| | Uniopolis, OH | Findlay, OH | United States |
| Population | 289 | 40,323 | 329,725,481 |
| Female Population | 28.4% | 51.8% | 50.5% |
| Male Population | 71.6% | 48.2% | 49.5% |
| Median Age | 55.8 | 37.7 | 38.4 |
| space3 | | | |
| Population - 2010 | 160 | 41,127 | 309,327,143 |
| Population - 2000 | 256 | 38,967 | 285,036,114 |
| Population - 1990 | 261 | 35,703 | 251,960,433 |
| Pop. 2000 to Now | -29.7% | 4.8% | 15.6% |
| Pop. 1990 to Now | -31.0% | 14.4% | 30.8% |
| space4 | | | |
| Population Density | 1,086.5 | 2,056.7 | 93.4 |
| Land Area | 0.3 | 19.6 | 3,531,905.4 |
| Water Area | 0.0 | 0.1 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Uniopolis, OH | Findlay, OH | United States |
| Age 0 to 4 | 0.3% | 6.8% | 5.9% |
| Age 5 to 9 | 1.0% | 5.9% | 6.1% |
| Age 10 to 14 | 4.5% | 4.8% | 6.6% |
| Age 15 to 17 | 4.8% | 2.9% | 3.9% |
| Age 18 to 20 | 1.7% | 4.6% | 4.0% |
| Age 21 to 24 | 1.4% | 6.1% | 5.2% |
| Age 25 to 34 | 0.0% | 16.1% | 13.8% |
| Age 35 to 44 | 14.2% | 11.3% | 12.9% |
| Age 45 to 54 | 20.1% | 11.8% | 12.6% |
| Age 55 to 59 | 11.4% | 7.1% | 6.7% |
| Age 60 to 64 | 20.8% | 5.4% | 6.3% |
| Age 65 to 74 | 16.3% | 9.2% | 9.6% |
| Age 75 to 84 | 3.5% | 5.2% | 4.5% |
| Age 85 and over | 0.0% | 2.7% | 1.9% |
| space1 | | | |
| Race | | | |
| | Uniopolis, OH | Findlay, OH | United States |
| White | 100.0% | 84.6% | 59.4% |
| Black | 0.0% | 2.4% | 12.2% |
| Asian | 0.0% | 2.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.1% | 0.4% |
| Two or More Races | 0.0% | 2.6% | 3.2% |
| Hispanic | 0.0% | 7.9% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Uniopolis, OH | Findlay, OH | United States |
| Married Population | 37.1% | 42.7% | 49.8% |
| Currently Married | 37.1% | 40.5% | 48.0% |
| Married but Separated | 0.0% | 2.3% | 1.8% |
| Single Population | 62.9% | 57.3% | 50.2% |
| Never Married | 32.7% | 35.3% | 33.8% |
| Divorced | 25.7% | 14.7% | 10.8% |
| Widowed | 4.4% | 7.2% | 5.6% |
| space5 | | | |
| Household Size | 1.85 | 2.20 | 2.60 |
| Households | 156 | 17,550 | 124,010,992 |
| Family Households | 67 | 9,236 | 80,755,759 |
| Married couple, w/children | 22.4% | 27.4% | 30.5% |
| Married couple, no children | 52.2% | 41.3% | 42.9% |
| Non Family Households | 89 | 8,314 | 43,255,233 |
| Single householder, w/children | 0.0% | 21.0% | 15.8% |
| Single householder, no children | 25.4% | 10.3% | 10.8% |