| | Zimmerman, MN | Athens, TX | United States |
| Population | 6,108 | 12,719 | 329,725,481 |
| Female Population | 56.4% | 53.2% | 50.5% |
| Male Population | 43.6% | 46.8% | 49.5% |
| Median Age | 32 | 37.9 | 38.4 |
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| Population - 2010 | 5,250 | 12,689 | 309,327,143 |
| Population - 2000 | 2,851 | 11,297 | 285,036,114 |
| Population - 1990 | 1,350 | 10,967 | 251,960,433 |
| Pop. 2000 to Now | 115.2% | 13.0% | 15.6% |
| Pop. 1990 to Now | 354.4% | 16.4% | 30.8% |
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| Population Density | 1,759.2 | 713.2 | 93.4 |
| Land Area | 3.5 | 17.8 | 3,531,905.4 |
| Water Area | 0.2 | 2.4 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Zimmerman, MN | Athens, TX | United States |
| Age 0 to 4 | 6.9% | 6.8% | 5.9% |
| Age 5 to 9 | 13.5% | 7.2% | 6.1% |
| Age 10 to 14 | 6.9% | 5.5% | 6.6% |
| Age 15 to 17 | 5.2% | 4.8% | 3.9% |
| Age 18 to 20 | 2.8% | 5.2% | 4.0% |
| Age 21 to 24 | 3.4% | 7.6% | 5.2% |
| Age 25 to 34 | 21.7% | 10.4% | 13.8% |
| Age 35 to 44 | 12.1% | 13.7% | 12.9% |
| Age 45 to 54 | 12.1% | 8.4% | 12.6% |
| Age 55 to 59 | 6.4% | 5.7% | 6.7% |
| Age 60 to 64 | 2.0% | 3.8% | 6.3% |
| Age 65 to 74 | 5.3% | 11.6% | 9.6% |
| Age 75 to 84 | 1.0% | 5.5% | 4.5% |
| Age 85 and over | 0.6% | 3.9% | 1.9% |
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| Race | | | |
| | Zimmerman, MN | Athens, TX | United States |
| White | 78.7% | 44.8% | 59.4% |
| Black | 0.8% | 18.6% | 12.2% |
| Asian | 3.5% | 2.2% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.7% | 0.0% | 0.4% |
| Two or More Races | 8.7% | 1.9% | 3.2% |
| Hispanic | 7.7% | 32.4% | 18.4% |
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| Marriage & Family | | | |
| | Zimmerman, MN | Athens, TX | United States |
| Married Population | 47.7% | 46.2% | 49.8% |
| Currently Married | 47.7% | 43.0% | 48.0% |
| Married but Separated | 0.0% | 3.2% | 1.8% |
| Single Population | 52.3% | 53.8% | 50.2% |
| Never Married | 29.7% | 34.7% | 33.8% |
| Divorced | 19.6% | 10.9% | 10.8% |
| Widowed | 3.0% | 8.2% | 5.6% |
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| Household Size | 3.07 | 2.74 | 2.60 |
| Households | 1,988 | 4,276 | 124,010,992 |
| Family Households | 1,378 | 2,722 | 80,755,759 |
| Married couple, w/children | 41.2% | 33.9% | 30.5% |
| Married couple, no children | 28.7% | 37.3% | 42.9% |
| Non Family Households | 610 | 1,554 | 43,255,233 |
| Single householder, w/children | 17.1% | 19.1% | 15.8% |
| Single householder, no children | 13.0% | 9.7% | 10.8% |