| | McFarland, WI | Oregon, WI | United States |
| Population | 9,026 | 11,100 | 329,725,481 |
| Female Population | 56.8% | 47.7% | 50.5% |
| Male Population | 43.2% | 52.3% | 49.5% |
| Median Age | 37.9 | 39.8 | 38.4 |
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| Population - 2010 | 7,949 | 9,339 | 309,327,143 |
| Population - 2000 | 6,416 | 7,514 | 285,036,114 |
| Population - 1990 | 5,232 | 4,519 | 251,960,433 |
| Pop. 2000 to Now | 44.8% | 42.8% | 15.6% |
| Pop. 1990 to Now | 77.6% | 137.5% | 30.8% |
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| Population Density | 2,158.3 | 2,554.1 | 93.4 |
| Land Area | 4.2 | 4.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | McFarland, WI | Oregon, WI | United States |
| Age 0 to 4 | 5.8% | 7.0% | 5.9% |
| Age 5 to 9 | 5.8% | 6.5% | 6.1% |
| Age 10 to 14 | 6.3% | 8.6% | 6.6% |
| Age 15 to 17 | 6.1% | 4.5% | 3.9% |
| Age 18 to 20 | 5.1% | 2.1% | 4.0% |
| Age 21 to 24 | 4.0% | 2.7% | 5.2% |
| Age 25 to 34 | 11.0% | 11.7% | 13.8% |
| Age 35 to 44 | 14.6% | 15.4% | 12.9% |
| Age 45 to 54 | 13.6% | 13.5% | 12.6% |
| Age 55 to 59 | 6.9% | 8.8% | 6.7% |
| Age 60 to 64 | 6.8% | 8.2% | 6.3% |
| Age 65 to 74 | 7.3% | 8.0% | 9.6% |
| Age 75 to 84 | 4.3% | 2.4% | 4.5% |
| Age 85 and over | 2.3% | 0.5% | 1.9% |
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| Race | | | |
| | McFarland, WI | Oregon, WI | United States |
| White | 92.3% | 90.4% | 59.4% |
| Black | 1.2% | 3.0% | 12.2% |
| Asian | 1.7% | 0.4% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.8% | 4.4% | 3.2% |
| Hispanic | 1.8% | 1.8% | 18.4% |
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| Marriage & Family | | | |
| | McFarland, WI | Oregon, WI | United States |
| Married Population | 51.7% | 56.8% | 49.8% |
| Currently Married | 50.8% | 56.6% | 48.0% |
| Married but Separated | 0.9% | 0.2% | 1.8% |
| Single Population | 48.3% | 43.2% | 50.2% |
| Never Married | 31.4% | 27.6% | 33.8% |
| Divorced | 14.1% | 13.1% | 10.8% |
| Widowed | 2.8% | 2.5% | 5.6% |
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| Household Size | 2.50 | 2.41 | 2.60 |
| Households | 3,611 | 4,593 | 124,010,992 |
| Family Households | 2,651 | 3,144 | 80,755,759 |
| Married couple, w/children | 29.7% | 34.2% | 30.5% |
| Married couple, no children | 38.4% | 39.0% | 42.9% |
| Non Family Households | 960 | 1,449 | 43,255,233 |
| Single householder, w/children | 21.4% | 22.3% | 15.8% |
| Single householder, no children | 10.6% | 4.5% | 10.8% |