Sussex County Historical First Ancestry Data
ACS 2010-2014 data
170,951 (83.91%) out of the total population of 203,737 reported first ancestry.
| Sussex County | % of the Total Population | Delaware | U.S. | |
| Arab | 265 | 0.13%, see rank | 0.29% | 0.56% |
| Czech | 446 | 0.22%, see rank | 0.24% | 0.47% |
| Danish | 315 | 0.15%, see rank | 0.22% | 0.42% |
| Dutch | 2,837 | 1.39%, see rank | 1.29% | 1.40% |
| English | 29,990 | 14.72%, see rank | 10.72% | 8.02% |
| French | 4,898 | 2.40%, see rank | 2.36% | 3.34% |
| German | 32,868 | 16.13%, see rank | 14.94% | 15.03% |
| Greek | 921 | 0.45%, see rank | 0.48% | 0.41% |
| Hungarian | 1,124 | 0.55%, see rank | 0.52% | 0.46% |
| Irish | 31,733 | 15.58%, see rank | 17.23% | 10.80% |
| Italian | 14,147 | 6.94%, see rank | 9.94% | 5.52% |
| Norwegian | 839 | 0.41%, see rank | 0.42% | 1.42% |
| Polish | 7,058 | 3.46%, see rank | 4.66% | 3.01% |
| Portuguese | 357 | 0.18%, see rank | 0.16% | 0.44% |
| Russian | 1,536 | 0.75%, see rank | 0.85% | 0.92% |
| Scotch-Irish | 1,868 | 0.92%, see rank | 0.77% | 0.99% |
| Scottish | 3,842 | 1.89%, see rank | 1.55% | 1.72% |
| Subsaharan African | 448 | 0.22%, see rank | 1.00% | 0.95% |
| Swedish | 1,624 | 0.80%, see rank | 0.80% | 1.27% |
| Swiss | 437 | 0.21%, see rank | 0.19% | 0.30% |
| Ukrainian | 835 | 0.41%, see rank | 0.50% | 0.31% |
| American | 17,700 | 8.69%, see rank | 5.24% | 7.12% |
| Welsh | 1,847 | 0.91%, see rank | 0.79% | 0.57% |
ACS 2008-2012 data
168,663 (85.32%) out of the total population of 197,681 reported first ancestry.
| Sussex County | % of the Total Population | Delaware | U.S. | |
| Arab | 378 | 0.19%, see rank | 0.28% | 0.53% |
| Czech | 540 | 0.27%, see rank | 0.25% | 0.50% |
| Danish | 291 | 0.15%, see rank | 0.20% | 0.45% |
| Dutch | 3,392 | 1.72%, see rank | 1.49% | 1.51% |
| English | 31,169 | 15.77%, see rank | 11.70% | 8.53% |
| French | 4,635 | 2.34%, see rank | 2.51% | 3.54% |
| German | 33,437 | 16.91%, see rank | 15.87% | 15.79% |
| Greek | 765 | 0.39%, see rank | 0.51% | 0.42% |
| Hungarian | 1,003 | 0.51%, see rank | 0.50% | 0.48% |
| Irish | 34,096 | 17.25%, see rank | 18.09% | 11.36% |
| Italian | 14,291 | 7.23%, see rank | 9.97% | 5.66% |
| Norwegian | 937 | 0.47%, see rank | 0.44% | 1.46% |
| Polish | 7,110 | 3.60%, see rank | 4.84% | 3.13% |
| Portuguese | 394 | 0.20%, see rank | 0.20% | 0.46% |
| Russian | 1,540 | 0.78%, see rank | 0.91% | 0.97% |
| Scotch-Irish | 1,689 | 0.85%, see rank | 0.94% | 1.07% |
| Scottish | 3,665 | 1.85%, see rank | 1.79% | 1.81% |
| Subsaharan African | 390 | 0.20%, see rank | 0.94% | 0.93% |
| Swedish | 1,544 | 0.78%, see rank | 0.79% | 1.34% |
| Swiss | 583 | 0.29%, see rank | 0.21% | 0.31% |
| Ukrainian | 667 | 0.34%, see rank | 0.57% | 0.31% |
| American | 13,757 | 6.96%, see rank | 4.55% | 6.72% |
| Welsh | 2,122 | 1.07%, see rank | 0.99% | 0.60% |
ACS 2006-2010 data
165,494 (86.72%) out of the total population of 190,846 reported first ancestry.
