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Rockville Centre, NY Historical First Ancestry Data
ACS 2010-2014 data
21,946 (90.96%) out of the total population of 24,128 reported first ancestry.
| Rockville Centre, NY | % of the Total Population | New York | U.S. | |
| Arab | 51 | 0.21%, see rank | 0.81% | 0.56% |
| Czech | 74 | 0.31%, see rank | 0.28% | 0.47% |
| Danish | 35 | 0.15%, see rank | 0.18% | 0.42% |
| Dutch | 343 | 1.42%, see rank | 1.25% | 1.40% |
| English | 1,036 | 4.29%, see rank | 5.38% | 8.02% |
| French | 263 | 1.09%, see rank | 2.93% | 3.34% |
| German | 2,814 | 11.66%, see rank | 10.62% | 15.03% |
| Greek | 181 | 0.75%, see rank | 0.77% | 0.41% |
| Hungarian | 199 | 0.82%, see rank | 0.76% | 0.46% |
| Irish | 8,239 | 34.15%, see rank | 12.41% | 10.80% |
| Italian | 6,286 | 26.05%, see rank | 13.28% | 5.52% |
| Norwegian | 164 | 0.68%, see rank | 0.42% | 1.42% |
| Polish | 1,252 | 5.19%, see rank | 4.82% | 3.01% |
| Portuguese | 12 | 0.05%, see rank | 0.27% | 0.44% |
| Russian | 693 | 2.87%, see rank | 2.21% | 0.92% |
| Scotch-Irish | 86 | 0.36%, see rank | 0.35% | 0.99% |
| Scottish | 259 | 1.07%, see rank | 1.06% | 1.72% |
| Subsaharan African | 50 | 0.21%, see rank | 1.27% | 0.95% |
| Swedish | 142 | 0.59%, see rank | 0.62% | 1.27% |
| Swiss | 7 | 0.03%, see rank | 0.18% | 0.30% |
| Ukrainian | 71 | 0.29%, see rank | 0.69% | 0.31% |
| American | 1,046 | 4.34%, see rank | 5.03% | 7.12% |
| Welsh | 50 | 0.21%, see rank | 0.42% | 0.57% |
ACS 2008-2012 data
22,479 (93.63%) out of the total population of 24,009 reported first ancestry.
| Rockville Centre, NY | % of the Total Population | New York | U.S. | |
| Arab | 95 | 0.40%, see rank | 0.79% | 0.53% |
| Czech | 32 | 0.13%, see rank | 0.29% | 0.50% |
| Danish | 0 | 0.00%, see rank | 0.18% | 0.45% |
| Dutch | 375 | 1.56%, see rank | 1.35% | 1.51% |
| English | 1,268 | 5.28%, see rank | 5.77% | 8.53% |
| French | 261 | 1.09%, see rank | 3.12% | 3.54% |
| German | 3,096 | 12.90%, see rank | 11.22% | 15.79% |
| Greek | 335 | 1.40%, see rank | 0.82% | 0.42% |
| Hungarian | 222 | 0.92%, see rank | 0.78% | 0.48% |
| Irish | 8,842 | 36.83%, see rank | 13.03% | 11.36% |
| Italian | 6,500 | 27.07%, see rank | 13.84% | 5.66% |
| Norwegian | 220 | 0.92%, see rank | 0.43% | 1.46% |
| Polish | 1,230 | 5.12%, see rank | 5.08% | 3.13% |
| Portuguese | 26 | 0.11%, see rank | 0.28% | 0.46% |
| Russian | 766 | 3.19%, see rank | 2.41% | 0.97% |
| Scotch-Irish | 46 | 0.19%, see rank | 0.38% | 1.07% |
| Scottish | 181 | 0.75%, see rank | 1.11% | 1.81% |
| Subsaharan African | 0 | 0.00%, see rank | 1.24% | 0.93% |
| Swedish | 128 | 0.53%, see rank | 0.66% | 1.34% |
| Swiss | 57 | 0.24%, see rank | 0.20% | 0.31% |
| Ukrainian | 81 | 0.34%, see rank | 0.69% | 0.31% |
| American | 1,191 | 4.96%, see rank | 4.21% | 6.72% |
| Welsh | 41 | 0.17%, see rank | 0.45% | 0.60% |
ACS 2006-2010 data
22,816 (95.30%) out of the total population of 23,941 reported first ancestry.
