| | Wayzata, MN | Napa, CA | United States |
| Population | 4,367 | 79,700 | 329,725,481 |
| Female Population | 52.5% | 50.3% | 50.5% |
| Male Population | 47.5% | 49.7% | 49.5% |
| Median Age | 55.8 | 39.9 | 38.4 |
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| Population - 2010 | 3,689 | 77,187 | 309,327,143 |
| Population - 2000 | 4,113 | 72,585 | 285,036,114 |
| Population - 1990 | 3,806 | 61,842 | 251,960,433 |
| Pop. 2000 to Now | 12.3% | 6.1% | 15.6% |
| Pop. 1990 to Now | 21.3% | 24.6% | 30.8% |
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| Population Density | 1,413.7 | 4,439.9 | 93.4 |
| Land Area | 3.1 | 18.0 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Wayzata, MN | Napa, CA | United States |
| Age 0 to 4 | 4.6% | 5.4% | 5.9% |
| Age 5 to 9 | 2.0% | 5.4% | 6.1% |
| Age 10 to 14 | 4.8% | 6.8% | 6.6% |
| Age 15 to 17 | 2.3% | 4.0% | 3.9% |
| Age 18 to 20 | 1.4% | 3.4% | 4.0% |
| Age 21 to 24 | 4.3% | 4.7% | 5.2% |
| Age 25 to 34 | 8.0% | 13.6% | 13.8% |
| Age 35 to 44 | 7.0% | 13.5% | 12.9% |
| Age 45 to 54 | 13.6% | 13.2% | 12.6% |
| Age 55 to 59 | 7.8% | 6.5% | 6.7% |
| Age 60 to 64 | 7.6% | 6.1% | 6.3% |
| Age 65 to 74 | 16.8% | 10.4% | 9.6% |
| Age 75 to 84 | 11.8% | 5.0% | 4.5% |
| Age 85 and over | 7.9% | 2.1% | 1.9% |
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| Race | | | |
| | Wayzata, MN | Napa, CA | United States |
| White | 89.4% | 53.0% | 59.4% |
| Black | 2.0% | 0.6% | 12.2% |
| Asian | 2.9% | 2.9% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 2.9% | 3.2% | 3.2% |
| Hispanic | 2.7% | 39.6% | 18.4% |
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| Marriage & Family | | | |
| | Wayzata, MN | Napa, CA | United States |
| Married Population | 63.0% | 51.2% | 49.8% |
| Currently Married | 62.3% | 49.8% | 48.0% |
| Married but Separated | 0.7% | 1.4% | 1.8% |
| Single Population | 37.0% | 48.8% | 50.2% |
| Never Married | 20.3% | 32.2% | 33.8% |
| Divorced | 8.6% | 11.1% | 10.8% |
| Widowed | 8.1% | 5.5% | 5.6% |
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| Household Size | 1.99 | 2.71 | 2.60 |
| Households | 2,183 | 29,099 | 124,010,992 |
| Family Households | 1,266 | 19,393 | 80,755,759 |
| Married couple, w/children | 22.7% | 32.1% | 30.5% |
| Married couple, no children | 71.8% | 44.4% | 42.9% |
| Non Family Households | 917 | 9,706 | 43,255,233 |
| Single householder, w/children | 2.2% | 13.6% | 15.8% |
| Single householder, no children | 3.2% | 9.9% | 10.8% |