| | Oak Point, TX | Smithfield, VA | United States |
| Population | 4,550 | 8,513 | 329,725,481 |
| Female Population | 50.5% | 50.1% | 50.5% |
| Male Population | 49.5% | 49.9% | 49.5% |
| Median Age | 34.7 | 46.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,839 | 8,101 | 309,327,143 |
| Population - 2000 | 1,747 | 6,324 | 285,036,114 |
| Population - 1990 | 645 | 4,686 | 251,960,433 |
| Pop. 2000 to Now | 290.4% | 36.2% | 15.6% |
| Pop. 1990 to Now | 957.4% | 83.9% | 30.8% |
| space4 | | | |
| Population Density | 805.6 | 902.9 | 93.4 |
| Land Area | 5.6 | 9.4 | 3,531,905.4 |
| Water Area | 0.3 | 0.9 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Oak Point, TX | Smithfield, VA | United States |
| Age 0 to 4 | 11.1% | 7.5% | 5.9% |
| Age 5 to 9 | 4.5% | 3.9% | 6.1% |
| Age 10 to 14 | 8.1% | 5.1% | 6.6% |
| Age 15 to 17 | 3.1% | 4.0% | 3.9% |
| Age 18 to 20 | 0.7% | 3.3% | 4.0% |
| Age 21 to 24 | 2.6% | 3.3% | 5.2% |
| Age 25 to 34 | 22.8% | 13.1% | 13.8% |
| Age 35 to 44 | 13.4% | 9.0% | 12.9% |
| Age 45 to 54 | 7.2% | 15.2% | 12.6% |
| Age 55 to 59 | 5.8% | 9.8% | 6.7% |
| Age 60 to 64 | 7.8% | 7.2% | 6.3% |
| Age 65 to 74 | 10.5% | 9.5% | 9.6% |
| Age 75 to 84 | 2.4% | 6.8% | 4.5% |
| Age 85 and over | 0.1% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Oak Point, TX | Smithfield, VA | United States |
| White | 61.6% | 71.2% | 59.4% |
| Black | 3.8% | 20.3% | 12.2% |
| Asian | 3.1% | 0.1% | 5.6% |
| Native American | 0.1% | 0.2% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.1% | 0.2% |
| Other | 0.2% | 0.0% | 0.4% |
| Two or More Races | 7.8% | 1.7% | 3.2% |
| Hispanic | 23.5% | 6.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Oak Point, TX | Smithfield, VA | United States |
| Married Population | 61.0% | 58.6% | 49.8% |
| Currently Married | 60.8% | 56.7% | 48.0% |
| Married but Separated | 0.2% | 1.9% | 1.8% |
| Single Population | 39.0% | 41.4% | 50.2% |
| Never Married | 24.2% | 25.0% | 33.8% |
| Divorced | 13.2% | 9.8% | 10.8% |
| Widowed | 1.6% | 6.7% | 5.6% |
| space5 | | | |
| Household Size | 2.68 | 2.49 | 2.60 |
| Households | 1,698 | 3,394 | 124,010,992 |
| Family Households | 1,190 | 2,344 | 80,755,759 |
| Married couple, w/children | 38.7% | 28.0% | 30.5% |
| Married couple, no children | 47.4% | 52.5% | 42.9% |
| Non Family Households | 508 | 1,050 | 43,255,233 |
| Single householder, w/children | 12.3% | 11.0% | 15.8% |
| Single householder, no children | 1.6% | 8.4% | 10.8% |