Ranking of Iowa Counties By Percentage of Population with Luxembourger Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.30K people in Iowa with Luxembourger ancestry (0.17% of Iowa population). Among all Iowa counties, Plymouth County had the highest percentage of its population with Luxembourger ancestry (1.90%), followed by Jackson County (1.60%), and Dubuque County (1.25%).

The chart and table below shows the top 10 counties with high percentage of its population having Luxembourger ancestry.

You can see similar information for other states and for other ancestry groups in Iowa.

Data Source: US Census Bureau.
Ranking of Iowa Counties By Percentage of Population with Luxembourger Ancestry in 2021
Plymouth County
Jackson County
Dubuque County
O'Brien County
Sioux County
Kossuth County
Jones County
Delaware County
Humboldt County
Cherokee County
Ranking of Iowa Counties By Percentage of Population with Luxembourger Ancestry in 2021
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Rank County Percentage of Pop. (%)
1 Plymouth County 1.90
2 Jackson County 1.60
3 Dubuque County 1.25
4 O'Brien County 1.00
5 Sioux County 0.72
6 Kossuth County 0.54
7 Jones County 0.52
8 Delaware County 0.46
9 Humboldt County 0.43
10 Cherokee County 0.35
11 Dallas County 0.25
11 Marshall County 0.25
12 Osceola County 0.21
13 Woodbury County 0.20
14 Story County 0.19
15 Keokuk County 0.16
16 Buena Vista County 0.15
16 Johnson County 0.15
16 Lyon County 0.15
16 Warren County 0.15
17 Harrison County 0.14
17 Pottawattamie County 0.14
18 Lee County 0.13
19 Fayette County 0.12
20 Clinton County 0.11
20 Hancock County 0.11
21 Black Hawk County 0.10
21 Clay County 0.10
21 Linn County 0.10
21 Tama County 0.10
22 Polk County 0.09
22 Shelby County 0.09
23 Cass County 0.08
23 Monona County 0.08
23 Palo Alto County 0.08
23 Washington County 0.08
24 Pocahontas County 0.07
25 Allamakee County 0.06
25 Carroll County 0.06
25 Dickinson County 0.06
25 Howard County 0.06
25 Scott County 0.06
26 Decatur County 0.05
26 Page County 0.05
26 Taylor County 0.05
26 Winneshiek County 0.05
27 Benton County 0.04
27 Bremer County 0.04
27 Buchanan County 0.04
27 Henry County 0.04
28 Clayton County 0.03
28 Louisa County 0.03
28 Muscatine County 0.03
28 Sac County 0.03
29 Calhoun County 0.02
29 Cedar County 0.02
29 Cerro Gordo County 0.02
29 Chickasaw County 0.02
29 Franklin County 0.02
29 Madison County 0.02
29 Mitchell County 0.02
29 Wright County 0.02
30 Hardin County 0.01
30 Ida County 0.01