| | Chetek, WI | Barron, WI | United States |
| Population | 2,305 | 3,641 | 329,725,481 |
| Female Population | 50.0% | 56.1% | 50.5% |
| Male Population | 50.0% | 43.9% | 49.5% |
| Median Age | 43.2 | 35.1 | 38.4 |
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| Population - 2010 | 2,209 | 3,447 | 309,327,143 |
| Population - 2000 | 2,180 | 3,248 | 285,036,114 |
| Population - 1990 | 1,953 | 2,986 | 251,960,433 |
| Pop. 2000 to Now | -3.9% | -0.4% | 15.6% |
| Pop. 1990 to Now | 7.2% | 8.3% | 30.8% |
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| Population Density | 958.4 | 1,249.1 | 93.4 |
| Land Area | 2.4 | 2.9 | 3,531,905.4 |
| Water Area | 0.7 | 0.1 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Chetek, WI | Barron, WI | United States |
| Age 0 to 4 | 5.0% | 4.6% | 5.9% |
| Age 5 to 9 | 5.4% | 14.1% | 6.1% |
| Age 10 to 14 | 4.7% | 5.5% | 6.6% |
| Age 15 to 17 | 5.1% | 3.8% | 3.9% |
| Age 18 to 20 | 4.5% | 4.3% | 4.0% |
| Age 21 to 24 | 2.8% | 4.7% | 5.2% |
| Age 25 to 34 | 14.4% | 12.8% | 13.8% |
| Age 35 to 44 | 9.3% | 9.5% | 12.9% |
| Age 45 to 54 | 13.5% | 7.9% | 12.6% |
| Age 55 to 59 | 7.6% | 6.6% | 6.7% |
| Age 60 to 64 | 5.5% | 4.3% | 6.3% |
| Age 65 to 74 | 9.6% | 13.1% | 9.6% |
| Age 75 to 84 | 7.3% | 6.4% | 4.5% |
| Age 85 and over | 5.2% | 2.3% | 1.9% |
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| Race | | | |
| | Chetek, WI | Barron, WI | United States |
| White | 94.5% | 73.0% | 59.4% |
| Black | 0.9% | 14.0% | 12.2% |
| Asian | 0.8% | 1.7% | 5.6% |
| Native American | 2.1% | 1.9% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.1% | 2.2% | 3.2% |
| Hispanic | 1.6% | 7.2% | 18.4% |
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| Marriage & Family | | | |
| | Chetek, WI | Barron, WI | United States |
| Married Population | 48.8% | 45.0% | 49.8% |
| Currently Married | 48.6% | 40.7% | 48.0% |
| Married but Separated | 0.2% | 4.3% | 1.8% |
| Single Population | 51.2% | 55.0% | 50.2% |
| Never Married | 26.3% | 31.1% | 33.8% |
| Divorced | 13.4% | 17.3% | 10.8% |
| Widowed | 11.4% | 6.7% | 5.6% |
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| Household Size | 2.46 | 2.54 | 2.60 |
| Households | 899 | 1,359 | 124,010,992 |
| Family Households | 555 | 964 | 80,755,759 |
| Married couple, w/children | 30.5% | 15.4% | 30.5% |
| Married couple, no children | 50.3% | 35.0% | 42.9% |
| Non Family Households | 344 | 395 | 43,255,233 |
| Single householder, w/children | 13.2% | 32.5% | 15.8% |
| Single householder, no children | 6.1% | 17.2% | 10.8% |