Connecticut Ancestry and Population Demographic Data

On this page, you'll find details on the largest ethnic ancestries in Connecticut, with links to ancestry pages to research more data.

Below, we'll show you the full list of different ancestries reported in Connecticut for the past 6 years. These start from the latest figures from the Census Bureau for , back to -5.

To make the surfacing of this data easier, we've listed it in descending order based on the most recent year of data available, which means that past years may not be in the correct descending order.

All ancestry labels below are the grouping terms used by the U.S. Census Bureau and are not labels that Name Census has provided.

Connecticut Ancestry Data

Ancestry 2015 2016 2017 2018 2019 2020
White 2,778,362 2,768,080 2,757,064 2,734,880 2,714,031 2,649,994
Hispanic or Latino 526,508 537,728 551,916 561,791 574,240 587,212
African American 370,501 372,696 376,240 378,262 383,416 382,161
Puerto Rican 278,670 283,278 286,751 292,143 291,843 293,090
Italian 270,227 260,871 250,762 240,253 233,485 227,146
Some Other Race 181,881 177,594 183,754 185,244 186,292 192,217
Asian 150,670 152,782 156,450 158,817 161,257 163,262
Irish 146,182 143,799 140,376 135,491 132,819 127,022
American 105,753 102,974 101,044 98,125 93,907 88,613
Polish 102,217 97,628 94,593 91,736 87,682 82,754
English 77,578 75,640 72,795 67,491 63,297 63,756
West Indian (except Hispanic groups) 68,204 68,977 72,346 70,536 70,269 69,190
German 65,978 64,036 62,823 60,025 56,600 53,066
Mexican 54,369 56,038 57,969 57,383 60,632 63,563
Asian Indian 54,019 56,657 57,571 61,249 63,099 63,424
French 45,883 43,400 41,403 39,191 35,561 33,116
French Canadian 43,281 41,712 40,545 39,803 38,071 35,178
Jamaican 43,226 42,016 44,449 43,075 43,659 43,622
Chinese 34,948 34,207 36,704 36,396 36,953 37,058
Dominican 31,550 35,514 36,694 40,112 42,724 42,946
Ecuadorian 29,254 29,325 31,039 31,351 32,078 34,713
Portuguese 26,862 24,579 23,684 23,476 23,410 21,497
Subsaharan African 26,212 27,761 27,193 29,465 29,234 26,624
Colombian 23,236 23,564 24,741 24,619 25,998 26,007
Russian 21,634 20,478 19,172 16,891 15,651 15,185
European 21,083 21,504 21,421 23,123 25,208 27,847
Peruvian 20,558 19,038 19,860 19,158 19,764 19,506
Guatemalan 19,641 20,384 21,655 21,997 21,996 22,382
Haitian 15,854 17,415 18,288 18,092 17,343 16,487
Scottish 14,871 14,843 14,372 13,232 12,770 13,102
Greek 14,514 14,141 13,472 13,446 13,107 14,502
African 14,514 15,277 15,473 16,025 14,937 12,362
Brazilian 14,045 15,057 15,476 15,571 16,023 14,675
Total Arab 13,817 14,577 14,307 14,815 14,672 15,181
Filipino 13,425 13,230 12,930 11,186 11,574 11,290
Swedish 11,383 10,867 10,487 10,241 9,581 9,064
Cuban 11,031 10,978 12,271 11,847 13,213 12,951
Hungarian 10,378 9,665 9,063 8,729 8,354 7,977
Korean 10,010 10,110 10,284 10,074 10,304 10,449