| Sussex County | % of the Total Population | Delaware | U.S. | |
| Arab | 320 | 0.17%, see rank | 0.32% | 0.50% |
| Czech | 444 | 0.23%, see rank | 0.27% | 0.53% |
| Danish | 270 | 0.14%, see rank | 0.20% | 0.48% |
| Dutch | 3,664 | 1.92%, see rank | 1.61% | 1.63% |
| English | 30,346 | 15.90%, see rank | 12.31% | 9.02% |
| French | 4,757 | 2.49%, see rank | 2.56% | 3.77% |
| German | 34,413 | 18.03%, see rank | 16.36% | 16.51% |
| Greek | 700 | 0.37%, see rank | 0.55% | 0.44% |
| Hungarian | 875 | 0.46%, see rank | 0.56% | 0.51% |
| Irish | 34,097 | 17.87%, see rank | 18.20% | 11.76% |
| Italian | 13,312 | 6.98%, see rank | 9.87% | 5.78% |
| Norwegian | 1,059 | 0.55%, see rank | 0.53% | 1.51% |
| Polish | 7,319 | 3.84%, see rank | 5.17% | 3.24% |
| Portuguese | 345 | 0.18%, see rank | 0.22% | 0.47% |
| Russian | 1,198 | 0.63%, see rank | 0.85% | 1.01% |
| Scotch-Irish | 3,058 | 1.60%, see rank | 1.75% | 1.72% |
| Scottish | 4,030 | 2.11%, see rank | 1.93% | 1.92% |
| Subsaharan African | 414 | 0.22%, see rank | 1.14% | 0.91% |
| Swedish | 1,554 | 0.81%, see rank | 0.83% | 1.41% |
| Swiss | 605 | 0.32%, see rank | 0.26% | 0.33% |
| Ukrainian | 582 | 0.30%, see rank | 0.67% | 0.31% |
| American | 11,888 | 6.23%, see rank | 4.25% | 6.28% |
| Welsh | 2,459 | 1.29%, see rank | 1.07% | 0.63% |
ACS 2005-2009 data
160,549 (86.91%) out of the total population of 184,726 reported first ancestry.
| Sussex County | % of the Total Population | Delaware | U.S. | |
| Arab | 339 | 0.18%, see rank | 0.34% | 0.50% |
| Czech | 486 | 0.26%, see rank | 0.31% | 0.54% |
| Danish | 357 | 0.19%, see rank | 0.21% | 0.49% |
| Dutch | 3,698 | 2.00%, see rank | 1.58% | 1.68% |
| English | 29,301 | 15.86%, see rank | 12.65% | 9.29% |
| French | 4,791 | 2.59%, see rank | 2.63% | 3.90% |
| German | 33,116 | 17.93%, see rank | 16.69% | 16.89% |
| Greek | 699 | 0.38%, see rank | 0.52% | 0.45% |
| Hungarian | 863 | 0.47%, see rank | 0.57% | 0.52% |
| Irish | 33,609 | 18.19%, see rank | 18.67% | 12.01% |
| Italian | 12,604 | 6.82%, see rank | 10.16% | 5.91% |
| Norwegian | 1,212 | 0.66%, see rank | 0.54% | 1.55% |
| Polish | 6,789 | 3.68%, see rank | 5.10% | 3.32% |
| Portuguese | 347 | 0.19%, see rank | 0.22% | 0.48% |
| Russian | 1,173 | 0.63%, see rank | 0.90% | 1.04% |
| Scotch-Irish | 3,024 | 1.64%, see rank | 1.81% | 1.77% |
| Scottish | 3,909 | 2.12%, see rank | 2.05% | 1.97% |
| Subsaharan African | 310 | 0.17%, see rank | 1.10% | 0.88% |
| Swedish | 1,576 | 0.85%, see rank | 0.93% | 1.45% |
| Swiss | 638 | 0.35%, see rank | 0.26% | 0.34% |
| Ukrainian | 614 | 0.33%, see rank | 0.73% | 0.32% |
| American | 12,831 | 6.95%, see rank | 4.35% | 6.43% |
| Welsh | 2,384 | 1.29%, see rank | 1.11% | 0.65% |
US Census 2000 data
117,218 (74.83%) out of the total population of 156,638 reported first ancestry.
| Sussex County | % of the Total Population | Delaware | U.S. | |
| Arab | 52 | 0.03%, see rank | 0.17% | 0.36% |
| Czech | 165 | 0.11%, see rank | 0.12% | 0.27% |
| Danish | 115 | 0.07%, see rank | 0.12% | 0.30% |
| Dutch | 1,438 | 0.92%, see rank | 0.75% | 0.91% |
| English | 17,433 | 11.13%, see rank | 8.18% | 5.91% |
| French | 2,262 | 1.44%, see rank | 1.52% | 2.39% |
| German | 14,843 | 9.48%, see rank | 9.50% | 10.81% |
| Greek | 234 | 0.15%, see rank | 0.36% | 0.34% |
| Hungarian | 384 | 0.25%, see rank | 0.31% | 0.32% |
| Irish | 15,124 | 9.66%, see rank | 11.07% | 6.85% |
| Italian | 6,551 | 4.18%, see rank | 7.56% | 4.59% |
| Norwegian | 709 | 0.45%, see rank | 0.35% | 1.15% |
| Polish | 3,258 | 2.08%, see rank | 3.64% | 2.24% |
| Portuguese | 118 | 0.08%, see rank | 0.08% | 0.33% |
| Russian | 465 | 0.30%, see rank | 0.54% | 0.68% |
| Scotch-Irish | 1,684 | 1.08%, see rank | 1.10% | 1.17% |
| Scottish | 1,801 | 1.15%, see rank | 1.24% | 1.12% |
| Subsaharan African | 658 | 0.42%, see rank | 0.99% | 0.61% |
| Swedish | 768 | 0.49%, see rank | 0.52% | 0.87% |
| Swiss | 164 | 0.10%, see rank | 0.12% | 0.19% |
| Ukrainian | 287 | 0.18%, see rank | 0.44% | 0.24% |
| American | 16,714 | 10.67%, see rank | 6.06% | 7.33% |
| Welsh | 780 | 0.50%, see rank | 0.51% | 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.