| | Bowling Green, OH | Muncie, IN | United States |
| Population | 30,715 | 65,571 | 329,725,481 |
| Female Population | 50.2% | 52.9% | 50.5% |
| Male Population | 49.8% | 47.1% | 49.5% |
| Median Age | 22.8 | 28.6 | 38.4 |
| space3 | | | |
| Population - 2010 | 30,543 | 70,191 | 309,327,143 |
| Population - 2000 | 29,636 | 67,430 | 285,036,114 |
| Population - 1990 | 28,176 | 71,035 | 251,960,433 |
| Pop. 2000 to Now | 6.1% | 0.1% | 15.6% |
| Pop. 1990 to Now | 11.6% | -4.9% | 30.8% |
| space4 | | | |
| Population Density | 2,424.8 | 2,392.6 | 93.4 |
| Land Area | 12.7 | 27.4 | 3,531,905.4 |
| Water Area | 0.1 | 0.2 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Bowling Green, OH | Muncie, IN | United States |
| Age 0 to 4 | 4.1% | 4.6% | 5.9% |
| Age 5 to 9 | 4.4% | 4.4% | 6.1% |
| Age 10 to 14 | 2.8% | 4.0% | 6.6% |
| Age 15 to 17 | 2.3% | 3.1% | 3.9% |
| Age 18 to 20 | 23.8% | 14.3% | 4.0% |
| Age 21 to 24 | 20.5% | 14.7% | 5.2% |
| Age 25 to 34 | 13.0% | 11.8% | 13.8% |
| Age 35 to 44 | 6.3% | 9.3% | 12.9% |
| Age 45 to 54 | 6.9% | 9.4% | 12.6% |
| Age 55 to 59 | 2.9% | 5.6% | 6.7% |
| Age 60 to 64 | 4.1% | 5.0% | 6.3% |
| Age 65 to 74 | 4.8% | 8.0% | 9.6% |
| Age 75 to 84 | 2.8% | 3.6% | 4.5% |
| Age 85 and over | 1.2% | 2.1% | 1.9% |
| space1 | | | |
| Race | | | |
| | Bowling Green, OH | Muncie, IN | United States |
| White | 81.5% | 80.1% | 59.4% |
| Black | 5.7% | 10.5% | 12.2% |
| Asian | 1.3% | 2.0% | 5.6% |
| Native American | 0.2% | 0.0% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.2% | 0.4% |
| Two or More Races | 4.8% | 3.9% | 3.2% |
| Hispanic | 6.5% | 3.4% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Bowling Green, OH | Muncie, IN | United States |
| Married Population | 23.6% | 30.2% | 49.8% |
| Currently Married | 22.5% | 28.7% | 48.0% |
| Married but Separated | 1.1% | 1.5% | 1.8% |
| Single Population | 76.4% | 69.8% | 50.2% |
| Never Married | 67.2% | 51.1% | 33.8% |
| Divorced | 5.9% | 13.2% | 10.8% |
| Widowed | 3.3% | 5.6% | 5.6% |
| space5 | | | |
| Household Size | 2.13 | 2.21 | 2.60 |
| Households | 11,865 | 26,435 | 124,010,992 |
| Family Households | 4,491 | 13,095 | 80,755,759 |
| Married couple, w/children | 22.0% | 19.7% | 30.5% |
| Married couple, no children | 42.8% | 39.1% | 42.9% |
| Non Family Households | 7,374 | 13,340 | 43,255,233 |
| Single householder, w/children | 25.8% | 24.9% | 15.8% |
| Single householder, no children | 9.4% | 16.3% | 10.8% |