All other Hispanic or Latino 9,774 10,422 10,722 10,706 12,099 17,509
British 9,210 8,692 8,792 9,054 9,578 9,446
Albanian 9,113 9,223 8,758 8,415 8,522 10,138
Honduran 8,436 8,805 9,452 10,328 10,179 10,223
Ukrainian 8,351 8,764 8,746 8,696 8,666 8,757
Salvadoran 8,266 8,388 9,158 9,706 10,364 9,655
Canadian 8,195 7,289 6,856 6,538 5,924 5,251
Eastern European 7,923 8,401 9,044 10,484 11,667 12,154
Lithuanian 7,471 7,065 6,886 6,297 6,264 6,343
Spaniard 6,991 6,635 6,862 7,359 6,943 7,356
Pakistani 6,379 6,792 6,369 6,454 6,872 6,992
Slovak 6,351 5,813 5,587 5,193 5,173 4,953
Scotch-Irish 6,277 6,020 5,788 5,451 5,402 5,311
American Indian 5,355 5,307 5,748 5,778 6,029 6,219
Norwegian 5,192 5,049 5,109 4,730 4,708 4,192
Argentinean 5,143 4,964 4,864 4,736 5,069 5,157
Dutch 4,702 4,793 4,989 4,989 4,829 4,713
West Indian 4,560 4,290 4,022 3,898 3,422 3,029
Yugoslavian 4,487 4,327 3,777 4,260 3,734 3,151
Japanese 3,836 3,986 3,820 4,152 3,844 3,817
Lebanese 3,803 3,564 3,280 3,147 3,090 2,968
Laotian 3,751 3,449 3,063 3,002 2,480 2,493
Spanish 3,513 3,814 3,153 2,663 2,408 3,459
Romanian 3,340 3,194 3,253 2,941 2,929 2,901
Costa Rican 3,275 3,224 2,950 2,927 3,259 3,319
Cambodian 3,142 2,610 2,712 2,738 3,045 3,161
Venezuelan 2,928 2,957 3,048 3,380 3,524 3,571
Two or more Asian 2,876 2,646 2,673 2,642 2,642 3,130
Austrian 2,832 2,667 2,659 2,769 2,620 2,426
Turkish 2,722 3,259 3,176 3,012 3,328 2,590
Other Arab 2,720 3,323 3,695 3,521 3,596 3,027
Guyanese 2,656 2,682 2,910 3,199 3,204 3,168
Cape Verdean 2,598 2,468 1,743 2,165 2,300 2,172
Arab 2,595 1,941 1,881 1,847 1,928 1,865
Northern European 2,498 2,570 2,754 3,313 3,671 3,286
Bangladeshi 2,487 2,589 2,875 2,720 2,701 2,625
Nigerian 2,445 2,912 3,041 2,732 3,065 2,803
Czech 2,417 2,471 2,392 2,197 2,064 2,012
Ghanaian 2,324 2,912 2,718 3,441 4,235 3,552
Danish 2,317 2,245 2,255 2,168 1,790 1,730
Welsh 2,155 2,344 2,169 1,937 1,749 1,724
Chilean 2,110 2,562 3,045 3,356 3,609 3,229
Armenian 2,076 1,945 2,045 2,105 1,972 1,770
Nicaraguan 2,034 1,900 1,769 1,681 1,772 1,762
Czechoslovakian 1,970 1,917 1,713 1,674 1,320 1,453
British West Indian 1,858 2,046 1,991 1,613 1,875 1,480
Panamanian 1,798 1,613 1,615 1,782 1,521 1,624
Iranian 1,708 1,623 1,492 1,533 1,550 1,803
Other Asian, not specified 1,701 1,797 2,188 2,318 2,352 2,125
Finnish 1,616 1,517 1,329 1,301 1,403 1,384
Swiss 1,615 1,638 1,647 1,527 1,283 1,405
Egyptian 1,589 1,690 1,813 1,737 1,796 1,887
Moroccan 1,488 1,782 1,433 2,028 1,829 2,609
Croatian 1,409 1,696 1,798 1,592 1,432 1,448
Trinidadian and Tobagonian 1,399 1,704 1,937 2,037 2,286 2,817
Thai 1,381 1,250 1,075 1,187 997 1,027
Uruguayan 1,232 1,528 1,592 1,840 2,086 1,821
Other Subsaharan African 1,135 1,057 960 1,392 1,168 1,926
Nepalese 1,118 1,433 1,109 1,215 1,389 1,235
Scandinavian 1,107 1,181 1,222 1,419 1,501 1,822
