| | Westport, IN | Florence, IN | United States |
| Population | 1,468 | 86 | 329,725,481 |
| Female Population | 51.6% | 52.3% | 50.5% |
| Male Population | 48.4% | 47.7% | 49.5% |
| Median Age | 41.4 | 38.2 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,385 | 159 | 309,327,143 |
| Population - 2000 | 1,515 | 47 | 285,036,114 |
| Population - 1990 | 1,478 | 40 | 251,960,433 |
| Pop. 2000 to Now | -6.5% | -61.7% | 15.6% |
| Pop. 1990 to Now | -4.2% | -55.0% | 30.8% |
| space4 | | | |
| Population Density | 1,112.1 | 637.0 | 93.4 |
| Land Area | 1.3 | 0.1 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Westport, IN | Florence, IN | United States |
| Age 0 to 4 | 8.1% | 29.1% | 5.9% |
| Age 5 to 9 | 6.3% | 0.0% | 6.1% |
| Age 10 to 14 | 7.0% | 0.0% | 6.6% |
| Age 15 to 17 | 1.8% | 0.0% | 3.9% |
| Age 18 to 20 | 2.5% | 0.0% | 4.0% |
| Age 21 to 24 | 3.8% | 0.0% | 5.2% |
| Age 25 to 34 | 9.6% | 11.6% | 13.8% |
| Age 35 to 44 | 13.6% | 41.9% | 12.9% |
| Age 45 to 54 | 9.1% | 0.0% | 12.6% |
| Age 55 to 59 | 9.3% | 17.4% | 6.7% |
| Age 60 to 64 | 11.5% | 0.0% | 6.3% |
| Age 65 to 74 | 10.8% | 0.0% | 9.6% |
| Age 75 to 84 | 6.1% | 0.0% | 4.5% |
| Age 85 and over | 0.3% | 0.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Westport, IN | Florence, IN | United States |
| White | 98.6% | 100.0% | 59.4% |
| Black | 0.0% | 0.0% | 12.2% |
| Asian | 0.0% | 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 | 1.0% | 0.0% | 3.2% |
| Hispanic | 0.4% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Westport, IN | Florence, IN | United States |
| Married Population | 63.2% | 59.0% | 49.8% |
| Currently Married | 61.8% | 59.0% | 48.0% |
| Married but Separated | 1.5% | 0.0% | 1.8% |
| Single Population | 36.8% | 41.0% | 50.2% |
| Never Married | 16.7% | 16.4% | 33.8% |
| Divorced | 12.7% | 24.6% | 10.8% |
| Widowed | 7.4% | 0.0% | 5.6% |
| space5 | | | |
| Household Size | 2.42 | 3.44 | 2.60 |
| Households | 607 | 25 | 124,010,992 |
| Family Households | 392 | 25 | 80,755,759 |
| Married couple, w/children | 26.8% | 0.0% | 30.5% |
| Married couple, no children | 59.7% | 0.0% | 42.9% |
| Non Family Households | 215 | 0 | 43,255,233 |
| Single householder, w/children | 8.9% | 40.0% | 15.8% |
| Single householder, no children | 4.6% | 60.0% | 10.8% |