| | Noonday, TX | Henderson, TX | United States |
| Population | 488 | 13,498 | 329,725,481 |
| Female Population | 57.0% | 45.9% | 50.5% |
| Male Population | 43.0% | 54.2% | 49.5% |
| Median Age | 50.5 | 36.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 676 | 13,662 | 309,327,143 |
| Population - 2000 | 515 | 11,273 | 285,036,114 |
| Population - 1990 | 466 | 11,139 | 251,960,433 |
| Pop. 2000 to Now | 40.2% | 15.8% | 15.6% |
| Pop. 1990 to Now | 54.9% | 17.2% | 30.8% |
| space4 | | | |
| Population Density | 234.2 | 1,129.5 | 93.4 |
| Land Area | 2.1 | 12.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Noonday, TX | Henderson, TX | United States |
| Age 0 to 4 | 2.3% | 5.9% | 5.9% |
| Age 5 to 9 | 0.8% | 6.7% | 6.1% |
| Age 10 to 14 | 3.1% | 7.6% | 6.6% |
| Age 15 to 17 | 2.3% | 4.3% | 3.9% |
| Age 18 to 20 | 2.3% | 3.7% | 4.0% |
| Age 21 to 24 | 5.9% | 5.0% | 5.2% |
| Age 25 to 34 | 6.8% | 13.3% | 13.8% |
| Age 35 to 44 | 22.3% | 17.0% | 12.9% |
| Age 45 to 54 | 10.9% | 10.6% | 12.6% |
| Age 55 to 59 | 8.6% | 4.2% | 6.7% |
| Age 60 to 64 | 11.9% | 6.9% | 6.3% |
| Age 65 to 74 | 12.7% | 8.1% | 9.6% |
| Age 75 to 84 | 7.2% | 3.2% | 4.5% |
| Age 85 and over | 3.1% | 3.4% | 1.9% |
| space1 | | | |
| Race | | | |
| | Noonday, TX | Henderson, TX | United States |
| White | 76.6% | 51.5% | 59.4% |
| Black | 10.2% | 22.9% | 12.2% |
| Asian | 0.6% | 1.2% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.3% | 0.4% |
| Two or More Races | 2.3% | 2.3% | 3.2% |
| Hispanic | 10.2% | 21.8% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Noonday, TX | Henderson, TX | United States |
| Married Population | 64.0% | 43.6% | 49.8% |
| Currently Married | 53.3% | 41.7% | 48.0% |
| Married but Separated | 10.7% | 1.9% | 1.8% |
| Single Population | 36.0% | 56.4% | 50.2% |
| Never Married | 24.5% | 31.1% | 33.8% |
| Divorced | 7.2% | 18.0% | 10.8% |
| Widowed | 4.4% | 7.3% | 5.6% |
| space5 | | | |
| Household Size | 1.91 | 2.72 | 2.60 |
| Households | 256 | 4,170 | 124,010,992 |
| Family Households | 126 | 2,920 | 80,755,759 |
| Married couple, w/children | 15.9% | 38.9% | 30.5% |
| Married couple, no children | 76.2% | 32.5% | 42.9% |
| Non Family Households | 130 | 1,250 | 43,255,233 |
| Single householder, w/children | 4.8% | 18.9% | 15.8% |
| Single householder, no children | 3.2% | 9.6% | 10.8% |