| | Alamosa, CO | Lawrence, KS | United States |
| Population | 9,704 | 94,745 | 329,725,481 |
| Female Population | 50.1% | 50.5% | 50.5% |
| Male Population | 49.9% | 49.5% | 49.5% |
| Median Age | 28.7 | 28.6 | 38.4 |
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| Population - 2010 | 8,907 | 88,263 | 309,327,143 |
| Population - 2000 | 7,960 | 80,098 | 285,036,114 |
| Population - 1990 | 7,579 | 65,608 | 251,960,433 |
| Pop. 2000 to Now | 17.7% | 22.9% | 15.6% |
| Pop. 1990 to Now | 23.6% | 50.1% | 30.8% |
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| Population Density | 1,304.0 | 2,775.5 | 93.4 |
| Land Area | 7.4 | 34.1 | 3,531,905.4 |
| Water Area | 0.1 | 0.8 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Alamosa, CO | Lawrence, KS | United States |
| Age 0 to 4 | 6.5% | 4.7% | 5.9% |
| Age 5 to 9 | 5.1% | 5.5% | 6.1% |
| Age 10 to 14 | 8.8% | 4.3% | 6.6% |
| Age 15 to 17 | 3.9% | 2.4% | 3.9% |
| Age 18 to 20 | 10.8% | 11.6% | 4.0% |
| Age 21 to 24 | 9.7% | 14.7% | 5.2% |
| Age 25 to 34 | 14.5% | 15.9% | 13.8% |
| Age 35 to 44 | 13.1% | 12.0% | 12.9% |
| Age 45 to 54 | 7.5% | 9.2% | 12.6% |
| Age 55 to 59 | 4.8% | 4.4% | 6.7% |
| Age 60 to 64 | 5.3% | 3.7% | 6.3% |
| Age 65 to 74 | 6.4% | 7.0% | 9.6% |
| Age 75 to 84 | 2.2% | 3.4% | 4.5% |
| Age 85 and over | 1.2% | 1.1% | 1.9% |
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| Race | | | |
| | Alamosa, CO | Lawrence, KS | United States |
| White | 37.2% | 74.6% | 59.4% |
| Black | 0.8% | 4.7% | 12.2% |
| Asian | 1.6% | 6.2% | 5.6% |
| Native American | 0.4% | 1.8% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.6% | 0.4% | 0.4% |
| Two or More Races | 3.1% | 5.4% | 3.2% |
| Hispanic | 56.3% | 6.9% | 18.4% |
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| Marriage & Family | | | |
| | Alamosa, CO | Lawrence, KS | United States |
| Married Population | 36.2% | 39.0% | 49.8% |
| Currently Married | 35.1% | 38.6% | 48.0% |
| Married but Separated | 1.1% | 0.5% | 1.8% |
| Single Population | 63.8% | 61.0% | 50.2% |
| Never Married | 46.2% | 49.7% | 33.8% |
| Divorced | 13.5% | 8.3% | 10.8% |
| Widowed | 4.0% | 3.0% | 5.6% |
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| Household Size | 2.24 | 2.16 | 2.60 |
| Households | 3,956 | 40,424 | 124,010,992 |
| Family Households | 2,009 | 19,238 | 80,755,759 |
| Married couple, w/children | 35.2% | 31.4% | 30.5% |
| Married couple, no children | 31.9% | 47.8% | 42.9% |
| Non Family Households | 1,947 | 21,186 | 43,255,233 |
| Single householder, w/children | 20.5% | 13.4% | 15.8% |
| Single householder, no children | 12.4% | 7.5% | 10.8% |