| | Greendale, WI | Cohutta, GA | United States |
| Population | 14,735 | 692 | 329,725,481 |
| Female Population | 51.5% | 49.9% | 50.5% |
| Male Population | 48.5% | 50.2% | 49.5% |
| Median Age | 40.9 | 37.2 | 38.4 |
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| Population - 2010 | 14,051 | 640 | 309,327,143 |
| Population - 2000 | 14,405 | 582 | 285,036,114 |
| Population - 1990 | 15,128 | 529 | 251,960,433 |
| Pop. 2000 to Now | -1.9% | 10.7% | 15.6% |
| Pop. 1990 to Now | -6.6% | 21.7% | 30.8% |
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| Population Density | 2,647.8 | 148.0 | 93.4 |
| Land Area | 5.6 | 4.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Greendale, WI | Cohutta, GA | United States |
| Age 0 to 4 | 5.5% | 4.8% | 5.9% |
| Age 5 to 9 | 5.9% | 14.3% | 6.1% |
| Age 10 to 14 | 9.2% | 5.5% | 6.6% |
| Age 15 to 17 | 4.5% | 2.7% | 3.9% |
| Age 18 to 20 | 2.8% | 1.0% | 4.0% |
| Age 21 to 24 | 1.5% | 4.0% | 5.2% |
| Age 25 to 34 | 11.4% | 13.7% | 13.8% |
| Age 35 to 44 | 15.3% | 10.3% | 12.9% |
| Age 45 to 54 | 12.6% | 21.0% | 12.6% |
| Age 55 to 59 | 5.9% | 3.0% | 6.7% |
| Age 60 to 64 | 5.3% | 3.3% | 6.3% |
| Age 65 to 74 | 9.3% | 11.9% | 9.6% |
| Age 75 to 84 | 7.5% | 4.0% | 4.5% |
| Age 85 and over | 3.1% | 0.4% | 1.9% |
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| Race | | | |
| | Greendale, WI | Cohutta, GA | United States |
| White | 81.4% | 79.8% | 59.4% |
| Black | 1.3% | 1.4% | 12.2% |
| Asian | 6.8% | 1.6% | 5.6% |
| Native American | 0.4% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 1.9% | 4.2% | 0.4% |
| Two or More Races | 1.9% | 1.7% | 3.2% |
| Hispanic | 6.2% | 11.3% | 18.4% |
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| Marriage & Family | | | |
| | Greendale, WI | Cohutta, GA | United States |
| Married Population | 55.4% | 65.3% | 49.8% |
| Currently Married | 54.7% | 62.1% | 48.0% |
| Married but Separated | 0.6% | 3.3% | 1.8% |
| Single Population | 44.7% | 34.7% | 50.2% |
| Never Married | 28.0% | 20.3% | 33.8% |
| Divorced | 8.7% | 7.3% | 10.8% |
| Widowed | 8.0% | 7.1% | 5.6% |
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| Household Size | 2.37 | 3.04 | 2.60 |
| Households | 6,169 | 228 | 124,010,992 |
| Family Households | 3,920 | 179 | 80,755,759 |
| Married couple, w/children | 31.4% | 43.0% | 30.5% |
| Married couple, no children | 48.3% | 35.2% | 42.9% |
| Non Family Households | 2,249 | 49 | 43,255,233 |
| Single householder, w/children | 13.9% | 8.9% | 15.8% |
| Single householder, no children | 6.4% | 12.8% | 10.8% |