Other South American 1,099 1,127 1,198 1,307 1,020 998
Native Hawaiian and Other Pacific Islander 981 1,031 931 1,173 1,123 1,189
Taiwanese 959 1,043 1,130 1,058 1,225 1,145
Afghan 922 804 918 1,423 1,281 1,302
Syrian 833 1,167 1,057 1,212 1,431 1,374
Belgian 813 746 588 555 519 543
Sri Lankan 765 967 865 1,017 1,173 1,123
Macedonian 751 631 734 539 329 294
Israeli 750 680 602 848 838 889
Burmese 746 798 846 661 506 356
Latvian 737 780 773 1,077 1,074 830
Barbadian 737 990 1,070 978 896 982
Bolivian 716 638 537 710 873 1,076
Ethiopian 648 771 904 1,003 988 1,158
Bulgarian 643 673 592 663 608 623
South African 588 654 728 618 537 578
Slavic 572 620 643 575 489 635
Somali 534 268 198 281 252 251
Other Central American 505 616 470 239 635 631
Australian 481 442 433 455 474 451
Serbian 464 386 402 465 536 667
Estonian 456 434 440 403 398 396
Slovene 433 373 309 239 243 270
Sudanese 363 271 204 332 358 337
Palestinian 360 350 390 472 419 558
Liberian 353 587 596 608 603 541
Assyrian/Chaldean/Syriac 335 307 223 283 207 192
Indonesian 320 295 384 442 582 559
Pennsylvania German 301 202 204 179 202 169
Paraguayan 294 299 344 321 487 490
Iraqi 293 432 439 527 322 313
Ugandan 279 159 167 181 34 194
Celtic 261 358 399 355 382 312
United States Virgin Islander 237 146 151 162 126 75
Senegalese 233 197 225 335 327 284
Maltese 145 126 74 65 48 41
Icelander 139 146 128 177 130 54
Jordanian 136 328 319 324 261 580
Cypriot 122 117 75 58 65 156
Other Asian, specified 115 112 9 0 20 581
Kenyan 102 113 114 281 291 354
Bermudan 94 91 99 93 82 33
Malaysian 88 185 182 191 179 188
Luxembourger 86 75 39 62 31 44
Spanish American 85 117 157 140 144 174
Cajun 85 70 93 30 70 112
Alaska Native tribes 83 78 107 106 97 36
Zimbabwean 80 95 90 33 34 20
Belizean 80 60 75 328 310 353
Basque 77 99 114 119 95 96
New Zealander 71 57 74 71 55 56
Bahamian 63 82 100 95 128 152
Other West Indian 58 98 102 95 106 122
Carpatho Rusyn 50 54 8 55 52 103
Dutch West Indian 38 39 62 70 36 38
Hmong 34 74 94 191 164 118
Bhutanese 27 23 21 2 0 0
Soviet Union 22 27 10 15 15 28
Alsatian 18 16 15 25 31 30
Sierra Leonean 16 20 32 38 105 92
Mongolian 7 0 23 49 103 167

Data Source(s)

All of the data on this page is sourced from the latest American Community Survey (ACS) 5-year estimates, from the United States Census Bureau. The latest year for the ACS is currently .

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  • "Connecticut Ancestry and Population Demographic Data". NameCensus.com. Accessed on September 25, 2023. https://namecensus.com/ancestry/state/connecticut/.

  • "Connecticut Ancestry and Population Demographic Data". NameCensus.com, https://namecensus.com/ancestry/state/connecticut/. Accessed 25 September, 2023

  • Connecticut Ancestry and Population Demographic Data. NameCensus.com. Retrieved from https://namecensus.com/ancestry/state/connecticut/.