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Iselin, NJ Historical First Ancestry Data
ACS 2010-2014 data
17,449 (94.54%) out of the total population of 18,457 reported first ancestry.
| Iselin, NJ | % of the Total Population | New Jersey | U.S. | |
| Arab | 157 | 0.85%, see rank | 1.09% | 0.56% |
| Czech | 75 | 0.41%, see rank | 0.32% | 0.47% |
| Danish | 48 | 0.26%, see rank | 0.20% | 0.42% |
| Dutch | 39 | 0.21%, see rank | 1.08% | 1.40% |
| English | 523 | 2.83%, see rank | 4.98% | 8.02% |
| French | 305 | 1.65%, see rank | 1.49% | 3.34% |
| German | 1,382 | 7.49%, see rank | 11.12% | 15.03% |
| Greek | 140 | 0.76%, see rank | 0.72% | 0.41% |
| Hungarian | 262 | 1.42%, see rank | 1.12% | 0.46% |
| Irish | 1,511 | 8.19%, see rank | 14.59% | 10.80% |
| Italian | 1,976 | 10.71%, see rank | 16.58% | 5.52% |
| Norwegian | 28 | 0.15%, see rank | 0.45% | 1.42% |
| Polish | 761 | 4.12%, see rank | 5.98% | 3.01% |
| Portuguese | 10 | 0.05%, see rank | 0.88% | 0.44% |
| Russian | 78 | 0.42%, see rank | 2.00% | 0.92% |
| Scotch-Irish | 10 | 0.05%, see rank | 0.39% | 0.99% |
| Scottish | 181 | 0.98%, see rank | 1.04% | 1.72% |
| Subsaharan African | 53 | 0.29%, see rank | 0.97% | 0.95% |
| Swedish | 56 | 0.30%, see rank | 0.58% | 1.27% |
| Swiss | 11 | 0.06%, see rank | 0.19% | 0.30% |
| Ukrainian | 143 | 0.77%, see rank | 0.78% | 0.31% |
| American | 588 | 3.19%, see rank | 4.19% | 7.12% |
| Welsh | 13 | 0.07%, see rank | 0.38% | 0.57% |
ACS 2008-2012 data
18,444 (96.49%) out of the total population of 19,115 reported first ancestry.
| Iselin, NJ | % of the Total Population | New Jersey | U.S. | |
| Arab | 124 | 0.65%, see rank | 1.02% | 0.53% |
| Czech | 83 | 0.43%, see rank | 0.36% | 0.50% |
| Danish | 64 | 0.33%, see rank | 0.20% | 0.45% |
| Dutch | 44 | 0.23%, see rank | 1.15% | 1.51% |
| English | 529 | 2.77%, see rank | 5.42% | 8.53% |
| French | 401 | 2.10%, see rank | 1.57% | 3.54% |
| German | 1,513 | 7.92%, see rank | 11.81% | 15.79% |
| Greek | 189 | 0.99%, see rank | 0.73% | 0.42% |
| Hungarian | 416 | 2.18%, see rank | 1.19% | 0.48% |
| Irish | 2,020 | 10.57%, see rank | 15.34% | 11.36% |
| Italian | 2,418 | 12.65%, see rank | 17.07% | 5.66% |
| Norwegian | 16 | 0.08%, see rank | 0.47% | 1.46% |
| Polish | 963 | 5.04%, see rank | 6.30% | 3.13% |
| Portuguese | 114 | 0.60%, see rank | 0.91% | 0.46% |
| Russian | 271 | 1.42%, see rank | 2.14% | 0.97% |
| Scotch-Irish | 9 | 0.05%, see rank | 0.44% | 1.07% |
| Scottish | 155 | 0.81%, see rank | 1.10% | 1.81% |
| Subsaharan African | 39 | 0.20%, see rank | 1.02% | 0.93% |
| Swedish | 62 | 0.32%, see rank | 0.60% | 1.34% |
| Swiss | 0 | 0.00%, see rank | 0.20% | 0.31% |
| Ukrainian | 123 | 0.64%, see rank | 0.79% | 0.31% |
| American | 531 | 2.78%, see rank | 3.77% | 6.72% |
| Welsh | 11 | 0.06%, see rank | 0.41% | 0.60% |
ACS 2006-2010 data
18,007 (96.16%) out of the total population of 18,726 reported first ancestry.
