| | Ladysmith, WI | Rice Lake, WI | United States |
| Population | 3,194 | 8,851 | 329,725,481 |
| Female Population | 53.8% | 47.3% | 50.5% |
| Male Population | 46.2% | 52.7% | 49.5% |
| Median Age | 43.7 | 37 | 38.4 |
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| Population - 2010 | 3,395 | 8,372 | 309,327,143 |
| Population - 2000 | 3,932 | 8,320 | 285,036,114 |
| Population - 1990 | 3,938 | 7,998 | 251,960,433 |
| Pop. 2000 to Now | -22.3% | 2.1% | 15.6% |
| Pop. 1990 to Now | -22.5% | 6.3% | 30.8% |
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| Population Density | 756.9 | 1,024.9 | 93.4 |
| Land Area | 4.2 | 8.6 | 3,531,905.4 |
| Water Area | 0.4 | 1.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Ladysmith, WI | Rice Lake, WI | United States |
| Age 0 to 4 | 6.0% | 5.7% | 5.9% |
| Age 5 to 9 | 5.1% | 8.4% | 6.1% |
| Age 10 to 14 | 4.9% | 6.7% | 6.6% |
| Age 15 to 17 | 5.1% | 2.5% | 3.9% |
| Age 18 to 20 | 4.1% | 3.8% | 4.0% |
| Age 21 to 24 | 3.7% | 6.1% | 5.2% |
| Age 25 to 34 | 10.9% | 13.6% | 13.8% |
| Age 35 to 44 | 10.9% | 11.0% | 12.9% |
| Age 45 to 54 | 12.6% | 8.7% | 12.6% |
| Age 55 to 59 | 7.7% | 4.8% | 6.7% |
| Age 60 to 64 | 7.9% | 6.5% | 6.3% |
| Age 65 to 74 | 9.0% | 11.2% | 9.6% |
| Age 75 to 84 | 6.9% | 7.1% | 4.5% |
| Age 85 and over | 5.2% | 4.0% | 1.9% |
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| Race | | | |
| | Ladysmith, WI | Rice Lake, WI | United States |
| White | 91.9% | 93.6% | 59.4% |
| Black | 1.7% | 0.5% | 12.2% |
| Asian | 0.6% | 1.1% | 5.6% |
| Native American | 0.0% | 0.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.6% | 0.4% |
| Two or More Races | 2.6% | 0.4% | 3.2% |
| Hispanic | 3.1% | 3.1% | 18.4% |
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| Marriage & Family | | | |
| | Ladysmith, WI | Rice Lake, WI | United States |
| Married Population | 41.7% | 44.6% | 49.8% |
| Currently Married | 41.7% | 42.6% | 48.0% |
| Married but Separated | 0.0% | 2.0% | 1.8% |
| Single Population | 58.3% | 55.4% | 50.2% |
| Never Married | 30.5% | 31.6% | 33.8% |
| Divorced | 15.7% | 16.6% | 10.8% |
| Widowed | 12.1% | 7.3% | 5.6% |
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| Household Size | 2.13 | 2.24 | 2.60 |
| Households | 1,437 | 3,835 | 124,010,992 |
| Family Households | 785 | 2,026 | 80,755,759 |
| Married couple, w/children | 25.2% | 23.1% | 30.5% |
| Married couple, no children | 40.3% | 45.2% | 42.9% |
| Non Family Households | 652 | 1,809 | 43,255,233 |
| Single householder, w/children | 25.0% | 24.7% | 15.8% |
| Single householder, no children | 9.6% | 7.1% | 10.8% |