| | Westwood, KY | Briarwood, KY | United States |
| Population | 530 | 397 | 329,725,481 |
| Female Population | 46.0% | 51.6% | 50.5% |
| Male Population | 54.0% | 48.4% | 49.5% |
| Median Age | 42.3 | 42.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 637 | 433 | 309,327,143 |
| Population - 2000 | 612 | 554 | 285,036,114 |
| Population - 1990 | 734 | 658 | 251,960,433 |
| Pop. 2000 to Now | 7.7% | -19.5% | 15.6% |
| Pop. 1990 to Now | -10.2% | -32.2% | 30.8% |
| space4 | | | |
| Population Density | 4,380.2 | 4,179.0 | 93.4 |
| Land Area | 0.1 | 0.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Westwood, KY | Briarwood, KY | United States |
| Age 0 to 4 | 9.6% | 8.1% | 5.9% |
| Age 5 to 9 | 6.4% | 3.5% | 6.1% |
| Age 10 to 14 | 9.4% | 1.3% | 6.6% |
| Age 15 to 17 | 4.2% | 0.3% | 3.9% |
| Age 18 to 20 | 1.9% | 1.5% | 4.0% |
| Age 21 to 24 | 3.6% | 5.0% | 5.2% |
| Age 25 to 34 | 8.7% | 20.4% | 13.8% |
| Age 35 to 44 | 12.3% | 10.8% | 12.9% |
| Age 45 to 54 | 10.8% | 11.1% | 12.6% |
| Age 55 to 59 | 7.7% | 6.8% | 6.7% |
| Age 60 to 64 | 4.2% | 7.8% | 6.3% |
| Age 65 to 74 | 8.9% | 18.4% | 9.6% |
| Age 75 to 84 | 9.1% | 3.8% | 4.5% |
| Age 85 and over | 3.4% | 1.3% | 1.9% |
| space1 | | | |
| Race | | | |
| | Westwood, KY | Briarwood, KY | United States |
| White | 87.7% | 88.7% | 59.4% |
| Black | 3.6% | 6.5% | 12.2% |
| Asian | 0.0% | 0.5% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 1.0% | 0.4% |
| Two or More Races | 6.6% | 0.5% | 3.2% |
| Hispanic | 2.1% | 2.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Westwood, KY | Briarwood, KY | United States |
| Married Population | 68.6% | 47.7% | 49.8% |
| Currently Married | 68.6% | 47.7% | 48.0% |
| Married but Separated | 0.0% | 0.0% | 1.8% |
| Single Population | 31.4% | 52.3% | 50.2% |
| Never Married | 18.0% | 26.3% | 33.8% |
| Divorced | 8.6% | 21.1% | 10.8% |
| Widowed | 4.8% | 4.9% | 5.6% |
| space5 | | | |
| Household Size | 2.99 | 1.91 | 2.60 |
| Households | 177 | 208 | 124,010,992 |
| Family Households | 154 | 117 | 80,755,759 |
| Married couple, w/children | 35.1% | 15.4% | 30.5% |
| Married couple, no children | 51.3% | 57.3% | 42.9% |
| Non Family Households | 23 | 91 | 43,255,233 |
| Single householder, w/children | 9.1% | 13.7% | 15.8% |
| Single householder, no children | 4.5% | 13.7% | 10.8% |