| | Deephaven, MN | Excelsior, MN | United States |
| Population | 3,878 | 2,389 | 329,725,481 |
| Female Population | 49.3% | 49.0% | 50.5% |
| Male Population | 50.7% | 51.0% | 49.5% |
| Median Age | 45.6 | 43.9 | 38.4 |
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| Population - 2010 | 3,631 | 2,215 | 309,327,143 |
| Population - 2000 | 3,853 | 2,393 | 285,036,114 |
| Population - 1990 | 3,653 | 2,367 | 251,960,433 |
| Pop. 2000 to Now | 1.2% | -2.8% | 15.6% |
| Pop. 1990 to Now | 6.7% | -1.7% | 30.8% |
| space4 | | | |
| Population Density | 1,656.6 | 3,853.2 | 93.4 |
| Land Area | 2.3 | 0.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Deephaven, MN | Excelsior, MN | United States |
| Age 0 to 4 | 4.4% | 3.6% | 5.9% |
| Age 5 to 9 | 6.9% | 4.1% | 6.1% |
| Age 10 to 14 | 7.1% | 6.6% | 6.6% |
| Age 15 to 17 | 7.4% | 1.8% | 3.9% |
| Age 18 to 20 | 1.7% | 3.3% | 4.0% |
| Age 21 to 24 | 2.9% | 3.6% | 5.2% |
| Age 25 to 34 | 5.5% | 13.8% | 13.8% |
| Age 35 to 44 | 13.0% | 13.5% | 12.9% |
| Age 45 to 54 | 14.6% | 10.0% | 12.6% |
| Age 55 to 59 | 12.3% | 9.1% | 6.7% |
| Age 60 to 64 | 6.2% | 10.9% | 6.3% |
| Age 65 to 74 | 8.3% | 14.1% | 9.6% |
| Age 75 to 84 | 4.8% | 4.7% | 4.5% |
| Age 85 and over | 4.9% | 0.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Deephaven, MN | Excelsior, MN | United States |
| White | 96.7% | 92.8% | 59.4% |
| Black | 0.1% | 0.0% | 12.2% |
| Asian | 1.2% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.6% | 1.7% | 3.2% |
| Hispanic | 1.3% | 5.0% | 18.4% |
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| Marriage & Family | | | |
| | Deephaven, MN | Excelsior, MN | United States |
| Married Population | 65.5% | 48.3% | 49.8% |
| Currently Married | 65.2% | 48.3% | 48.0% |
| Married but Separated | 0.3% | 0.0% | 1.8% |
| Single Population | 34.5% | 51.7% | 50.2% |
| Never Married | 23.0% | 27.1% | 33.8% |
| Divorced | 5.8% | 22.9% | 10.8% |
| Widowed | 5.7% | 1.6% | 5.6% |
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| Household Size | 2.59 | 2.06 | 2.60 |
| Households | 1,486 | 1,140 | 124,010,992 |
| Family Households | 1,069 | 639 | 80,755,759 |
| Married couple, w/children | 47.6% | 28.2% | 30.5% |
| Married couple, no children | 46.5% | 50.4% | 42.9% |
| Non Family Households | 417 | 501 | 43,255,233 |
| Single householder, w/children | 3.3% | 13.8% | 15.8% |
| Single householder, no children | 2.6% | 7.7% | 10.8% |