| | Bluffton, OH | Freeland, MI | United States |
| Population | 3,820 | 7,427 | 329,725,481 |
| Female Population | 51.6% | 36.0% | 50.5% |
| Male Population | 48.5% | 64.0% | 49.5% |
| Median Age | 37.9 | 35.9 | 38.4 |
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| Population - 2010 | 4,321 | 6,999 | 309,327,143 |
| Population - 2000 | 3,896 | 5,147 | 285,036,114 |
| Population - 1990 | 3,367 | 1,421 | 251,960,433 |
| Pop. 2000 to Now | 3.4% | 38.7% | 15.6% |
| Pop. 1990 to Now | 19.7% | 402.4% | 30.8% |
| space4 | | | |
| Population Density | 1,048.0 | 1,128.0 | 93.4 |
| Land Area | 3.6 | 6.6 | 3,531,905.4 |
| Water Area | 0.1 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bluffton, OH | Freeland, MI | United States |
| Age 0 to 4 | 6.9% | 3.9% | 5.9% |
| Age 5 to 9 | 7.5% | 6.7% | 6.1% |
| Age 10 to 14 | 7.9% | 7.2% | 6.6% |
| Age 15 to 17 | 2.1% | 4.9% | 3.9% |
| Age 18 to 20 | 7.1% | 2.8% | 4.0% |
| Age 21 to 24 | 6.5% | 6.6% | 5.2% |
| Age 25 to 34 | 9.2% | 15.7% | 13.8% |
| Age 35 to 44 | 12.3% | 16.0% | 12.9% |
| Age 45 to 54 | 9.5% | 16.0% | 12.6% |
| Age 55 to 59 | 6.1% | 6.9% | 6.7% |
| Age 60 to 64 | 3.4% | 3.4% | 6.3% |
| Age 65 to 74 | 11.7% | 5.8% | 9.6% |
| Age 75 to 84 | 6.7% | 2.8% | 4.5% |
| Age 85 and over | 3.2% | 1.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bluffton, OH | Freeland, MI | United States |
| White | 93.3% | 79.4% | 59.4% |
| Black | 0.6% | 7.6% | 12.2% |
| Asian | 3.6% | 1.1% | 5.6% |
| Native American | 0.0% | 0.6% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 1.2% | 0.0% | 0.4% |
| Two or More Races | 0.4% | 7.2% | 3.2% |
| Hispanic | 0.8% | 4.1% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bluffton, OH | Freeland, MI | United States |
| Married Population | 52.3% | 44.9% | 49.8% |
| Currently Married | 51.4% | 43.0% | 48.0% |
| Married but Separated | 0.9% | 1.9% | 1.8% |
| Single Population | 47.7% | 55.1% | 50.2% |
| Never Married | 27.8% | 37.3% | 33.8% |
| Divorced | 9.7% | 15.4% | 10.8% |
| Widowed | 10.3% | 2.5% | 5.6% |
| space5 | | | |
| Household Size | 2.42 | 2.77 | 2.60 |
| Households | 1,456 | 2,138 | 124,010,992 |
| Family Households | 925 | 1,550 | 80,755,759 |
| Married couple, w/children | 37.5% | 43.4% | 30.5% |
| Married couple, no children | 45.8% | 39.0% | 42.9% |
| Non Family Households | 531 | 588 | 43,255,233 |
| Single householder, w/children | 10.9% | 13.3% | 15.8% |
| Single householder, no children | 5.7% | 4.3% | 10.8% |