| Iselin, NJ | % of the Total Population | New Jersey | U.S. | |
| Arab | 61 | 0.33%, see rank | 0.95% | 0.50% |
| Czech | 76 | 0.41%, see rank | 0.37% | 0.53% |
| Danish | 12 | 0.06%, see rank | 0.23% | 0.48% |
| Dutch | 23 | 0.12%, see rank | 1.27% | 1.63% |
| English | 485 | 2.59%, see rank | 5.80% | 9.02% |
| French | 307 | 1.64%, see rank | 1.65% | 3.77% |
| German | 998 | 5.33%, see rank | 12.34% | 16.51% |
| Greek | 123 | 0.66%, see rank | 0.75% | 0.44% |
| Hungarian | 281 | 1.50%, see rank | 1.25% | 0.51% |
| Irish | 2,118 | 11.31%, see rank | 15.72% | 11.76% |
| Italian | 2,478 | 13.23%, see rank | 17.44% | 5.78% |
| Norwegian | 48 | 0.26%, see rank | 0.49% | 1.51% |
| Polish | 1,187 | 6.34%, see rank | 6.48% | 3.24% |
| Portuguese | 137 | 0.73%, see rank | 0.91% | 0.47% |
| Russian | 439 | 2.34%, see rank | 2.26% | 1.01% |
| Scotch-Irish | 26 | 0.14%, see rank | 0.95% | 1.72% |
| Scottish | 202 | 1.08%, see rank | 1.20% | 1.92% |
| Subsaharan African | 77 | 0.41%, see rank | 1.02% | 0.91% |
| Swedish | 19 | 0.10%, see rank | 0.62% | 1.41% |
| Swiss | 0 | 0.00%, see rank | 0.21% | 0.33% |
| Ukrainian | 96 | 0.51%, see rank | 0.82% | 0.31% |
| American | 317 | 1.69%, see rank | 3.22% | 6.28% |
| Welsh | 0 | 0.00%, see rank | 0.44% | 0.63% |
ACS 2005-2009 data
16,997 (95.31%) out of the total population of 17,833 reported first ancestry.
| Iselin, NJ | % of the Total Population | New Jersey | U.S. | |
| Arab | 66 | 0.37%, see rank | 0.96% | 0.50% |
| Czech | 61 | 0.34%, see rank | 0.38% | 0.54% |
| Danish | 37 | 0.21%, see rank | 0.23% | 0.49% |
| Dutch | 26 | 0.15%, see rank | 1.31% | 1.68% |
| English | 457 | 2.56%, see rank | 6.09% | 9.29% |
| French | 259 | 1.45%, see rank | 1.71% | 3.90% |
| German | 1,012 | 5.67%, see rank | 12.78% | 16.89% |
| Greek | 76 | 0.43%, see rank | 0.77% | 0.45% |
| Hungarian | 183 | 1.03%, see rank | 1.29% | 0.52% |
| Irish | 2,143 | 12.02%, see rank | 16.05% | 12.01% |
| Italian | 2,430 | 13.63%, see rank | 17.87% | 5.91% |
| Norwegian | 58 | 0.33%, see rank | 0.50% | 1.55% |
| Polish | 1,164 | 6.53%, see rank | 6.63% | 3.32% |
| Portuguese | 178 | 1.00%, see rank | 0.93% | 0.48% |
| Russian | 388 | 2.18%, see rank | 2.35% | 1.04% |
| Scotch-Irish | 29 | 0.16%, see rank | 0.99% | 1.77% |
| Scottish | 132 | 0.74%, see rank | 1.26% | 1.97% |
| Subsaharan African | 122 | 0.68%, see rank | 1.00% | 0.88% |
| Swedish | 27 | 0.15%, see rank | 0.66% | 1.45% |
| Swiss | 0 | 0.00%, see rank | 0.21% | 0.34% |
| Ukrainian | 197 | 1.10%, see rank | 0.84% | 0.32% |
| American | 358 | 2.01%, see rank | 3.14% | 6.43% |
| Welsh | 22 | 0.12%, see rank | 0.46% | 0.65% |
US Census 2000 data
15,383 (92.12%) out of the total population of 16,698 reported first ancestry.
| Iselin, NJ | % of the Total Population | New Jersey | U.S. | |
| Arab | 77 | 0.46%, see rank | 0.75% | 0.36% |
| Czech | 41 | 0.25%, see rank | 0.15% | 0.27% |
| Danish | 23 | 0.14%, see rank | 0.15% | 0.30% |
| Dutch | 31 | 0.19%, see rank | 0.74% | 0.91% |
| English | 321 | 1.92%, see rank | 3.57% | 5.91% |
| French | 19 | 0.11%, see rank | 0.94% | 2.39% |
| German | 1,007 | 6.03%, see rank | 7.42% | 10.81% |
| Greek | 98 | 0.59%, see rank | 0.60% | 0.34% |
| Hungarian | 293 | 1.75%, see rank | 0.86% | 0.32% |
| Irish | 1,898 | 11.37%, see rank | 10.49% | 6.85% |
| Italian | 2,503 | 14.99%, see rank | 15.32% | 4.59% |
| Norwegian | 88 | 0.53%, see rank | 0.39% | 1.15% |
| Polish | 1,179 | 7.06%, see rank | 4.80% | 2.24% |
| Portuguese | 190 | 1.14%, see rank | 0.76% | 0.33% |
| Russian | 283 | 1.69%, see rank | 1.68% | 0.68% |
| Scotch-Irish | 140 | 0.84%, see rank | 0.66% | 1.17% |
| Scottish | 198 | 1.19%, see rank | 0.78% | 1.12% |
| Subsaharan African | 114 | 0.68%, see rank | 0.80% | 0.61% |
| Swedish | 48 | 0.29%, see rank | 0.39% | 0.87% |
| Swiss | 0 | 0.00%, see rank | 0.13% | 0.19% |
| Ukrainian | 229 | 1.37%, see rank | 0.61% | 0.24% |
| American | 315 | 1.89%, see rank | 3.14% | 7.33% |
| Welsh | 69 | 0.41%, see rank | 0.21% | 0.31% |
* 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.