| | McKinney, TX | Lawrence, KS | United States |
| Population | 189,394 | 94,745 | 329,725,481 |
| Female Population | 50.7% | 50.5% | 50.5% |
| Male Population | 49.3% | 49.5% | 49.5% |
| Median Age | 36.9 | 28.6 | 38.4 |
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| Population - 2010 | 132,940 | 88,263 | 309,327,143 |
| Population - 2000 | 54,369 | 80,098 | 285,036,114 |
| Population - 1990 | 21,283 | 65,608 | 251,960,433 |
| Pop. 2000 to Now | 283.1% | 22.9% | 15.6% |
| Pop. 1990 to Now | 878.6% | 50.1% | 30.8% |
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| Population Density | 2,829.6 | 2,775.5 | 93.4 |
| Land Area | 66.9 | 34.1 | 3,531,905.4 |
| Water Area | 0.7 | 0.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | McKinney, TX | Lawrence, KS | United States |
| Age 0 to 4 | 6.7% | 4.7% | 5.9% |
| Age 5 to 9 | 8.6% | 5.5% | 6.1% |
| Age 10 to 14 | 8.7% | 4.3% | 6.6% |
| Age 15 to 17 | 4.7% | 2.4% | 3.9% |
| Age 18 to 20 | 3.6% | 11.6% | 4.0% |
| Age 21 to 24 | 3.9% | 14.7% | 5.2% |
| Age 25 to 34 | 11.1% | 15.9% | 13.8% |
| Age 35 to 44 | 18.0% | 12.0% | 12.9% |
| Age 45 to 54 | 14.6% | 9.2% | 12.6% |
| Age 55 to 59 | 5.8% | 4.4% | 6.7% |
| Age 60 to 64 | 4.3% | 3.7% | 6.3% |
| Age 65 to 74 | 5.9% | 7.0% | 9.6% |
| Age 75 to 84 | 3.0% | 3.4% | 4.5% |
| Age 85 and over | 1.1% | 1.1% | 1.9% |
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| Race | | | |
| | McKinney, TX | Lawrence, KS | United States |
| White | 56.8% | 74.6% | 59.4% |
| Black | 11.8% | 4.7% | 12.2% |
| Asian | 10.7% | 6.2% | 5.6% |
| Native American | 0.3% | 1.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.3% | 0.4% | 0.4% |
| Two or More Races | 3.2% | 5.4% | 3.2% |
| Hispanic | 16.9% | 6.9% | 18.4% |
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| Marriage & Family | | | |
| | McKinney, TX | Lawrence, KS | United States |
| Married Population | 61.4% | 39.0% | 49.8% |
| Currently Married | 60.1% | 38.6% | 48.0% |
| Married but Separated | 1.3% | 0.5% | 1.8% |
| Single Population | 38.6% | 61.0% | 50.2% |
| Never Married | 25.9% | 49.7% | 33.8% |
| Divorced | 9.1% | 8.3% | 10.8% |
| Widowed | 3.6% | 3.0% | 5.6% |
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| Household Size | 2.86 | 2.16 | 2.60 |
| Households | 65,770 | 40,424 | 124,010,992 |
| Family Households | 50,446 | 19,238 | 80,755,759 |
| Married couple, w/children | 45.7% | 31.4% | 30.5% |
| Married couple, no children | 35.7% | 47.8% | 42.9% |
| Non Family Households | 15,324 | 21,186 | 43,255,233 |
| Single householder, w/children | 12.3% | 13.4% | 15.8% |
| Single householder, no children | 6.2% | 7.5% | 10.8% |