| | Little Falls, NJ | Springhill, FL | United States |
| Population | 13,628 | 63 | 329,725,481 |
| Female Population | 54.1% | 61.9% | 50.5% |
| Male Population | 45.9% | 38.1% | 49.5% |
| Median Age | 47.7 | 64.7 | 38.4 |
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| Population - 2010 | 14,429 | 141 | 309,327,143 |
| Population - 2000 | 10,855 | 129 | 285,036,114 |
| Population - 1990 | 11,294 | 79 | 251,960,433 |
| Pop. 2000 to Now | 32.8% | 14.7% | 15.6% |
| Pop. 1990 to Now | 27.6% | 87.3% | 30.8% |
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| Population Density | 4,971.9 | 5.0 | 93.4 |
| Land Area | 2.7 | 12.5 | 3,531,905.4 |
| Water Area | 0.1 | 0.0 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Little Falls, NJ | Springhill, FL | United States |
| Age 0 to 4 | 2.7% | 0.0% | 5.9% |
| Age 5 to 9 | 2.6% | 0.0% | 6.1% |
| Age 10 to 14 | 3.6% | 0.0% | 6.6% |
| Age 15 to 17 | 2.1% | 0.0% | 3.9% |
| Age 18 to 20 | 8.7% | 0.0% | 4.0% |
| Age 21 to 24 | 8.4% | 0.0% | 5.2% |
| Age 25 to 34 | 10.1% | 0.0% | 13.8% |
| Age 35 to 44 | 8.7% | 0.0% | 12.9% |
| Age 45 to 54 | 20.7% | 7.9% | 12.6% |
| Age 55 to 59 | 5.0% | 31.7% | 6.7% |
| Age 60 to 64 | 13.1% | 15.9% | 6.3% |
| Age 65 to 74 | 9.4% | 44.4% | 9.6% |
| Age 75 to 84 | 3.7% | 0.0% | 4.5% |
| Age 85 and over | 1.4% | 0.0% | 1.9% |
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| Race | | | |
| | Little Falls, NJ | Springhill, FL | United States |
| White | 74.5% | 100.0% | 59.4% |
| Black | 3.0% | 0.0% | 12.2% |
| Asian | 5.6% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.1% | 0.0% | 0.2% |
| Other | 0.1% | 0.0% | 0.4% |
| Two or More Races | 1.8% | 0.0% | 3.2% |
| Hispanic | 14.9% | 0.0% | 18.4% |
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| Marriage & Family | | | |
| | Little Falls, NJ | Springhill, FL | United States |
| Married Population | 46.4% | 95.2% | 49.8% |
| Currently Married | 46.0% | 95.2% | 48.0% |
| Married but Separated | 0.4% | 0.0% | 1.8% |
| Single Population | 53.6% | 4.8% | 50.2% |
| Never Married | 38.7% | 4.8% | 33.8% |
| Divorced | 8.9% | 0.0% | 10.8% |
| Widowed | 6.0% | 0.0% | 5.6% |
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| Household Size | 2.26 | 2.10 | 2.60 |
| Households | 5,504 | 30 | 124,010,992 |
| Family Households | 3,619 | 30 | 80,755,759 |
| Married couple, w/children | 21.0% | 0.0% | 30.5% |
| Married couple, no children | 57.8% | 100.0% | 42.9% |
| Non Family Households | 1,885 | 0 | 43,255,233 |
| Single householder, w/children | 7.5% | 0.0% | 15.8% |
| Single householder, no children | 13.7% | 0.0% | 10.8% |