| | New Berlin, WI | Farmington Hills, MI | United States |
| Population | 40,289 | 83,749 | 329,725,481 |
| Female Population | 49.6% | 50.5% | 50.5% |
| Male Population | 50.4% | 49.5% | 49.5% |
| Median Age | 46.7 | 42.1 | 38.4 |
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| Population - 2010 | 39,604 | 79,762 | 309,327,143 |
| Population - 2000 | 38,220 | 82,111 | 285,036,114 |
| Population - 1990 | 33,592 | 74,652 | 251,960,433 |
| Pop. 2000 to Now | 4.2% | -2.6% | 15.6% |
| Pop. 1990 to Now | 18.5% | 7.2% | 30.8% |
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| Population Density | 1,105.0 | 2,517.3 | 93.4 |
| Land Area | 36.5 | 33.3 | 3,531,905.4 |
| Water Area | 0.4 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | New Berlin, WI | Farmington Hills, MI | United States |
| Age 0 to 4 | 5.6% | 4.8% | 5.9% |
| Age 5 to 9 | 5.1% | 4.6% | 6.1% |
| Age 10 to 14 | 4.6% | 5.2% | 6.6% |
| Age 15 to 17 | 3.8% | 3.6% | 3.9% |
| Age 18 to 20 | 2.8% | 2.6% | 4.0% |
| Age 21 to 24 | 4.2% | 5.1% | 5.2% |
| Age 25 to 34 | 10.2% | 14.9% | 13.8% |
| Age 35 to 44 | 11.9% | 12.1% | 12.9% |
| Age 45 to 54 | 13.9% | 13.6% | 12.6% |
| Age 55 to 59 | 8.0% | 6.7% | 6.7% |
| Age 60 to 64 | 8.3% | 7.1% | 6.3% |
| Age 65 to 74 | 12.6% | 11.5% | 9.6% |
| Age 75 to 84 | 6.2% | 5.2% | 4.5% |
| Age 85 and over | 2.9% | 3.0% | 1.9% |
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| Race | | | |
| | New Berlin, WI | Farmington Hills, MI | United States |
| White | 88.7% | 60.9% | 59.4% |
| Black | 1.4% | 17.9% | 12.2% |
| Asian | 4.5% | 14.4% | 5.6% |
| Native American | 0.2% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 2.1% | 4.0% | 3.2% |
| Hispanic | 3.1% | 2.2% | 18.4% |
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| Marriage & Family | | | |
| | New Berlin, WI | Farmington Hills, MI | United States |
| Married Population | 62.6% | 52.9% | 49.8% |
| Currently Married | 62.1% | 51.7% | 48.0% |
| Married but Separated | 0.5% | 1.2% | 1.8% |
| Single Population | 37.4% | 47.1% | 50.2% |
| Never Married | 22.1% | 32.4% | 33.8% |
| Divorced | 9.5% | 9.0% | 10.8% |
| Widowed | 5.7% | 5.7% | 5.6% |
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| Household Size | 2.31 | 2.33 | 2.60 |
| Households | 17,341 | 35,628 | 124,010,992 |
| Family Households | 12,150 | 21,725 | 80,755,759 |
| Married couple, w/children | 29.8% | 31.4% | 30.5% |
| Married couple, no children | 56.6% | 49.1% | 42.9% |
| Non Family Households | 5,191 | 13,903 | 43,255,233 |
| Single householder, w/children | 8.1% | 8.9% | 15.8% |
| Single householder, no children | 5.4% | 10.6% | 10.8% |