| | McGregor, TX | Burlington, WI | United States |
| Population | 5,345 | 10,971 | 329,725,481 |
| Female Population | 48.0% | 50.1% | 50.5% |
| Male Population | 52.1% | 49.9% | 49.5% |
| Median Age | 33.7 | 39 | 38.4 |
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| Population - 2010 | 5,007 | 10,502 | 309,327,143 |
| Population - 2000 | 4,727 | 9,936 | 285,036,114 |
| Population - 1990 | 4,683 | 8,855 | 251,960,433 |
| Pop. 2000 to Now | 14.5% | 9.7% | 15.6% |
| Pop. 1990 to Now | 15.6% | 23.1% | 30.8% |
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| Population Density | 245.3 | 1,439.4 | 93.4 |
| Land Area | 21.8 | 7.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | McGregor, TX | Burlington, WI | United States |
| Age 0 to 4 | 5.9% | 5.3% | 5.9% |
| Age 5 to 9 | 8.8% | 6.5% | 6.1% |
| Age 10 to 14 | 9.4% | 5.6% | 6.6% |
| Age 15 to 17 | 5.2% | 3.5% | 3.9% |
| Age 18 to 20 | 3.7% | 2.6% | 4.0% |
| Age 21 to 24 | 1.6% | 7.1% | 5.2% |
| Age 25 to 34 | 16.7% | 12.9% | 13.8% |
| Age 35 to 44 | 12.7% | 14.2% | 12.9% |
| Age 45 to 54 | 9.5% | 13.0% | 12.6% |
| Age 55 to 59 | 3.3% | 5.7% | 6.7% |
| Age 60 to 64 | 7.4% | 7.0% | 6.3% |
| Age 65 to 74 | 8.8% | 7.7% | 9.6% |
| Age 75 to 84 | 4.6% | 2.8% | 4.5% |
| Age 85 and over | 2.2% | 6.1% | 1.9% |
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| Race | | | |
| | McGregor, TX | Burlington, WI | United States |
| White | 43.4% | 81.9% | 59.4% |
| Black | 4.5% | 0.8% | 12.2% |
| Asian | 0.0% | 3.3% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.2% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 3.5% | 1.4% | 3.2% |
| Hispanic | 48.4% | 12.3% | 18.4% |
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| Marriage & Family | | | |
| | McGregor, TX | Burlington, WI | United States |
| Married Population | 45.9% | 49.0% | 49.8% |
| Currently Married | 40.8% | 47.4% | 48.0% |
| Married but Separated | 5.1% | 1.5% | 1.8% |
| Single Population | 54.1% | 51.0% | 50.2% |
| Never Married | 31.8% | 30.6% | 33.8% |
| Divorced | 16.9% | 14.4% | 10.8% |
| Widowed | 5.4% | 5.9% | 5.6% |
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| Household Size | 3.18 | 2.25 | 2.60 |
| Households | 1,645 | 4,803 | 124,010,992 |
| Family Households | 1,093 | 3,004 | 80,755,759 |
| Married couple, w/children | 31.3% | 26.3% | 30.5% |
| Married couple, no children | 32.6% | 41.5% | 42.9% |
| Non Family Households | 552 | 1,799 | 43,255,233 |
| Single householder, w/children | 26.9% | 19.4% | 15.8% |
| Single householder, no children | 9.2% | 12.9% | 10.8% |