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Cos Cob, CT Historical First Ancestry Data
ACS 2010-2014 data
5,733 (91.51%) out of the total population of 6,265 reported first ancestry.
Cos Cob, CT | % of the Total Population | Connecticut | U.S. | |
Arab | 18 | 0.29%, see rank | 0.61% | 0.56% |
Czech | 17 | 0.27%, see rank | 0.37% | 0.47% |
Danish | 29 | 0.46%, see rank | 0.33% | 0.42% |
Dutch | 48 | 0.77%, see rank | 0.74% | 1.40% |
English | 622 | 9.93%, see rank | 8.94% | 8.02% |
French | 175 | 2.79%, see rank | 8.47% | 3.34% |
German | 778 | 12.42%, see rank | 9.34% | 15.03% |
Greek | 53 | 0.85%, see rank | 0.87% | 0.41% |
Hungarian | 43 | 0.69%, see rank | 1.03% | 0.46% |
Irish | 1,034 | 16.50%, see rank | 16.03% | 10.80% |
Italian | 1,346 | 21.48%, see rank | 18.43% | 5.52% |
Norwegian | 117 | 1.87%, see rank | 0.54% | 1.42% |
Polish | 484 | 7.73%, see rank | 7.96% | 3.01% |
Portuguese | 0 | 0.00%, see rank | 1.39% | 0.44% |
Russian | 229 | 3.66%, see rank | 1.82% | 0.92% |
Scotch-Irish | 29 | 0.46%, see rank | 0.53% | 0.99% |
Scottish | 230 | 3.67%, see rank | 1.84% | 1.72% |
Subsaharan African | 0 | 0.00%, see rank | 0.92% | 0.95% |
Swedish | 64 | 1.02%, see rank | 1.71% | 1.27% |
Swiss | 17 | 0.27%, see rank | 0.23% | 0.30% |
Ukrainian | 53 | 0.85%, see rank | 0.55% | 0.31% |
American | 246 | 3.93%, see rank | 3.92% | 7.12% |
Welsh | 12 | 0.19%, see rank | 0.41% | 0.57% |
ACS 2008-2012 data
6,242 (94.50%) out of the total population of 6,605 reported first ancestry.
Cos Cob, CT | % of the Total Population | Connecticut | U.S. | |
Arab | 10 | 0.15%, see rank | 0.60% | 0.53% |
Czech | 42 | 0.64%, see rank | 0.41% | 0.50% |
Danish | 54 | 0.82%, see rank | 0.36% | 0.45% |
Dutch | 127 | 1.92%, see rank | 0.82% | 1.51% |
English | 532 | 8.05%, see rank | 9.64% | 8.53% |
French | 183 | 2.77%, see rank | 8.89% | 3.54% |
German | 885 | 13.40%, see rank | 9.86% | 15.79% |
Greek | 84 | 1.27%, see rank | 0.88% | 0.42% |
Hungarian | 9 | 0.14%, see rank | 1.09% | 0.48% |
Irish | 1,089 | 16.49%, see rank | 16.75% | 11.36% |
Italian | 1,572 | 23.80%, see rank | 18.96% | 5.66% |
Norwegian | 46 | 0.70%, see rank | 0.53% | 1.46% |
Polish | 283 | 4.28%, see rank | 8.22% | 3.13% |
Portuguese | 0 | 0.00%, see rank | 1.52% | 0.46% |
Russian | 196 | 2.97%, see rank | 1.93% | 0.97% |
Scotch-Irish | 15 | 0.23%, see rank | 0.58% | 1.07% |
Scottish | 204 | 3.09%, see rank | 1.96% | 1.81% |
Subsaharan African | 0 | 0.00%, see rank | 0.85% | 0.93% |
Swedish | 137 | 2.07%, see rank | 1.79% | 1.34% |
Swiss | 41 | 0.62%, see rank | 0.26% | 0.31% |
Ukrainian | 51 | 0.77%, see rank | 0.60% | 0.31% |
American | 425 | 6.43%, see rank | 3.13% | 6.72% |
Welsh | 70 | 1.06%, see rank | 0.40% | 0.60% |
ACS 2006-2010 data
5,874 (95.89%) out of the total population of 6,126 reported first ancestry.
Cos Cob, CT | % of the Total Population | Connecticut | U.S. | |
Arab | 0 | 0.00%, see rank | 0.50% | 0.50% |
Czech | 26 | 0.42%, see rank | 0.45% | 0.53% |
Danish | 60 | 0.98%, see rank | 0.38% | 0.48% |
Dutch | 157 | 2.56%, see rank | 0.85% | 1.63% |
English | 748 | 12.21%, see rank | 10.26% | 9.02% |
French | 303 | 4.95%, see rank | 9.31% | 3.77% |
German | 872 | 14.23%, see rank | 10.22% | 16.51% |
Greek | 111 | 1.81%, see rank | 0.89% | 0.44% |
Hungarian | 60 | 0.98%, see rank | 1.14% | 0.51% |
Irish | 1,150 | 18.77%, see rank | 17.34% | 11.76% |
Italian | 1,592 | 25.99%, see rank | 19.04% | 5.78% |
Norwegian | 52 | 0.85%, see rank | 0.56% | 1.51% |
Polish | 231 | 3.77%, see rank | 8.39% | 3.24% |
Portuguese | 10 | 0.16%, see rank | 1.54% | 0.47% |
Russian | 179 | 2.92%, see rank | 2.01% | 1.01% |
Scotch-Irish | 75 | 1.22%, see rank | 1.38% | 1.72% |
Scottish | 269 | 4.39%, see rank | 2.05% | 1.92% |
Subsaharan African | 0 | 0.00%, see rank | 0.80% | 0.91% |
Swedish | 124 | 2.02%, see rank | 1.88% | 1.41% |
Swiss | 37 | 0.60%, see rank | 0.29% | 0.33% |
Ukrainian | 54 | 0.88%, see rank | 0.63% | 0.31% |
American | 336 | 5.48%, see rank | 2.67% | 6.28% |
Welsh | 67 | 1.09%, see rank | 0.42% | 0.63% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.