| | Conroe, TX | Belton, TX | United States |
| Population | 87,930 | 22,866 | 329,725,481 |
| Female Population | 49.6% | 55.5% | 50.5% |
| Male Population | 50.4% | 44.5% | 49.5% |
| Median Age | 32.9 | 26.4 | 38.4 |
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| Population - 2010 | 65,712 | 18,474 | 309,327,143 |
| Population - 2000 | 36,811 | 14,623 | 285,036,114 |
| Population - 1990 | 27,610 | 12,476 | 251,960,433 |
| Pop. 2000 to Now | 161.4% | 58.6% | 15.6% |
| Pop. 1990 to Now | 248.5% | 85.9% | 30.8% |
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| Population Density | 1,252.9 | 1,131.1 | 93.4 |
| Land Area | 70.2 | 20.2 | 3,531,905.4 |
| Water Area | 0.8 | 0.9 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Conroe, TX | Belton, TX | United States |
| Age 0 to 4 | 6.9% | 7.3% | 5.9% |
| Age 5 to 9 | 6.6% | 8.9% | 6.1% |
| Age 10 to 14 | 7.7% | 8.2% | 6.6% |
| Age 15 to 17 | 3.7% | 3.9% | 3.9% |
| Age 18 to 20 | 3.6% | 9.1% | 4.0% |
| Age 21 to 24 | 7.7% | 9.2% | 5.2% |
| Age 25 to 34 | 16.6% | 15.9% | 13.8% |
| Age 35 to 44 | 12.8% | 10.0% | 12.9% |
| Age 45 to 54 | 11.0% | 8.5% | 12.6% |
| Age 55 to 59 | 5.3% | 4.0% | 6.7% |
| Age 60 to 64 | 4.6% | 4.5% | 6.3% |
| Age 65 to 74 | 7.7% | 5.9% | 9.6% |
| Age 75 to 84 | 4.0% | 3.1% | 4.5% |
| Age 85 and over | 1.8% | 1.5% | 1.9% |
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| Race | | | |
| | Conroe, TX | Belton, TX | United States |
| White | 52.9% | 56.0% | 59.4% |
| Black | 11.8% | 7.8% | 12.2% |
| Asian | 2.9% | 1.3% | 5.6% |
| Native American | 0.1% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.1% | 0.2% |
| Other | 0.1% | 0.1% | 0.4% |
| Two or More Races | 1.9% | 5.5% | 3.2% |
| Hispanic | 30.2% | 29.2% | 18.4% |
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| Marriage & Family | | | |
| | Conroe, TX | Belton, TX | United States |
| Married Population | 52.6% | 37.3% | 49.8% |
| Currently Married | 50.3% | 33.3% | 48.0% |
| Married but Separated | 2.3% | 4.0% | 1.8% |
| Single Population | 47.4% | 62.7% | 50.2% |
| Never Married | 32.5% | 43.0% | 33.8% |
| Divorced | 9.5% | 11.7% | 10.8% |
| Widowed | 5.3% | 7.9% | 5.6% |
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| Household Size | 2.64 | 2.66 | 2.60 |
| Households | 32,775 | 7,652 | 124,010,992 |
| Family Households | 21,497 | 4,234 | 80,755,759 |
| Married couple, w/children | 36.8% | 33.2% | 30.5% |
| Married couple, no children | 38.8% | 28.4% | 42.9% |
| Non Family Households | 11,278 | 3,418 | 43,255,233 |
| Single householder, w/children | 15.0% | 24.7% | 15.8% |
| Single householder, no children | 9.3% | 13.8% | 10.8% |