| | Turin, IA | Logan, IA | United States |
| Population | 151 | 1,532 | 329,725,481 |
| Female Population | 53.0% | 47.7% | 50.5% |
| Male Population | 47.0% | 52.3% | 49.5% |
| Median Age | 28.2 | 44.1 | 38.4 |
| space3 | | | |
| Population - 2010 | 68 | 1,532 | 309,327,143 |
| Population - 2000 | 75 | 1,545 | 285,036,114 |
| Population - 1990 | 95 | 1,401 | 251,960,433 |
| Pop. 2000 to Now | -16.0% | -9.2% | 15.6% |
| Pop. 1990 to Now | -33.7% | 0.1% | 30.8% |
| space4 | | | |
| Population Density | 1,696.6 | 1,527.4 | 93.4 |
| Land Area | 0.1 | 1.0 | 3,531,905.4 |
| Water Area | 0.0 | 0.0 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Turin, IA | Logan, IA | United States |
| Age 0 to 4 | 3.3% | 6.0% | 5.9% |
| Age 5 to 9 | 2.6% | 6.3% | 6.1% |
| Age 10 to 14 | 14.6% | 8.0% | 6.6% |
| Age 15 to 17 | 1.3% | 3.4% | 3.9% |
| Age 18 to 20 | 0.0% | 2.0% | 4.0% |
| Age 21 to 24 | 24.5% | 2.6% | 5.2% |
| Age 25 to 34 | 27.2% | 11.9% | 13.8% |
| Age 35 to 44 | 11.3% | 11.4% | 12.9% |
| Age 45 to 54 | 1.3% | 17.6% | 12.6% |
| Age 55 to 59 | 1.3% | 9.6% | 6.7% |
| Age 60 to 64 | 0.7% | 5.9% | 6.3% |
| Age 65 to 74 | 6.0% | 9.1% | 9.6% |
| Age 75 to 84 | 3.3% | 4.8% | 4.5% |
| Age 85 and over | 2.6% | 1.6% | 1.9% |
| space1 | | | |
| Race | | | |
| | Turin, IA | Logan, IA | United States |
| White | 100.0% | 95.5% | 59.4% |
| Black | 0.0% | 0.3% | 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 | 0.0% | 1.1% | 3.2% |
| Hispanic | 0.0% | 3.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Turin, IA | Logan, IA | United States |
| Married Population | 32.5% | 60.7% | 49.8% |
| Currently Married | 30.0% | 60.7% | 48.0% |
| Married but Separated | 2.5% | 0.0% | 1.8% |
| Single Population | 67.5% | 39.3% | 50.2% |
| Never Married | 63.3% | 19.4% | 33.8% |
| Divorced | 4.2% | 14.2% | 10.8% |
| Widowed | 0.0% | 5.7% | 5.6% |
| space5 | | | |
| Household Size | 2.48 | 2.50 | 2.60 |
| Households | 61 | 597 | 124,010,992 |
| Family Households | 27 | 428 | 80,755,759 |
| Married couple, w/children | 22.2% | 29.7% | 30.5% |
| Married couple, no children | 48.1% | 51.2% | 42.9% |
| Non Family Households | 34 | 169 | 43,255,233 |
| Single householder, w/children | 29.6% | 12.6% | 15.8% |
| Single householder, no children | 0.0% | 6.5% | 10.8% |