Oklahoma Population By Ancestry in 2021 (ACS-5Yrs)

Updated on April 15, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 3.95M Oklahoma population, 1.50M had Other Groups ancestry (37.87%), 1.06M had Unclassified ancestry (26.94%), and 478.10K had German ancestry (12.11%).

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 states.

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

Data Source: US Census Bureau.
Oklahoma Percentage of Ancestry Population in 2021
Other Groups
Unclassified
German
Irish
English
American
European
Scottish
Italian
French (except Basque)
Oklahoma Population By Ancestry in 2021
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Ancestry Population Percent of Population (%)
Other Groups 1495305 37.87
Unclassified 1063685 26.94
German 478103 12.11
Irish 392544 9.94
English 348181 8.82
American 278719 7.06
European 69836 1.77
Scottish 69143 1.75
Italian 66979 1.70
French (except Basque) 65250 1.65
Dutch 44044 1.12
Scotch Irish 39008 0.99
Polish 29735 0.75
British 25809 0.65
Norwegian 24952 0.63
Swedish 23796 0.60
Subsaharan African 22171 0.56
Welsh 20519 0.52
West Indian (except Hispanic groups) 15933 0.40
Czech 14677 0.37
African 13233 0.34
Scandinavian 11379 0.29
Dutch West Indian 10748 0.27
Russian 10190 0.26
French Canadian 6897 0.18
Swiss 6622 0.17
Danish 6565 0.17
Portuguese 5459 0.14
Eastern European 5237 0.13
Northern European 5173 0.13
Greek 4757 0.12
Hungarian 4287 0.11
Lebanese 4276 0.11
Iranian 3990 0.10
Canadian 3759 0.10
Austrian 3523 0.09
Ukrainian 3445 0.09
Nigerian 3421 0.09
Czechoslovakian 3022 0.08
Jamaican 2583 0.07
Finnish 1985 0.05
Lithuanian 1872 0.05
Romanian 1592 0.04
Belgian 1584 0.04
Pennsylvania German 1538 0.04
Cajun 1460 0.04
Brazilian 1432 0.04
Croatian 1334 0.03
Arab 1283 0.03
Turkish 1067 0.03
Syrian 977 0.03
Australian 924 0.02
Slovak 918 0.02
Ethiopian 882 0.02
Egyptian 823 0.02
Kenyan 803 0.02
Ghanaian 791 0.02
Celtic 759 0.02
Haitian 740 0.02
Moroccan 722 0.02
Israeli 703 0.02
Bulgarian 622 0.02
Yugoslavian 605 0.02
South African 594 0.02
Iraqi 591 0.02
West Indian 523 0.01
Armenian 512 0.01
Slovene 500 0.01
Slavic 423 0.01
German Russian 403 0.01
Icelander 401 0.01
Trinidadian and Tobagonian 378 0.01
Jordanian 375 0.01
Palestinian 373 0.01
Liberian 369 0.01
Albania 320 0.01
Ugandan 306 0.01
Serbian 273 0.01
Bahamian 252 0.01
Sudanese 219 0.01
Cape Verdean 216 0.01
Estonian 198 0.01
Belizean 194 0.01
Latvian 192 0.01
British West Indian 181 0.01
Barbadian 168 0.004
Basque 166 0.004
New Zealander 154 0.004
US Virgin Islander 151 0.004
Senegalese 131 0.003
Guyanese 111 0.003
Luxembourger 102 0.003
Zimbabwean 79 0.002
Maltese 72 0.002
Sierra Leonean 72 0.002
Alsatian 61 0.002
Macedonian 60 0.002
Afghan 56 0.001
Bermudan 40 0.001
Assyrian/Chaldean/Syriac 23 0.001
Cypriot 10 0.000
Carpatho Rusyn 9 0.000
Somali 2 0.000