Traill County, ND Population By Ancestry in 2021 (ACS-5Yrs)

Updated on March 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 8.01K Traill County, ND population, 3.36K had Norwegian ancestry (41.92%), 2.02K had German ancestry (25.19%), and 1.88K had Unclassified ancestry (23.44%).

The chart below shows the top 10 ancestry groups by percentage, and the table below shows both the population and percentages for many ancestry groups.

You can see similar information for other North Dakota counties, and for North Dakota.

NB: People could belong to one or more ancestry groups.

Data Source: US Census Bureau.
Traill County, ND Percentage of Ancestry Population in 2021
Norwegian
German
Unclassified
Other Groups
Irish
Swedish
English
Czech
Scandinavian
French (except Basque)
Traill County, ND Population By Ancestry in 2021
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Ancestry Population Percent of Pop. (%)
Norwegian 3357 41.92
German 2017 25.19
Unclassified 1877 23.44
Other Groups 616 7.69
Irish 433 5.41
Swedish 395 4.93
English 308 3.85
Czech 220 2.75
Scandinavian 211 2.64
French (except Basque) 166 2.07
Polish 134 1.67
Scottish 130 1.62
American 113 1.41
French Canadian 75 0.94
Russian 67 0.84
Danish 60 0.75
Dutch 45 0.56
European 45 0.56
Italian 44 0.55
Scotch Irish 39 0.49
British 26 0.33
Swiss 25 0.31
Icelander 23 0.29
Ukrainian 22 0.28
Northern European 19 0.24
Czechoslovakian 18 0.23
German Russian 17 0.21
Welsh 11 0.14
Belgian 9 0.11
Finnish 9 0.11
Slovene 9 0.11
Eastern European 7 0.09
Australian 6 0.08
Austrian 6 0.08
Hungarian 4 0.05
Israeli 3 0.04
Subsaharan African 3 0.04
Ghanaian 3 0.04
Croatian 2 0.03
Luxembourger 1 0.01
Slovak 1 0.01