Grundy County Historical First Ancestry Data
ACS 2010-2014 data
10,485 (84.54%) out of the total population of 12,403 reported first ancestry.
Grundy County | % of the Total Population | Iowa | U.S. | |
Arab | 0 | 0.00%, see rank | 0.27% | 0.56% |
Czech | 277 | 2.23%, see rank | 1.89% | 0.47% |
Danish | 337 | 2.72%, see rank | 1.86% | 0.42% |
Dutch | 535 | 4.31%, see rank | 4.35% | 1.40% |
English | 686 | 5.53%, see rank | 8.78% | 8.02% |
French | 252 | 2.03%, see rank | 2.60% | 3.34% |
German | 6,867 | 55.37%, see rank | 36.73% | 15.03% |
Greek | 0 | 0.00%, see rank | 0.22% | 0.41% |
Hungarian | 2 | 0.02%, see rank | 0.12% | 0.46% |
Irish | 1,556 | 12.55%, see rank | 14.07% | 10.80% |
Italian | 135 | 1.09%, see rank | 2.10% | 5.52% |
Norwegian | 667 | 5.38%, see rank | 5.34% | 1.42% |
Polish | 125 | 1.01%, see rank | 1.28% | 3.01% |
Portuguese | 0 | 0.00%, see rank | 0.06% | 0.44% |
Russian | 17 | 0.14%, see rank | 0.36% | 0.92% |
Scotch-Irish | 121 | 0.98%, see rank | 0.85% | 0.99% |
Scottish | 185 | 1.49%, see rank | 1.51% | 1.72% |
Subsaharan African | 12 | 0.10%, see rank | 0.56% | 0.95% |
Swedish | 126 | 1.02%, see rank | 2.92% | 1.27% |
Swiss | 30 | 0.24%, see rank | 0.47% | 0.30% |
Ukrainian | 0 | 0.00%, see rank | 0.09% | 0.31% |
American | 824 | 6.64%, see rank | 6.36% | 7.12% |
Welsh | 65 | 0.52%, see rank | 0.67% | 0.57% |
ACS 2008-2012 data
10,812 (86.98%) out of the total population of 12,431 reported first ancestry.
Grundy County | % of the Total Population | Iowa | U.S. | |
Arab | 0 | 0.00%, see rank | 0.21% | 0.53% |
Czech | 280 | 2.25%, see rank | 1.99% | 0.50% |
Danish | 341 | 2.74%, see rank | 2.04% | 0.45% |
Dutch | 551 | 4.43%, see rank | 4.70% | 1.51% |
English | 768 | 6.18%, see rank | 9.27% | 8.53% |
French | 215 | 1.73%, see rank | 2.82% | 3.54% |
German | 7,169 | 57.67%, see rank | 38.44% | 15.79% |
Greek | 7 | 0.06%, see rank | 0.23% | 0.42% |
Hungarian | 2 | 0.02%, see rank | 0.12% | 0.48% |
Irish | 1,669 | 13.43%, see rank | 14.91% | 11.36% |
Italian | 114 | 0.92%, see rank | 2.14% | 5.66% |
Norwegian | 609 | 4.90%, see rank | 5.56% | 1.46% |
Polish | 83 | 0.67%, see rank | 1.31% | 3.13% |
Portuguese | 0 | 0.00%, see rank | 0.06% | 0.46% |
Russian | 24 | 0.19%, see rank | 0.38% | 0.97% |
Scotch-Irish | 152 | 1.22%, see rank | 0.95% | 1.07% |
Scottish | 168 | 1.35%, see rank | 1.58% | 1.81% |
Subsaharan African | 6 | 0.05%, see rank | 0.54% | 0.93% |
Swedish | 152 | 1.22%, see rank | 3.15% | 1.34% |
Swiss | 27 | 0.22%, see rank | 0.50% | 0.31% |
Ukrainian | 0 | 0.00%, see rank | 0.09% | 0.31% |
American | 716 | 5.76%, see rank | 5.98% | 6.72% |
Welsh | 98 | 0.79%, see rank | 0.71% | 0.60% |
ACS 2006-2010 data
11,184 (90.19%) out of the total population of 12,401 reported first ancestry.
