| | Denham Springs, LA | Clinton, MS | United States |
| Population | 9,389 | 27,830 | 329,725,481 |
| Female Population | 53.5% | 54.8% | 50.5% |
| Male Population | 46.5% | 45.2% | 49.5% |
| Median Age | 36.4 | 36.8 | 38.4 |
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| Population - 2010 | 10,368 | 25,291 | 309,327,143 |
| Population - 2000 | 8,757 | 23,347 | 285,036,114 |
| Population - 1990 | 8,381 | 21,847 | 251,960,433 |
| Pop. 2000 to Now | 12.4% | 2.3% | 15.6% |
| Pop. 1990 to Now | 17.4% | 9.3% | 30.8% |
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| Population Density | 1,287.4 | 665.3 | 93.4 |
| Land Area | 7.3 | 41.8 | 3,531,905.4 |
| Water Area | 0.1 | 0.3 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Denham Springs, LA | Clinton, MS | United States |
| Age 0 to 4 | 7.3% | 6.9% | 5.9% |
| Age 5 to 9 | 3.3% | 6.6% | 6.1% |
| Age 10 to 14 | 8.1% | 8.8% | 6.6% |
| Age 15 to 17 | 3.4% | 3.3% | 3.9% |
| Age 18 to 20 | 4.9% | 4.4% | 4.0% |
| Age 21 to 24 | 4.5% | 4.8% | 5.2% |
| Age 25 to 34 | 14.2% | 12.8% | 13.8% |
| Age 35 to 44 | 12.5% | 13.5% | 12.9% |
| Age 45 to 54 | 9.8% | 10.9% | 12.6% |
| Age 55 to 59 | 7.0% | 6.8% | 6.7% |
| Age 60 to 64 | 4.6% | 5.2% | 6.3% |
| Age 65 to 74 | 12.5% | 7.5% | 9.6% |
| Age 75 to 84 | 5.7% | 5.4% | 4.5% |
| Age 85 and over | 2.2% | 3.0% | 1.9% |
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| Race | | | |
| | Denham Springs, LA | Clinton, MS | United States |
| White | 73.0% | 53.1% | 59.4% |
| Black | 14.2% | 39.8% | 12.2% |
| Asian | 0.0% | 3.7% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.5% | 0.0% | 0.4% |
| Two or More Races | 3.4% | 0.7% | 3.2% |
| Hispanic | 8.9% | 2.7% | 18.4% |
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| Marriage & Family | | | |
| | Denham Springs, LA | Clinton, MS | United States |
| Married Population | 45.2% | 50.0% | 49.8% |
| Currently Married | 43.8% | 49.0% | 48.0% |
| Married but Separated | 1.4% | 1.1% | 1.8% |
| Single Population | 54.8% | 50.0% | 50.2% |
| Never Married | 33.0% | 32.5% | 33.8% |
| Divorced | 14.7% | 8.6% | 10.8% |
| Widowed | 7.0% | 8.9% | 5.6% |
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| Household Size | 2.50 | 2.63 | 2.60 |
| Households | 3,696 | 10,412 | 124,010,992 |
| Family Households | 2,379 | 6,986 | 80,755,759 |
| Married couple, w/children | 24.8% | 32.1% | 30.5% |
| Married couple, no children | 38.7% | 37.2% | 42.9% |
| Non Family Households | 1,317 | 3,426 | 43,255,233 |
| Single householder, w/children | 25.3% | 18.6% | 15.8% |
| Single householder, no children | 11.2% | 12.2% | 10.8% |