| | Lenexa, KS | Tucson, AZ | United States |
| Population | 56,755 | 538,167 | 329,725,481 |
| Female Population | 49.9% | 50.3% | 50.5% |
| Male Population | 50.2% | 49.7% | 49.5% |
| Median Age | 38.3 | 34.2 | 38.4 |
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| Population - 2010 | 48,293 | 527,048 | 309,327,143 |
| Population - 2000 | 40,238 | 486,699 | 285,036,114 |
| Population - 1990 | 34,034 | 405,390 | 251,960,433 |
| Pop. 2000 to Now | 39.6% | 13.7% | 15.6% |
| Pop. 1990 to Now | 65.0% | 36.6% | 30.8% |
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| Population Density | 1,665.9 | 2,261.1 | 93.4 |
| Land Area | 34.1 | 238.0 | 3,531,905.4 |
| Water Area | 0.3 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Lenexa, KS | Tucson, AZ | United States |
| Age 0 to 4 | 6.4% | 5.6% | 5.9% |
| Age 5 to 9 | 5.9% | 5.9% | 6.1% |
| Age 10 to 14 | 5.9% | 5.7% | 6.6% |
| Age 15 to 17 | 3.5% | 3.5% | 3.9% |
| Age 18 to 20 | 2.7% | 6.3% | 4.0% |
| Age 21 to 24 | 5.8% | 8.7% | 5.2% |
| Age 25 to 34 | 14.5% | 15.4% | 13.8% |
| Age 35 to 44 | 14.6% | 12.2% | 12.9% |
| Age 45 to 54 | 12.8% | 10.7% | 12.6% |
| Age 55 to 59 | 5.6% | 5.7% | 6.7% |
| Age 60 to 64 | 7.2% | 5.5% | 6.3% |
| Age 65 to 74 | 9.6% | 8.5% | 9.6% |
| Age 75 to 84 | 3.7% | 4.4% | 4.5% |
| Age 85 and over | 1.7% | 1.9% | 1.9% |
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| Race | | | |
| | Lenexa, KS | Tucson, AZ | United States |
| White | 78.2% | 42.6% | 59.4% |
| Black | 6.1% | 4.4% | 12.2% |
| Asian | 4.3% | 3.0% | 5.6% |
| Native American | 0.3% | 1.7% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.2% | 0.2% |
| Other | 0.2% | 0.2% | 0.4% |
| Two or More Races | 2.7% | 3.4% | 3.2% |
| Hispanic | 8.3% | 44.6% | 18.4% |
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| Marriage & Family | | | |
| | Lenexa, KS | Tucson, AZ | United States |
| Married Population | 58.0% | 38.9% | 49.8% |
| Currently Married | 56.6% | 36.7% | 48.0% |
| Married but Separated | 1.4% | 2.2% | 1.8% |
| Single Population | 42.0% | 61.1% | 50.2% |
| Never Married | 28.2% | 42.0% | 33.8% |
| Divorced | 9.2% | 13.9% | 10.8% |
| Widowed | 4.6% | 5.2% | 5.6% |
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| Household Size | 2.38 | 2.35 | 2.60 |
| Households | 23,657 | 218,790 | 124,010,992 |
| Family Households | 15,414 | 119,694 | 80,755,759 |
| Married couple, w/children | 33.8% | 26.9% | 30.5% |
| Married couple, no children | 49.5% | 35.2% | 42.9% |
| Non Family Households | 8,243 | 99,096 | 43,255,233 |
| Single householder, w/children | 9.7% | 23.7% | 15.8% |
| Single householder, no children | 7.0% | 14.1% | 10.8% |