| | Mason, TX | Navasota, TX | United States |
| Population | 2,138 | 7,614 | 329,725,481 |
| Female Population | 48.1% | 53.4% | 50.5% |
| Male Population | 51.9% | 46.7% | 49.5% |
| Median Age | 37.1 | 34.3 | 38.4 |
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| Population - 2010 | 2,113 | 7,104 | 309,327,143 |
| Population - 2000 | 2,134 | 6,789 | 285,036,114 |
| Population - 1990 | 2,041 | 6,296 | 251,960,433 |
| Pop. 2000 to Now | 10.0% | 23.4% | 15.6% |
| Pop. 1990 to Now | 15.0% | 33.0% | 30.8% |
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| Population Density | 585.3 | 931.8 | 93.4 |
| Land Area | 3.7 | 8.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Mason, TX | Navasota, TX | United States |
| Age 0 to 4 | 10.1% | 6.0% | 5.9% |
| Age 5 to 9 | 10.5% | 8.4% | 6.1% |
| Age 10 to 14 | 3.2% | 9.4% | 6.6% |
| Age 15 to 17 | 5.1% | 5.3% | 3.9% |
| Age 18 to 20 | 3.6% | 6.4% | 4.0% |
| Age 21 to 24 | 5.1% | 5.3% | 5.2% |
| Age 25 to 34 | 9.0% | 10.1% | 13.8% |
| Age 35 to 44 | 11.1% | 12.5% | 12.9% |
| Age 45 to 54 | 7.3% | 12.4% | 12.6% |
| Age 55 to 59 | 9.1% | 5.3% | 6.7% |
| Age 60 to 64 | 7.0% | 3.2% | 6.3% |
| Age 65 to 74 | 12.9% | 8.8% | 9.6% |
| Age 75 to 84 | 6.0% | 4.7% | 4.5% |
| Age 85 and over | 0.0% | 2.2% | 1.9% |
| space1 | | | |
| Race | | | |
| | Mason, TX | Navasota, TX | United States |
| White | 65.2% | 27.5% | 59.4% |
| Black | 0.0% | 29.2% | 12.2% |
| Asian | 1.5% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 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 | 31.2% | 41.1% | 18.4% |
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| Marriage & Family | | | |
| | Mason, TX | Navasota, TX | United States |
| Married Population | 62.3% | 48.4% | 49.8% |
| Currently Married | 62.3% | 43.7% | 48.0% |
| Married but Separated | 0.0% | 4.8% | 1.8% |
| Single Population | 37.7% | 51.6% | 50.2% |
| Never Married | 22.1% | 40.2% | 33.8% |
| Divorced | 9.1% | 5.2% | 10.8% |
| Widowed | 6.5% | 6.2% | 5.6% |
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| Household Size | 2.84 | 2.72 | 2.60 |
| Households | 751 | 2,742 | 124,010,992 |
| Family Households | 504 | 1,903 | 80,755,759 |
| Married couple, w/children | 44.4% | 28.7% | 30.5% |
| Married couple, no children | 44.2% | 39.4% | 42.9% |
| Non Family Households | 247 | 839 | 43,255,233 |
| Single householder, w/children | 7.7% | 21.3% | 15.8% |
| Single householder, no children | 3.6% | 10.6% | 10.8% |