Grundy County | % of the Total Population | Iowa | U.S. | |
Arab | 0 | 0.00%, see rank | 0.17% | 0.50% |
Czech | 271 | 2.19%, see rank | 2.07% | 0.53% |
Danish | 399 | 3.22%, see rank | 2.20% | 0.48% |
Dutch | 753 | 6.07%, see rank | 4.90% | 1.63% |
English | 834 | 6.73%, see rank | 9.85% | 9.02% |
French | 266 | 2.14%, see rank | 3.05% | 3.77% |
German | 7,143 | 57.60%, see rank | 39.79% | 16.51% |
Greek | 16 | 0.13%, see rank | 0.24% | 0.44% |
Hungarian | 0 | 0.00%, see rank | 0.14% | 0.51% |
Irish | 1,874 | 15.11%, see rank | 15.41% | 11.76% |
Italian | 71 | 0.57%, see rank | 2.22% | 5.78% |
Norwegian | 557 | 4.49%, see rank | 5.63% | 1.51% |
Polish | 99 | 0.80%, see rank | 1.35% | 3.24% |
Portuguese | 0 | 0.00%, see rank | 0.07% | 0.47% |
Russian | 26 | 0.21%, see rank | 0.36% | 1.01% |
Scotch-Irish | 193 | 1.56%, see rank | 1.53% | 1.72% |
Scottish | 119 | 0.96%, see rank | 1.68% | 1.92% |
Subsaharan African | 9 | 0.07%, see rank | 0.51% | 0.91% |
Swedish | 153 | 1.23%, see rank | 3.26% | 1.41% |
Swiss | 24 | 0.19%, see rank | 0.53% | 0.33% |
Ukrainian | 0 | 0.00%, see rank | 0.09% | 0.31% |
American | 878 | 7.08%, see rank | 5.61% | 6.28% |
Welsh | 71 | 0.57%, see rank | 0.76% | 0.63% |
ACS 2005-2009 data
10,951 (90.01%) out of the total population of 12,166 reported first ancestry.
Grundy County | % of the Total Population | Iowa | U.S. | |
Arab | 0 | 0.00%, see rank | 0.15% | 0.50% |
Czech | 166 | 1.36%, see rank | 2.12% | 0.54% |
Danish | 415 | 3.41%, see rank | 2.25% | 0.49% |
Dutch | 648 | 5.33%, see rank | 5.01% | 1.68% |
English | 860 | 7.07%, see rank | 10.07% | 9.29% |
French | 303 | 2.49%, see rank | 3.19% | 3.90% |
German | 7,135 | 58.65%, see rank | 40.46% | 16.89% |
Greek | 18 | 0.15%, see rank | 0.24% | 0.45% |
Hungarian | 0 | 0.00%, see rank | 0.14% | 0.52% |
Irish | 1,737 | 14.28%, see rank | 15.67% | 12.01% |
Italian | 55 | 0.45%, see rank | 2.18% | 5.91% |
Norwegian | 520 | 4.27%, see rank | 5.67% | 1.55% |
Polish | 56 | 0.46%, see rank | 1.39% | 3.32% |
Portuguese | 0 | 0.00%, see rank | 0.07% | 0.48% |
Russian | 25 | 0.21%, see rank | 0.37% | 1.04% |
Scotch-Irish | 180 | 1.48%, see rank | 1.58% | 1.77% |
Scottish | 138 | 1.13%, see rank | 1.72% | 1.97% |
Subsaharan African | 0 | 0.00%, see rank | 0.41% | 0.88% |
Swedish | 149 | 1.22%, see rank | 3.30% | 1.45% |
Swiss | 24 | 0.20%, see rank | 0.56% | 0.34% |
Ukrainian | 0 | 0.00%, see rank | 0.09% | 0.32% |
American | 857 | 7.04%, see rank | 5.67% | 6.43% |
Welsh | 68 | 0.56%, see rank | 0.78% | 0.65% |
US Census 2000 data
9,868 (79.78%) out of the total population of 12,369 reported first ancestry.
Grundy County | % of the Total Population | Iowa | U.S. | |
Arab | 12 | 0.10%, see rank | 0.13% | 0.36% |
Czech | 120 | 0.97%, see rank | 1.09% | 0.27% |
Danish | 263 | 2.13%, see rank | 1.45% | 0.30% |
Dutch | 228 | 1.84%, see rank | 3.03% | 0.91% |
English | 546 | 4.41%, see rank | 5.89% | 5.91% |
French | 126 | 1.02%, see rank | 1.56% | 2.39% |
German | 5,900 | 47.70%, see rank | 28.26% | 10.81% |
Greek | 2 | 0.02%, see rank | 0.15% | 0.34% |
Hungarian | 0 | 0.00%, see rank | 0.07% | 0.32% |
Irish | 661 | 5.34%, see rank | 7.69% | 6.85% |
Italian | 100 | 0.81%, see rank | 1.28% | 4.59% |
Norwegian | 378 | 3.06%, see rank | 4.28% | 1.15% |
Polish | 58 | 0.47%, see rank | 0.70% | 2.24% |
Portuguese | 2 | 0.02%, see rank | 0.03% | 0.33% |
Russian | 7 | 0.06%, see rank | 0.17% | 0.68% |
Scotch-Irish | 89 | 0.72%, see rank | 1.01% | 1.17% |
Scottish | 124 | 1.00%, see rank | 0.88% | 1.12% |
Subsaharan African | 0 | 0.00%, see rank | 0.23% | 0.61% |
Swedish | 115 | 0.93%, see rank | 2.04% | 0.87% |
Swiss | 17 | 0.14%, see rank | 0.30% | 0.19% |
Ukrainian | 2 | 0.02%, see rank | 0.05% | 0.24% |
American | 808 | 6.53%, see rank | 6.73% | 7.33% |
Welsh | 20 | 0.16%, see rank | 0.39% | 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.