| Rockville Centre, NY | % of the Total Population | New York | U.S. | |
| Arab | 84 | 0.35%, see rank | 0.74% | 0.50% |
| Czech | 47 | 0.20%, see rank | 0.30% | 0.53% |
| Danish | 0 | 0.00%, see rank | 0.18% | 0.48% |
| Dutch | 275 | 1.15%, see rank | 1.44% | 1.63% |
| English | 1,310 | 5.47%, see rank | 6.14% | 9.02% |
| French | 345 | 1.44%, see rank | 3.33% | 3.77% |
| German | 3,584 | 14.97%, see rank | 11.71% | 16.51% |
| Greek | 282 | 1.18%, see rank | 0.85% | 0.44% |
| Hungarian | 258 | 1.08%, see rank | 0.80% | 0.51% |
| Irish | 8,256 | 34.48%, see rank | 13.34% | 11.76% |
| Italian | 6,200 | 25.90%, see rank | 14.20% | 5.78% |
| Norwegian | 272 | 1.14%, see rank | 0.45% | 1.51% |
| Polish | 1,408 | 5.88%, see rank | 5.24% | 3.24% |
| Portuguese | 10 | 0.04%, see rank | 0.28% | 0.47% |
| Russian | 1,154 | 4.82%, see rank | 2.47% | 1.01% |
| Scotch-Irish | 162 | 0.68%, see rank | 0.86% | 1.72% |
| Scottish | 131 | 0.55%, see rank | 1.18% | 1.92% |
| Subsaharan African | 30 | 0.13%, see rank | 1.24% | 0.91% |
| Swedish | 171 | 0.71%, see rank | 0.69% | 1.41% |
| Swiss | 87 | 0.36%, see rank | 0.20% | 0.33% |
| Ukrainian | 117 | 0.49%, see rank | 0.69% | 0.31% |
| American | 1,006 | 4.20%, see rank | 3.58% | 6.28% |
| Welsh | 36 | 0.15%, see rank | 0.46% | 0.63% |
ACS 2005-2009 data
23,644 (96.40%) out of the total population of 24,527 reported first ancestry.
| Rockville Centre, NY | % of the Total Population | New York | U.S. | |
| Arab | 76 | 0.31%, see rank | 0.75% | 0.50% |
| Czech | 49 | 0.20%, see rank | 0.31% | 0.54% |
| Danish | 23 | 0.09%, see rank | 0.19% | 0.49% |
| Dutch | 212 | 0.86%, see rank | 1.46% | 1.68% |
| English | 1,251 | 5.10%, see rank | 6.30% | 9.29% |
| French | 422 | 1.72%, see rank | 3.38% | 3.90% |
| German | 3,777 | 15.40%, see rank | 11.88% | 16.89% |
| Greek | 379 | 1.55%, see rank | 0.89% | 0.45% |
| Hungarian | 207 | 0.84%, see rank | 0.82% | 0.52% |
| Irish | 8,548 | 34.85%, see rank | 13.54% | 12.01% |
| Italian | 6,140 | 25.03%, see rank | 14.66% | 5.91% |
| Norwegian | 245 | 1.00%, see rank | 0.47% | 1.55% |
| Polish | 1,251 | 5.10%, see rank | 5.31% | 3.32% |
| Portuguese | 10 | 0.04%, see rank | 0.28% | 0.48% |
| Russian | 1,297 | 5.29%, see rank | 2.56% | 1.04% |
| Scotch-Irish | 155 | 0.63%, see rank | 0.87% | 1.77% |
| Scottish | 115 | 0.47%, see rank | 1.21% | 1.97% |
| Subsaharan African | 32 | 0.13%, see rank | 1.24% | 0.88% |
| Swedish | 168 | 0.68%, see rank | 0.70% | 1.45% |
| Swiss | 84 | 0.34%, see rank | 0.21% | 0.34% |
| Ukrainian | 140 | 0.57%, see rank | 0.72% | 0.32% |
| American | 851 | 3.47%, see rank | 3.66% | 6.43% |
| Welsh | 34 | 0.14%, see rank | 0.47% | 0.65% |
US Census 2000 data
22,219 (90.44%) out of the total population of 24,568 reported first ancestry.
| Rockville Centre, NY | % of the Total Population | New York | U.S. | |
| Arab | 25 | 0.10%, see rank | 0.55% | 0.36% |
| Czech | 91 | 0.37%, see rank | 0.13% | 0.27% |
| Danish | 60 | 0.24%, see rank | 0.12% | 0.30% |
| Dutch | 63 | 0.26%, see rank | 0.71% | 0.91% |
| English | 748 | 3.04%, see rank | 3.65% | 5.91% |
| French | 242 | 0.99%, see rank | 2.01% | 2.39% |
| German | 1,854 | 7.55%, see rank | 6.84% | 10.81% |
| Greek | 213 | 0.87%, see rank | 0.72% | 0.34% |
| Hungarian | 114 | 0.46%, see rank | 0.47% | 0.32% |
| Irish | 6,281 | 25.57%, see rank | 8.65% | 6.85% |
| Italian | 4,845 | 19.72%, see rank | 12.50% | 4.59% |
| Norwegian | 92 | 0.37%, see rank | 0.32% | 1.15% |
| Polish | 604 | 2.46%, see rank | 3.71% | 2.24% |
| Portuguese | 20 | 0.08%, see rank | 0.18% | 0.33% |
| Russian | 1,214 | 4.94%, see rank | 1.93% | 0.68% |
| Scotch-Irish | 189 | 0.77%, see rank | 0.53% | 1.17% |
| Scottish | 182 | 0.74%, see rank | 0.67% | 1.12% |
| Subsaharan African | 7 | 0.03%, see rank | 0.83% | 0.61% |
| Swedish | 162 | 0.66%, see rank | 0.42% | 0.87% |
| Swiss | 22 | 0.09%, see rank | 0.12% | 0.19% |
| Ukrainian | 158 | 0.64%, see rank | 0.62% | 0.24% |
| American | 783 | 3.19%, see rank | 3.78% | 7.33% |
| Welsh | 25 | 0.10%, 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.