| | Westwood, KS | Independence, KY | United States |
| Population | 1,834 | 28,256 | 329,725,481 |
| Female Population | 53.9% | 49.1% | 50.5% |
| Male Population | 46.1% | 50.9% | 49.5% |
| Median Age | 36.6 | 34 | 38.4 |
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| Population - 2010 | 1,508 | 24,885 | 309,327,143 |
| Population - 2000 | 1,533 | 14,982 | 285,036,114 |
| Population - 1990 | 1,772 | 10,444 | 251,960,433 |
| Pop. 2000 to Now | 7.1% | 92.9% | 15.6% |
| Pop. 1990 to Now | -7.3% | 176.7% | 30.8% |
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| Population Density | 4,462.3 | 1,609.3 | 93.4 |
| Land Area | 0.4 | 17.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Westwood, KS | Independence, KY | United States |
| Age 0 to 4 | 6.0% | 7.4% | 5.9% |
| Age 5 to 9 | 7.4% | 7.2% | 6.1% |
| Age 10 to 14 | 5.2% | 8.8% | 6.6% |
| Age 15 to 17 | 3.5% | 4.2% | 3.9% |
| Age 18 to 20 | 1.4% | 3.2% | 4.0% |
| Age 21 to 24 | 7.6% | 4.5% | 5.2% |
| Age 25 to 34 | 14.1% | 16.3% | 13.8% |
| Age 35 to 44 | 14.2% | 14.9% | 12.9% |
| Age 45 to 54 | 10.7% | 14.3% | 12.6% |
| Age 55 to 59 | 4.7% | 5.7% | 6.7% |
| Age 60 to 64 | 5.9% | 3.8% | 6.3% |
| Age 65 to 74 | 9.7% | 6.7% | 9.6% |
| Age 75 to 84 | 3.6% | 2.5% | 4.5% |
| Age 85 and over | 6.0% | 0.3% | 1.9% |
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| Race | | | |
| | Westwood, KS | Independence, KY | United States |
| White | 79.6% | 92.7% | 59.4% |
| Black | 0.0% | 2.7% | 12.2% |
| Asian | 3.5% | 1.1% | 5.6% |
| Native American | 0.1% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 2.1% | 2.2% | 3.2% |
| Hispanic | 14.7% | 1.2% | 18.4% |
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| Marriage & Family | | | |
| | Westwood, KS | Independence, KY | United States |
| Married Population | 50.0% | 57.7% | 49.8% |
| Currently Married | 49.8% | 55.7% | 48.0% |
| Married but Separated | 0.1% | 2.0% | 1.8% |
| Single Population | 50.0% | 42.3% | 50.2% |
| Never Married | 30.2% | 28.5% | 33.8% |
| Divorced | 12.3% | 10.5% | 10.8% |
| Widowed | 7.5% | 3.3% | 5.6% |
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| Household Size | 2.18 | 2.89 | 2.60 |
| Households | 840 | 9,761 | 124,010,992 |
| Family Households | 435 | 7,330 | 80,755,759 |
| Married couple, w/children | 35.9% | 41.9% | 30.5% |
| Married couple, no children | 45.5% | 35.0% | 42.9% |
| Non Family Households | 405 | 2,431 | 43,255,233 |
| Single householder, w/children | 12.2% | 11.5% | 15.8% |
| Single householder, no children | 6.4% | 11.5% | 10.8% |