| | Salina, KS | Midland, TX | United States |
| Population | 46,896 | 130,765 | 329,725,481 |
| Female Population | 50.3% | 48.4% | 50.5% |
| Male Population | 49.7% | 51.6% | 49.5% |
| Median Age | 38.6 | 31.3 | 38.4 |
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| Population - 2010 | 47,927 | 111,272 | 309,327,143 |
| Population - 2000 | 45,679 | 94,996 | 285,036,114 |
| Population - 1990 | 42,303 | 89,443 | 251,960,433 |
| Pop. 2000 to Now | 1.3% | 54.8% | 15.6% |
| Pop. 1990 to Now | 9.4% | 64.4% | 30.8% |
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| Population Density | 1,822.1 | 1,758.2 | 93.4 |
| Land Area | 25.7 | 74.4 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Salina, KS | Midland, TX | United States |
| Age 0 to 4 | 6.0% | 8.8% | 5.9% |
| Age 5 to 9 | 6.6% | 8.4% | 6.1% |
| Age 10 to 14 | 6.9% | 7.1% | 6.6% |
| Age 15 to 17 | 3.9% | 3.8% | 3.9% |
| Age 18 to 20 | 5.0% | 3.5% | 4.0% |
| Age 21 to 24 | 4.6% | 5.6% | 5.2% |
| Age 25 to 34 | 12.5% | 18.7% | 13.8% |
| Age 35 to 44 | 12.2% | 14.0% | 12.9% |
| Age 45 to 54 | 12.0% | 10.5% | 12.6% |
| Age 55 to 59 | 6.7% | 4.9% | 6.7% |
| Age 60 to 64 | 6.6% | 4.8% | 6.3% |
| Age 65 to 74 | 9.4% | 5.5% | 9.6% |
| Age 75 to 84 | 4.8% | 2.9% | 4.5% |
| Age 85 and over | 3.0% | 1.5% | 1.9% |
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| Race | | | |
| | Salina, KS | Midland, TX | United States |
| White | 78.2% | 41.7% | 59.4% |
| Black | 3.2% | 7.2% | 12.2% |
| Asian | 2.2% | 2.0% | 5.6% |
| Native American | 0.2% | 0.3% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 3.8% | 2.0% | 3.2% |
| Hispanic | 12.4% | 46.5% | 18.4% |
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| Marriage & Family | | | |
| | Salina, KS | Midland, TX | United States |
| Married Population | 48.9% | 57.0% | 49.8% |
| Currently Married | 46.8% | 55.1% | 48.0% |
| Married but Separated | 2.1% | 1.9% | 1.8% |
| Single Population | 51.1% | 43.0% | 50.2% |
| Never Married | 30.5% | 28.6% | 33.8% |
| Divorced | 14.8% | 9.9% | 10.8% |
| Widowed | 5.7% | 4.5% | 5.6% |
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| Household Size | 2.37 | 2.57 | 2.60 |
| Households | 19,174 | 50,371 | 124,010,992 |
| Family Households | 10,926 | 34,336 | 80,755,759 |
| Married couple, w/children | 28.0% | 39.9% | 30.5% |
| Married couple, no children | 45.9% | 34.7% | 42.9% |
| Non Family Households | 8,248 | 16,035 | 43,255,233 |
| Single householder, w/children | 18.9% | 18.3% | 15.8% |
| Single householder, no children | 7.2% | 7.0% | 10.8% |