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Percentage of the population reporting 'German' ancestry (%):
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Percentage of the population reporting 'American' ancestry (%):
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| 8.2% | 12.2% | 16.1% | 20.0% | 23.9% | 27.8% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 5.8% | 8.7% | 11.5% | 14.3% | 17.1% | 20.0% |
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Percentage of the population reporting 'Swiss' ancestry (%):
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Percentage of the population reporting 'English' ancestry (%):
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Percentage of the population reporting 'Italian' ancestry (%):
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| 0.00% | 0.32% | 0.64% | 0.96% | 1.28% | 1.61% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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Percentage of the population reporting 'Scottish' ancestry (%):
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Percentage of the population reporting 'Polish' ancestry (%):
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| 0.00% | 0.19% | 0.37% | 0.56% | 0.74% | 0.93% |
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Percentage of the population reporting 'Pennsylvania German' ancestry (%):
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| 0.00% | 0.20% | 0.41% | 0.61% | 0.82% | 1.03% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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| 0.00% | 0.34% | 0.68% | 1.01% | 1.35% | 1.69% |
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Percentage of the population reporting 'French' ancestry (%):
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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| 0.00% | 0.23% | 0.45% | 0.68% | 0.90% | 1.13% |
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Percentage of the population reporting 'Swedish' ancestry (%):
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| 0.00% | 0.24% | 0.48% | 0.72% | 0.96% | 1.20% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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| 0.000% | 0.032% | 0.064% | 0.096% | 0.128% | 0.160% |
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Percentage of the population reporting ' Dominican' ancestry (%):
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| 0.00% | 0.16% | 0.31% | 0.47% | 0.62% | 0.78% |
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Percentage of the population reporting ' Central American' ancestry (%):
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| 0.000% | 0.021% | 0.042% | 0.063% | 0.084% | 0.105% |
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Percentage of the population reporting 'Korean' ancestry (%):
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| 0.00% | 0.09% | 0.18% | 0.27% | 0.35% | 0.45% |
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Percentage of the population reporting 'German' ancestry (%):
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| 29.91% | 30.37% | 30.83% | 31.29% | 31.75% | 32.21% |
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Percentage of the population reporting 'American' ancestry (%):
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| 11.4% | 12.5% | 13.5% | 14.6% | 15.7% | 16.8% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 5.1% | 6.3% | 7.5% | 8.6% | 9.8% | 11.0% |
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Percentage of the population reporting 'Swiss' ancestry (%):
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Percentage of the population reporting 'English' ancestry (%):
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| 4.67% | 5.03% | 5.39% | 5.74% | 6.10% | 6.46% |
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Percentage of the population reporting 'Italian' ancestry (%):
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| 0.57% | 0.87% | 1.17% | 1.46% | 1.76% | 2.06% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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| 2.105% | 2.154% | 2.202% | 2.250% | 2.298% | 2.347% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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| 1.27% | 1.62% | 1.98% | 2.33% | 2.68% | 3.04% |
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Percentage of the population reporting 'Polish' ancestry (%):
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| 0.16% | 0.27% | 0.38% | 0.49% | 0.60% | 0.71% |
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Percentage of the population reporting 'Pennsylvania German' ancestry (%):
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| 0.000% | 0.049% | 0.098% | 0.148% | 0.197% | 0.247% |
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Percentage of the population reporting 'Welsh' ancestry (%):
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| 0.32% | 0.45% | 0.57% | 0.69% | 0.81% | 0.93% |
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Percentage of the population reporting 'French' ancestry (%):
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| 0.73% | 0.87% | 1.00% | 1.13% | 1.26% | 1.40% |
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Percentage of the population reporting 'Scotch-Irish' ancestry (%):
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| 0.246% | 0.275% | 0.304% | 0.333% | 0.362% | 0.392% |
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Percentage of the population reporting 'Swedish' ancestry (%):
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| 0.437% | 0.443% | 0.448% | 0.454% | 0.459% | 0.465% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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| 2.00% | 2.10% | 2.20% | 2.29% | 2.39% | 2.49% |
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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| 0.000% | 0.010% | 0.020% | 0.029% | 0.039% | 0.049% |
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Percentage of the population reporting ' Central American' ancestry (%):
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| 0.000% | 0.034% | 0.068% | 0.103% | 0.137% | 0.172% |
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Percentage of the population reporting 'Korean' ancestry (%):
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| 0.00% | 0.05% | 0.11% | 0.16% | 0.22% | 0.27% |
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