| | McDonough, GA | Middleton, WI | United States |
| Population | 28,574 | 21,634 | 329,725,481 |
| Female Population | 50.6% | 51.5% | 50.5% |
| Male Population | 49.4% | 48.5% | 49.5% |
| Median Age | 31.1 | 38.2 | 38.4 |
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| Population - 2010 | 21,950 | 17,625 | 309,327,143 |
| Population - 2000 | 8,493 | 15,770 | 285,036,114 |
| Population - 1990 | 2,929 | 13,289 | 251,960,433 |
| Pop. 2000 to Now | 224.8% | 28.1% | 15.6% |
| Pop. 1990 to Now | 841.7% | 52.0% | 30.8% |
| space4 | | | |
| Population Density | 2,261.3 | 2,423.4 | 93.4 |
| Land Area | 12.6 | 8.9 | 3,531,905.4 |
| Water Area | 0.2 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | McDonough, GA | Middleton, WI | United States |
| Age 0 to 4 | 7.1% | 5.2% | 5.9% |
| Age 5 to 9 | 5.7% | 4.8% | 6.1% |
| Age 10 to 14 | 8.8% | 6.7% | 6.6% |
| Age 15 to 17 | 5.4% | 4.1% | 3.9% |
| Age 18 to 20 | 4.3% | 2.1% | 4.0% |
| Age 21 to 24 | 9.1% | 3.8% | 5.2% |
| Age 25 to 34 | 13.7% | 17.9% | 13.8% |
| Age 35 to 44 | 13.4% | 14.0% | 12.9% |
| Age 45 to 54 | 15.6% | 13.7% | 12.6% |
| Age 55 to 59 | 5.7% | 6.9% | 6.7% |
| Age 60 to 64 | 4.0% | 5.1% | 6.3% |
| Age 65 to 74 | 3.5% | 9.2% | 9.6% |
| Age 75 to 84 | 2.4% | 5.0% | 4.5% |
| Age 85 and over | 1.2% | 1.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | McDonough, GA | Middleton, WI | United States |
| White | 14.3% | 79.4% | 59.4% |
| Black | 68.0% | 3.5% | 12.2% |
| Asian | 1.8% | 6.5% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 1.4% | 0.4% |
| Two or More Races | 5.6% | 3.3% | 3.2% |
| Hispanic | 10.2% | 5.7% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | McDonough, GA | Middleton, WI | United States |
| Married Population | 41.6% | 54.0% | 49.8% |
| Currently Married | 39.0% | 52.3% | 48.0% |
| Married but Separated | 2.7% | 1.7% | 1.8% |
| Single Population | 58.4% | 46.0% | 50.2% |
| Never Married | 42.8% | 31.9% | 33.8% |
| Divorced | 11.6% | 10.9% | 10.8% |
| Widowed | 3.9% | 3.3% | 5.6% |
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| Household Size | 3.05 | 2.14 | 2.60 |
| Households | 9,055 | 10,052 | 124,010,992 |
| Family Households | 6,501 | 5,709 | 80,755,759 |
| Married couple, w/children | 31.9% | 30.8% | 30.5% |
| Married couple, no children | 28.9% | 46.7% | 42.9% |
| Non Family Households | 2,554 | 4,343 | 43,255,233 |
| Single householder, w/children | 26.3% | 17.4% | 15.8% |
| Single householder, no children | 12.9% | 5.0% | 10.8% |