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

Updated on April 15, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, among the 1.36M Maine population, 303.88K had Unclassified ancestry (22.39%), 268.25K had English ancestry (19.77%), and 222.26K had Irish ancestry (16.38%).

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.
Maine Percentage of Ancestry Population in 2021
Unclassified
English
Irish
French (except Basque)
Other Groups
German
French Canadian
American
Italian
Scottish
Maine Population By Ancestry in 2021
Items per page:
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Ancestry Population Percent of Population (%)
Unclassified 303875 22.39
English 268252 19.77
Irish 222255 16.38
French (except Basque) 174157 12.83
Other Groups 162499 11.97
German 105948 7.81
French Canadian 100256 7.39
American 83765 6.17
Italian 74934 5.52
Scottish 58018 4.28
Polish 30038 2.21
Swedish 22665 1.67
European 21947 1.62
Scotch Irish 19676 1.45
Canadian 12084 0.89
Norwegian 11991 0.88
Dutch 11808 0.87
Welsh 11730 0.86
British 11702 0.86
Subsaharan African 11562 0.85
Russian 8116 0.60
Portuguese 7390 0.55
Finnish 6741 0.50
Greek 6279 0.46
Scandinavian 5773 0.43
Danish 5312 0.39
Lithuanian 4339 0.32
Eastern European 3993 0.29
Hungarian 3807 0.28
Czech 3324 0.25
Somali 3251 0.24
Ukrainian 2597 0.19
Northern European 2589 0.19
African 2578 0.19
West Indian (except Hispanic groups) 2534 0.19
Lebanese 2505 0.19
Austrian 2267 0.17
Swiss 2217 0.16
Slovak 1712 0.13
Jamaican 1400 0.10
Armenian 1267 0.09
Czechoslovakian 1242 0.09
Cajun 1209 0.09
Romanian 875 0.06
Belgian 788 0.06
Brazilian 674 0.05
Australian 617 0.05
Pennsylvania German 605 0.05
Iraqi 597 0.04
Albania 578 0.04
Syrian 559 0.04
Afghan 517 0.04
Haitian 502 0.04
Turkish 470 0.04
Iranian 468 0.03
Bulgarian 453 0.03
Cape Verdean 413 0.03
Arab 404 0.03
Nigerian 398 0.03
Croatian 392 0.03
Sudanese 382 0.03
Slavic 343 0.03
Latvian 336 0.03
Yugoslavian 328 0.02
Celtic 303 0.02
Kenyan 257 0.02
Moroccan 241 0.02
Ethiopian 234 0.02
Slovene 233 0.02
Trinidadian and Tobagonian 224 0.02
Serbian 219 0.02
Israeli 197 0.02
West Indian 182 0.01
Egyptian 154 0.01
Guyanese 139 0.01
Basque 123 0.01
South African 119 0.01
Estonian 112 0.01
Icelander 104 0.01
Macedonian 89 0.01
Alsatian 86 0.01
New Zealander 71 0.01
Cypriot 67 0.01
Assyrian/Chaldean/Syriac 54 0.004
Palestinian 47 0.004
Maltese 42 0.003
British West Indian 42 0.003
Bermudan 39 0.003
Zimbabwean 33 0.002
Barbadian 32 0.002
Ghanaian 28 0.002
Luxembourger 23 0.002
US Virgin Islander 21 0.002
Belizean 17 0.001
Carpatho Rusyn 11 0.001
Jordanian 9 0.001
Liberian 6 0.000
Ugandan 6 0.000
German Russian 4 0.000
Senegalese 4 0.000