| | Black Oak, AR | Meadow Vista, CA | United States |
| Population | 213 | 3,537 | 329,725,481 |
| Female Population | 46.0% | 50.4% | 50.5% |
| Male Population | 54.0% | 49.7% | 49.5% |
| Median Age | 41.8 | 49.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 263 | 3,411 | 309,327,143 |
| Population - 2000 | 286 | 3,096 | 285,036,114 |
| Population - 1990 | 277 | 3,067 | 251,960,433 |
| Pop. 2000 to Now | -9.4% | 20.4% | 15.6% |
| Pop. 1990 to Now | -6.5% | 21.5% | 30.8% |
| space4 | | | |
| Population Density | 509.6 | 669.8 | 93.4 |
| Land Area | 0.4 | 5.3 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Black Oak, AR | Meadow Vista, CA | United States |
| Age 0 to 4 | 7.0% | 5.0% | 5.9% |
| Age 5 to 9 | 5.6% | 5.6% | 6.1% |
| Age 10 to 14 | 9.9% | 6.3% | 6.6% |
| Age 15 to 17 | 5.6% | 2.7% | 3.9% |
| Age 18 to 20 | 1.9% | 3.9% | 4.0% |
| Age 21 to 24 | 3.3% | 2.1% | 5.2% |
| Age 25 to 34 | 7.0% | 9.2% | 13.8% |
| Age 35 to 44 | 16.9% | 10.5% | 12.9% |
| Age 45 to 54 | 16.0% | 11.6% | 12.6% |
| Age 55 to 59 | 11.3% | 7.1% | 6.7% |
| Age 60 to 64 | 6.6% | 9.8% | 6.3% |
| Age 65 to 74 | 7.0% | 19.9% | 9.6% |
| Age 75 to 84 | 1.9% | 5.7% | 4.5% |
| Age 85 and over | 0.0% | 0.5% | 1.9% |
| space1 | | | |
| Race | | | |
| | Black Oak, AR | Meadow Vista, CA | United States |
| White | 71.8% | 86.6% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 2.1% | 5.6% |
| Native American | 0.0% | 1.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 1.4% | 2.4% | 3.2% |
| Hispanic | 26.8% | 7.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Black Oak, AR | Meadow Vista, CA | United States |
| Married Population | 52.1% | 64.3% | 49.8% |
| Currently Married | 49.1% | 62.6% | 48.0% |
| Married but Separated | 3.0% | 1.7% | 1.8% |
| Single Population | 47.9% | 35.7% | 50.2% |
| Never Married | 15.8% | 19.3% | 33.8% |
| Divorced | 24.8% | 12.1% | 10.8% |
| Widowed | 7.3% | 4.3% | 5.6% |
| space5 | | | |
| Household Size | 2.24 | 2.71 | 2.60 |
| Households | 95 | 1,306 | 124,010,992 |
| Family Households | 61 | 981 | 80,755,759 |
| Married couple, w/children | 13.1% | 32.0% | 30.5% |
| Married couple, no children | 32.8% | 55.5% | 42.9% |
| Non Family Households | 34 | 325 | 43,255,233 |
| Single householder, w/children | 42.6% | 6.7% | 15.8% |
| Single householder, no children | 11.5% | 5.8% | 10.8% |