| | Farmington, IA | Saranac Lake, NY | United States |
| Population | 534 | 5,003 | 329,725,481 |
| Female Population | 51.3% | 45.2% | 50.5% |
| Male Population | 48.7% | 54.8% | 49.5% |
| Median Age | 50.1 | 44.3 | 38.4 |
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| Population - 2010 | 664 | 5,421 | 309,327,143 |
| Population - 2000 | 756 | 5,041 | 285,036,114 |
| Population - 1990 | 655 | 5,377 | 251,960,433 |
| Pop. 2000 to Now | -17.6% | 3.0% | 15.6% |
| Pop. 1990 to Now | -4.9% | -3.4% | 30.8% |
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| Population Density | 1,138.6 | 1,800.3 | 93.4 |
| Land Area | 0.5 | 2.8 | 3,531,905.4 |
| Water Area | 0.0 | 0.2 | 264,836.8 |
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| Est. Total Population By Age | | | |
| | Farmington, IA | Saranac Lake, NY | United States |
| Age 0 to 4 | 3.4% | 5.7% | 5.9% |
| Age 5 to 9 | 6.9% | 6.8% | 6.1% |
| Age 10 to 14 | 6.0% | 4.0% | 6.6% |
| Age 15 to 17 | 6.4% | 2.0% | 3.9% |
| Age 18 to 20 | 2.1% | 5.4% | 4.0% |
| Age 21 to 24 | 3.7% | 5.0% | 5.2% |
| Age 25 to 34 | 6.9% | 13.1% | 13.8% |
| Age 35 to 44 | 9.4% | 10.8% | 12.9% |
| Age 45 to 54 | 19.5% | 13.7% | 12.6% |
| Age 55 to 59 | 8.8% | 7.7% | 6.7% |
| Age 60 to 64 | 13.5% | 9.6% | 6.3% |
| Age 65 to 74 | 9.4% | 12.4% | 9.6% |
| Age 75 to 84 | 2.1% | 2.8% | 4.5% |
| Age 85 and over | 2.1% | 1.1% | 1.9% |
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| Race | | | |
| | Farmington, IA | Saranac Lake, NY | United States |
| White | 95.1% | 93.1% | 59.4% |
| Black | 0.0% | 2.3% | 12.2% |
| Asian | 0.0% | 0.0% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.0% | 0.4% |
| Two or More Races | 0.7% | 1.4% | 3.2% |
| Hispanic | 4.1% | 2.7% | 18.4% |
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| Marriage & Family | | | |
| | Farmington, IA | Saranac Lake, NY | United States |
| Married Population | 53.9% | 43.9% | 49.8% |
| Currently Married | 47.9% | 42.0% | 48.0% |
| Married but Separated | 6.0% | 2.0% | 1.8% |
| Single Population | 46.1% | 56.1% | 50.2% |
| Never Married | 28.4% | 42.9% | 33.8% |
| Divorced | 11.9% | 9.7% | 10.8% |
| Widowed | 5.8% | 3.5% | 5.6% |
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| Household Size | 2.17 | 1.98 | 2.60 |
| Households | 246 | 2,406 | 124,010,992 |
| Family Households | 127 | 1,108 | 80,755,759 |
| Married couple, w/children | 28.3% | 21.5% | 30.5% |
| Married couple, no children | 48.8% | 53.4% | 42.9% |
| Non Family Households | 119 | 1,298 | 43,255,233 |
| Single householder, w/children | 16.5% | 21.0% | 15.8% |
| Single householder, no children | 6.3% | 4.1% | 10.8% |