| | Evanston, IL | Wells Branch, TX | United States |
| Population | 78,454 | 13,837 | 329,725,481 |
| Female Population | 51.3% | 48.1% | 50.5% |
| Male Population | 48.7% | 51.9% | 49.5% |
| Median Age | 36.6 | 35.3 | 38.4 |
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| Population - 2010 | 74,585 | 11,545 | 309,327,143 |
| Population - 2000 | 74,239 | 11,271 | 285,036,114 |
| Population - 1990 | 73,233 | 7,094 | 251,960,433 |
| Pop. 2000 to Now | -2.1% | 21.6% | 15.6% |
| Pop. 1990 to Now | -0.8% | 93.1% | 30.8% |
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| Population Density | 10,085.4 | 5,694.2 | 93.4 |
| Land Area | 7.8 | 2.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Evanston, IL | Wells Branch, TX | United States |
| Age 0 to 4 | 5.1% | 7.8% | 5.9% |
| Age 5 to 9 | 5.4% | 3.7% | 6.1% |
| Age 10 to 14 | 5.5% | 4.8% | 6.6% |
| Age 15 to 17 | 3.2% | 1.6% | 3.9% |
| Age 18 to 20 | 9.1% | 2.0% | 4.0% |
| Age 21 to 24 | 6.9% | 4.9% | 5.2% |
| Age 25 to 34 | 12.8% | 24.0% | 13.8% |
| Age 35 to 44 | 12.0% | 20.6% | 12.9% |
| Age 45 to 54 | 11.9% | 13.4% | 12.6% |
| Age 55 to 59 | 5.5% | 4.4% | 6.7% |
| Age 60 to 64 | 6.1% | 2.9% | 6.3% |
| Age 65 to 74 | 10.2% | 6.8% | 9.6% |
| Age 75 to 84 | 4.1% | 1.8% | 4.5% |
| Age 85 and over | 2.2% | 1.1% | 1.9% |
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| Race | | | |
| | Evanston, IL | Wells Branch, TX | United States |
| White | 58.5% | 37.2% | 59.4% |
| Black | 15.8% | 18.0% | 12.2% |
| Asian | 9.0% | 8.0% | 5.6% |
| Native American | 0.0% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.6% | 0.1% | 0.4% |
| Two or More Races | 4.4% | 3.8% | 3.2% |
| Hispanic | 11.8% | 32.7% | 18.4% |
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| Marriage & Family | | | |
| | Evanston, IL | Wells Branch, TX | United States |
| Married Population | 43.0% | 47.0% | 49.8% |
| Currently Married | 42.1% | 42.4% | 48.0% |
| Married but Separated | 0.9% | 4.6% | 1.8% |
| Single Population | 57.0% | 53.0% | 50.2% |
| Never Married | 43.6% | 37.2% | 33.8% |
| Divorced | 9.4% | 13.0% | 10.8% |
| Widowed | 4.0% | 2.7% | 5.6% |
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| Household Size | 2.35 | 1.94 | 2.60 |
| Households | 30,256 | 7,118 | 124,010,992 |
| Family Households | 16,214 | 3,304 | 80,755,759 |
| Married couple, w/children | 34.1% | 32.3% | 30.5% |
| Married couple, no children | 44.4% | 37.0% | 42.9% |
| Non Family Households | 14,042 | 3,814 | 43,255,233 |
| Single householder, w/children | 12.9% | 19.6% | 15.8% |
| Single householder, no children | 8.6% | 11.1% | 10.8% |