| | Fairmount, TN | Clare, MI | United States |
| Population | 1,607 | 3,312 | 329,725,481 |
| Female Population | 51.3% | 60.2% | 50.5% |
| Male Population | 48.7% | 39.9% | 49.5% |
| Median Age | 42.3 | 41.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 2,604 | 3,134 | 309,327,143 |
| Population - 2000 | 2,463 | 3,173 | 285,036,114 |
| Population - 1990 | 1,985 | 3,021 | 251,960,433 |
| Pop. 2000 to Now | 14.3% | -3.8% | 15.6% |
| Pop. 1990 to Now | 41.8% | 1.1% | 30.8% |
| space4 | | | |
| Population Density | 358.3 | 889.8 | 93.4 |
| Land Area | 4.5 | 3.7 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Fairmount, TN | Clare, MI | United States |
| Age 0 to 4 | 6.3% | 5.8% | 5.9% |
| Age 5 to 9 | 5.4% | 8.5% | 6.1% |
| Age 10 to 14 | 6.8% | 5.4% | 6.6% |
| Age 15 to 17 | 8.8% | 2.6% | 3.9% |
| Age 18 to 20 | 3.1% | 2.9% | 4.0% |
| Age 21 to 24 | 0.4% | 3.6% | 5.2% |
| Age 25 to 34 | 2.9% | 14.0% | 13.8% |
| Age 35 to 44 | 19.5% | 10.3% | 12.9% |
| Age 45 to 54 | 14.4% | 17.0% | 12.6% |
| Age 55 to 59 | 8.3% | 4.1% | 6.7% |
| Age 60 to 64 | 8.3% | 5.1% | 6.3% |
| Age 65 to 74 | 9.5% | 10.9% | 9.6% |
| Age 75 to 84 | 5.2% | 6.0% | 4.5% |
| Age 85 and over | 1.0% | 3.9% | 1.9% |
| space1 | | | |
| Race | | | |
| | Fairmount, TN | Clare, MI | United States |
| White | 86.6% | 93.5% | 59.4% |
| Black | 0.0% | 1.2% | 12.2% |
| Asian | 0.8% | 0.0% | 5.6% |
| Native American | 0.0% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 5.2% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 6.6% | 5.3% | 3.2% |
| Hispanic | 0.9% | 0.0% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Fairmount, TN | Clare, MI | United States |
| Married Population | 67.5% | 42.0% | 49.8% |
| Currently Married | 66.2% | 40.8% | 48.0% |
| Married but Separated | 1.3% | 1.2% | 1.8% |
| Single Population | 32.5% | 58.0% | 50.2% |
| Never Married | 18.9% | 26.1% | 33.8% |
| Divorced | 6.3% | 25.5% | 10.8% |
| Widowed | 7.3% | 6.5% | 5.6% |
| space5 | | | |
| Household Size | 2.51 | 2.56 | 2.60 |
| Households | 640 | 1,259 | 124,010,992 |
| Family Households | 421 | 637 | 80,755,759 |
| Married couple, w/children | 48.7% | 40.8% | 30.5% |
| Married couple, no children | 47.3% | 34.5% | 42.9% |
| Non Family Households | 219 | 622 | 43,255,233 |
| Single householder, w/children | 4.0% | 14.0% | 15.8% |
| Single householder, no children | 0.0% | 10.7% | 10.8% |