| | Florence, WI | Bayfield, WI | United States |
| Population | 1,798 | 558 | 329,725,481 |
| Female Population | 51.4% | 47.9% | 50.5% |
| Male Population | 48.6% | 52.2% | 49.5% |
| Median Age | 57.7 | 63.5 | 38.4 |
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| Population - 2010 | 1,991 | 482 | 309,327,143 |
| Population - 2000 | 2,319 | 611 | 285,036,114 |
| Population - 1990 | 2,097 | 686 | 251,960,433 |
| Pop. 2000 to Now | -16.1% | -22.4% | 15.6% |
| Pop. 1990 to Now | -7.3% | -30.9% | 30.8% |
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| Population Density | 11.7 | 648.8 | 93.4 |
| Land Area | 153.8 | 0.9 | 3,531,905.4 |
| Water Area | 3.9 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Florence, WI | Bayfield, WI | United States |
| Age 0 to 4 | 3.8% | 0.0% | 5.9% |
| Age 5 to 9 | 3.5% | 2.5% | 6.1% |
| Age 10 to 14 | 5.9% | 2.5% | 6.6% |
| Age 15 to 17 | 2.1% | 1.4% | 3.9% |
| Age 18 to 20 | 1.3% | 0.0% | 4.0% |
| Age 21 to 24 | 0.9% | 7.2% | 5.2% |
| Age 25 to 34 | 6.6% | 15.6% | 13.8% |
| Age 35 to 44 | 9.8% | 5.6% | 12.9% |
| Age 45 to 54 | 10.5% | 1.1% | 12.6% |
| Age 55 to 59 | 14.1% | 7.0% | 6.7% |
| Age 60 to 64 | 13.8% | 9.0% | 6.3% |
| Age 65 to 74 | 15.8% | 29.2% | 9.6% |
| Age 75 to 84 | 8.8% | 15.8% | 4.5% |
| Age 85 and over | 3.0% | 3.2% | 1.9% |
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| Race | | | |
| | Florence, WI | Bayfield, WI | United States |
| White | 96.5% | 80.3% | 59.4% |
| Black | 1.2% | 7.5% | 12.2% |
| Asian | 0.0% | 3.6% | 5.6% |
| Native American | 0.0% | 4.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.8% | 4.1% | 3.2% |
| Hispanic | 0.6% | 0.4% | 18.4% |
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| Marriage & Family | | | |
| | Florence, WI | Bayfield, WI | United States |
| Married Population | 56.0% | 44.5% | 49.8% |
| Currently Married | 55.2% | 43.8% | 48.0% |
| Married but Separated | 0.8% | 0.8% | 1.8% |
| Single Population | 44.0% | 55.5% | 50.2% |
| Never Married | 16.9% | 31.1% | 33.8% |
| Divorced | 17.9% | 16.4% | 10.8% |
| Widowed | 9.3% | 7.9% | 5.6% |
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| Household Size | 1.99 | 1.82 | 2.60 |
| Households | 881 | 307 | 124,010,992 |
| Family Households | 543 | 143 | 80,755,759 |
| Married couple, w/children | 11.8% | 8.4% | 30.5% |
| Married couple, no children | 68.7% | 69.9% | 42.9% |
| Non Family Households | 338 | 164 | 43,255,233 |
| Single householder, w/children | 14.2% | 2.1% | 15.8% |
| Single householder, no children | 5.3% | 19.6% | 10.8% |