| | Oconto, WI | Rhinelander, WI | United States |
| Population | 4,522 | 8,177 | 329,725,481 |
| Female Population | 49.2% | 51.2% | 50.5% |
| Male Population | 50.8% | 48.8% | 49.5% |
| Median Age | 46.2 | 37.9 | 38.4 |
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| Population - 2010 | 4,523 | 7,772 | 309,327,143 |
| Population - 2000 | 4,708 | 7,735 | 285,036,114 |
| Population - 1990 | 4,474 | 7,427 | 251,960,433 |
| Pop. 2000 to Now | -2.8% | -1.3% | 15.6% |
| Pop. 1990 to Now | 2.3% | 2.8% | 30.8% |
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| Population Density | 666.6 | 982.0 | 93.4 |
| Land Area | 6.8 | 8.3 | 3,531,905.4 |
| Water Area | 0.4 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Oconto, WI | Rhinelander, WI | United States |
| Age 0 to 4 | 4.0% | 7.1% | 5.9% |
| Age 5 to 9 | 6.6% | 5.5% | 6.1% |
| Age 10 to 14 | 6.8% | 6.5% | 6.6% |
| Age 15 to 17 | 2.7% | 3.8% | 3.9% |
| Age 18 to 20 | 4.2% | 2.7% | 4.0% |
| Age 21 to 24 | 4.3% | 6.1% | 5.2% |
| Age 25 to 34 | 11.3% | 15.0% | 13.8% |
| Age 35 to 44 | 9.6% | 9.9% | 12.9% |
| Age 45 to 54 | 12.6% | 11.3% | 12.6% |
| Age 55 to 59 | 6.2% | 6.5% | 6.7% |
| Age 60 to 64 | 8.1% | 8.8% | 6.3% |
| Age 65 to 74 | 15.6% | 8.7% | 9.6% |
| Age 75 to 84 | 6.5% | 4.5% | 4.5% |
| Age 85 and over | 1.6% | 3.6% | 1.9% |
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| Race | | | |
| | Oconto, WI | Rhinelander, WI | United States |
| White | 91.8% | 90.4% | 59.4% |
| Black | 0.9% | 1.1% | 12.2% |
| Asian | 0.7% | 0.2% | 5.6% |
| Native American | 0.9% | 2.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.5% | 0.4% |
| Two or More Races | 1.6% | 2.2% | 3.2% |
| Hispanic | 4.1% | 2.0% | 18.4% |
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| Marriage & Family | | | |
| | Oconto, WI | Rhinelander, WI | United States |
| Married Population | 43.2% | 37.1% | 49.8% |
| Currently Married | 42.1% | 36.4% | 48.0% |
| Married but Separated | 1.2% | 0.8% | 1.8% |
| Single Population | 56.8% | 62.9% | 50.2% |
| Never Married | 31.3% | 38.9% | 33.8% |
| Divorced | 17.2% | 15.8% | 10.8% |
| Widowed | 8.3% | 8.2% | 5.6% |
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| Household Size | 2.24 | 2.42 | 2.60 |
| Households | 1,957 | 3,228 | 124,010,992 |
| Family Households | 1,187 | 1,575 | 80,755,759 |
| Married couple, w/children | 16.9% | 29.8% | 30.5% |
| Married couple, no children | 47.0% | 43.4% | 42.9% |
| Non Family Households | 770 | 1,653 | 43,255,233 |
| Single householder, w/children | 21.7% | 18.4% | 15.8% |
| Single householder, no children | 14.3% | 8.3% | 10.8% |