| | Anoka, MN | Thornton, CO | United States |
| Population | 17,749 | 140,538 | 329,725,481 |
| Female Population | 52.0% | 49.6% | 50.5% |
| Male Population | 48.0% | 50.4% | 49.5% |
| Median Age | 37.5 | 33.7 | 38.4 |
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| Population - 2010 | 17,161 | 119,544 | 309,327,143 |
| Population - 2000 | 18,076 | 82,384 | 285,036,114 |
| Population - 1990 | 17,192 | 55,031 | 251,960,433 |
| Pop. 2000 to Now | -3.1% | 79.8% | 15.6% |
| Pop. 1990 to Now | 1.9% | 169.1% | 30.8% |
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| Population Density | 2,664.6 | 3,980.6 | 93.4 |
| Land Area | 6.7 | 35.3 | 3,531,905.4 |
| Water Area | 0.5 | 2.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Anoka, MN | Thornton, CO | United States |
| Age 0 to 4 | 6.0% | 6.9% | 5.9% |
| Age 5 to 9 | 4.5% | 7.2% | 6.1% |
| Age 10 to 14 | 7.4% | 8.9% | 6.6% |
| Age 15 to 17 | 4.0% | 4.4% | 3.9% |
| Age 18 to 20 | 3.0% | 3.3% | 4.0% |
| Age 21 to 24 | 4.8% | 5.5% | 5.2% |
| Age 25 to 34 | 16.7% | 16.0% | 13.8% |
| Age 35 to 44 | 11.6% | 15.2% | 12.9% |
| Age 45 to 54 | 10.7% | 12.9% | 12.6% |
| Age 55 to 59 | 7.3% | 5.9% | 6.7% |
| Age 60 to 64 | 6.8% | 4.1% | 6.3% |
| Age 65 to 74 | 9.3% | 6.4% | 9.6% |
| Age 75 to 84 | 4.9% | 2.6% | 4.5% |
| Age 85 and over | 3.0% | 0.7% | 1.9% |
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| Race | | | |
| | Anoka, MN | Thornton, CO | United States |
| White | 80.1% | 52.7% | 59.4% |
| Black | 8.0% | 1.8% | 12.2% |
| Asian | 2.6% | 5.1% | 5.6% |
| Native American | 0.5% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.1% | 0.3% | 0.4% |
| Two or More Races | 2.9% | 3.3% | 3.2% |
| Hispanic | 5.8% | 36.7% | 18.4% |
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| Marriage & Family | | | |
| | Anoka, MN | Thornton, CO | United States |
| Married Population | 49.4% | 53.7% | 49.8% |
| Currently Married | 47.7% | 52.4% | 48.0% |
| Married but Separated | 1.7% | 1.3% | 1.8% |
| Single Population | 50.6% | 46.3% | 50.2% |
| Never Married | 31.8% | 32.6% | 33.8% |
| Divorced | 12.2% | 10.5% | 10.8% |
| Widowed | 6.6% | 3.2% | 5.6% |
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| Household Size | 2.37 | 2.94 | 2.60 |
| Households | 7,126 | 47,599 | 124,010,992 |
| Family Households | 4,327 | 34,015 | 80,755,759 |
| Married couple, w/children | 31.6% | 40.7% | 30.5% |
| Married couple, no children | 41.1% | 35.8% | 42.9% |
| Non Family Households | 2,799 | 13,584 | 43,255,233 |
| Single householder, w/children | 20.0% | 15.7% | 15.8% |
| Single householder, no children | 7.3% | 7.8% | 10.8% |