| | Ligonier, PA | Normandy, TN | United States |
| Population | 1,411 | 121 | 329,725,481 |
| Female Population | 51.9% | 51.2% | 50.5% |
| Male Population | 48.1% | 48.8% | 49.5% |
| Median Age | 52.1 | 46.9 | 38.4 |
| space3 | | | |
| Population - 2010 | 1,568 | 136 | 309,327,143 |
| Population - 2000 | 1,695 | 141 | 285,036,114 |
| Population - 1990 | 1,638 | 118 | 251,960,433 |
| Pop. 2000 to Now | -11.2% | -0.7% | 15.6% |
| Pop. 1990 to Now | -8.1% | 18.6% | 30.8% |
| space4 | | | |
| Population Density | 2,799.6 | 493.9 | 93.4 |
| Land Area | 0.5 | 0.2 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Ligonier, PA | Normandy, TN | United States |
| Age 0 to 4 | 2.7% | 3.3% | 5.9% |
| Age 5 to 9 | 4.0% | 1.7% | 6.1% |
| Age 10 to 14 | 4.3% | 5.0% | 6.6% |
| Age 15 to 17 | 2.0% | 2.5% | 3.9% |
| Age 18 to 20 | 1.8% | 0.0% | 4.0% |
| Age 21 to 24 | 5.2% | 13.2% | 5.2% |
| Age 25 to 34 | 7.7% | 5.8% | 13.8% |
| Age 35 to 44 | 15.5% | 12.4% | 12.9% |
| Age 45 to 54 | 9.2% | 18.2% | 12.6% |
| Age 55 to 59 | 7.3% | 5.0% | 6.7% |
| Age 60 to 64 | 7.4% | 6.6% | 6.3% |
| Age 65 to 74 | 18.2% | 24.8% | 9.6% |
| Age 75 to 84 | 6.3% | 0.8% | 4.5% |
| Age 85 and over | 8.4% | 0.8% | 1.9% |
| space1 | | | |
| Race | | | |
| | Ligonier, PA | Normandy, TN | United States |
| White | 97.8% | 94.2% | 59.4% |
| Black | 0.0% | 5.8% | 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 | 0.6% | 0.0% | 3.2% |
| Hispanic | 1.6% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Ligonier, PA | Normandy, TN | United States |
| Married Population | 57.0% | 27.5% | 49.8% |
| Currently Married | 55.1% | 23.9% | 48.0% |
| Married but Separated | 1.9% | 3.7% | 1.8% |
| Single Population | 43.0% | 72.5% | 50.2% |
| Never Married | 23.7% | 33.9% | 33.8% |
| Divorced | 11.5% | 23.9% | 10.8% |
| Widowed | 7.8% | 14.7% | 5.6% |
| space5 | | | |
| Household Size | 1.94 | 2.28 | 2.60 |
| Households | 728 | 53 | 124,010,992 |
| Family Households | 400 | 22 | 80,755,759 |
| Married couple, w/children | 16.5% | 0.0% | 30.5% |
| Married couple, no children | 63.5% | 59.1% | 42.9% |
| Non Family Households | 328 | 31 | 43,255,233 |
| Single householder, w/children | 13.0% | 27.3% | 15.8% |
| Single householder, no children | 7.0% | 13.6% | 10.8% |