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Percentage of the population reporting 'German' ancestry (%):
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| 17.6% | 19.1% | 20.6% | 22.1% | 23.6% | 25.2% |
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Percentage of the population reporting 'Polish' ancestry (%):
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| 0.6% | 2.9% | 5.1% | 7.3% | 9.6% | 11.8% |
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Percentage of the population reporting 'English' ancestry (%):
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| 5.0% | 6.8% | 8.6% | 10.5% | 12.3% | 14.2% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 7.6% | 8.3% | 9.1% | 9.8% | 10.5% | 11.2% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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Percentage of the population reporting 'American' ancestry (%):
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| 5.3% | 7.1% | 8.8% | 10.5% | 12.2% | 13.9% |
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Percentage of the population reporting 'Italian' ancestry (%):
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Percentage of the population reporting 'Scottish' ancestry (%):
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Percentage of the population reporting 'Swedish' ancestry (%):
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Percentage of the population reporting 'Portuguese' ancestry (%):
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| 0.00% | 0.39% | 0.77% | 1.16% | 1.54% | 1.93% |
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Percentage of the population reporting 'Slavic' ancestry (%):
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| 0.00% | 0.15% | 0.31% | 0.46% | 0.62% | 0.78% |
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Percentage of the population reporting 'Canadian' ancestry (%):
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| 0.00% | 0.08% | 0.15% | 0.23% | 0.31% | 0.39% |
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Percentage of the population reporting 'Austrian' ancestry (%):
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| 0.00% | 0.05% | 0.10% | 0.15% | 0.21% | 0.26% |
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Percentage of the population reporting 'French' ancestry (%):
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Percentage of the population reporting 'Hungarian' ancestry (%):
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| 0.00% | 0.35% | 0.70% | 1.05% | 1.40% | 1.76% |
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Percentage of the population reporting ' Mexican' ancestry (%):
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| 0.0% | 3.3% | 6.6% | 9.8% | 13.1% | 16.4% |
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Percentage of the population reporting ' Puerto Rican' ancestry (%):
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Percentage of the population reporting ' Central American' ancestry (%):
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| 0.000% | 0.022% | 0.043% | 0.065% | 0.086% | 0.108% |
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Percentage of the population reporting 'Filipino' ancestry (%):
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| 0.00% | 0.05% | 0.10% | 0.15% | 0.21% | 0.26% |
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Percentage of the population reporting 'Indian' ancestry (%):
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| 0.00% | 0.47% | 0.95% | 1.42% | 1.89% | 2.37% |
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Percentage of the population reporting 'German' ancestry (%):
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| 23.7% | 25.3% | 26.9% | 28.4% | 29.9% | 31.5% |
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Percentage of the population reporting 'Polish' ancestry (%):
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Percentage of the population reporting 'English' ancestry (%):
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| 9.01% | 9.19% | 9.38% | 9.56% | 9.74% | 9.93% |
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Percentage of the population reporting 'Irish' ancestry (%):
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| 12.36% | 12.53% | 12.70% | 12.87% | 13.03% | 13.20% |
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Percentage of the population reporting 'Dutch' ancestry (%):
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| 1.31% | 1.58% | 1.85% | 2.11% | 2.37% | 2.64% |
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Percentage of the population reporting 'American' ancestry (%):
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Percentage of the population reporting 'Italian' ancestry (%):
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| 1.90% | 2.18% | 2.44% | 2.71% | 2.98% | 3.25% |
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Percentage of the population reporting 'Scottish' ancestry (%):
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| 2.90% | 3.04% | 3.18% | 3.31% | 3.45% | 3.59% |
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Percentage of the population reporting 'Swedish' ancestry (%):
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| 0.53% | 0.68% | 0.82% | 0.96% | 1.10% | 1.25% |
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Percentage of the population reporting 'Portuguese' ancestry (%):
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| 0.00% | 0.11% | 0.23% | 0.34% | 0.46% | 0.58% |
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Percentage of the population reporting 'Slavic' ancestry (%):
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| 0.000% | 0.046% | 0.092% | 0.137% | 0.183% | 0.230% |
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Percentage of the population reporting 'Canadian' ancestry (%):
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| 0.000% | 0.023% | 0.046% | 0.069% | 0.092% | 0.115% |
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Percentage of the population reporting 'Austrian' ancestry (%):
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| 0.076% | 0.121% | 0.166% | 0.212% | 0.257% | 0.302% |
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Percentage of the population reporting 'French' ancestry (%):
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| 1.83% | 2.31% | 2.79% | 3.27% | 3.74% | 4.23% |
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Percentage of the population reporting 'Hungarian' ancestry (%):
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| 0.30% | 0.36% | 0.43% | 0.49% | 0.55% | 0.62% |
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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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Percentage of the population reporting ' Cuban' ancestry (%):
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| 0.000% | 0.015% | 0.030% | 0.045% | 0.060% | 0.076% |
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Percentage of the population reporting 'Filipino' ancestry (%):
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| 0.000% | 0.015% | 0.031% | 0.046% | 0.061% | 0.077% |
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Percentage of the population reporting 'Indian' ancestry (%):
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| 0.00% | 0.34% | 0.67% | 1.01% | 1.34% | 1.68% |
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