.8 pts
SHOWING 1–99 OF 99
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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES