| | Johnstown, OH | Akron, OH | United States |
| Population | 5,141 | 191,483 | 329,725,481 |
| Female Population | 50.4% | 52.1% | 50.5% |
| Male Population | 49.6% | 47.9% | 49.5% |
| Median Age | 33.2 | 36.8 | 38.4 |
| space3 | | | |
| Population - 2010 | 4,656 | 198,949 | 309,327,143 |
| Population - 2000 | 3,440 | 217,074 | 285,036,114 |
| Population - 1990 | 3,237 | 223,019 | 251,960,433 |
| Pop. 2000 to Now | 49.0% | -9.7% | 15.6% |
| Pop. 1990 to Now | 58.4% | -12.1% | 30.8% |
| space4 | | | |
| Population Density | 1,722.3 | 3,091.8 | 93.4 |
| Land Area | 3.0 | 61.9 | 3,531,905.4 |
| Water Area | 0.0 | 0.3 | 264,836.8 |
| space | | | |
| Est. Total Population By Age | | | |
| | Johnstown, OH | Akron, OH | United States |
| Age 0 to 4 | 8.0% | 6.2% | 5.9% |
| Age 5 to 9 | 7.5% | 6.1% | 6.1% |
| Age 10 to 14 | 6.3% | 5.4% | 6.6% |
| Age 15 to 17 | 4.7% | 3.7% | 3.9% |
| Age 18 to 20 | 3.3% | 4.9% | 4.0% |
| Age 21 to 24 | 7.4% | 6.5% | 5.2% |
| Age 25 to 34 | 15.6% | 15.2% | 13.8% |
| Age 35 to 44 | 16.2% | 11.6% | 12.9% |
| Age 45 to 54 | 5.8% | 12.2% | 12.6% |
| Age 55 to 59 | 4.9% | 6.7% | 6.7% |
| Age 60 to 64 | 5.8% | 6.7% | 6.3% |
| Age 65 to 74 | 10.9% | 9.2% | 9.6% |
| Age 75 to 84 | 2.6% | 3.7% | 4.5% |
| Age 85 and over | 1.0% | 2.0% | 1.9% |
| space1 | | | |
| Race | | | |
| | Johnstown, OH | Akron, OH | United States |
| White | 94.2% | 56.4% | 59.4% |
| Black | 0.6% | 29.9% | 12.2% |
| Asian | 0.0% | 4.3% | 5.6% |
| Native American | 0.0% | 0.1% | 0.6% |
| Hawaiian, Pacific Islander | 0.0% | 0.0% | 0.2% |
| Other | 0.0% | 0.4% | 0.4% |
| Two or More Races | 1.8% | 5.6% | 3.2% |
| Hispanic | 3.3% | 3.2% | 18.4% |
| space2 | | | |
| Marriage & Family | | | |
| | Johnstown, OH | Akron, OH | United States |
| Married Population | 50.5% | 35.8% | 49.8% |
| Currently Married | 50.5% | 33.1% | 48.0% |
| Married but Separated | 0.0% | 2.8% | 1.8% |
| Single Population | 49.5% | 64.2% | 50.2% |
| Never Married | 34.1% | 44.2% | 33.8% |
| Divorced | 12.0% | 14.6% | 10.8% |
| Widowed | 3.4% | 5.4% | 5.6% |
| space5 | | | |
| Household Size | 2.65 | 2.23 | 2.60 |
| Households | 1,937 | 83,538 | 124,010,992 |
| Family Households | 1,369 | 43,861 | 80,755,759 |
| Married couple, w/children | 36.4% | 17.9% | 30.5% |
| Married couple, no children | 36.5% | 35.8% | 42.9% |
| Non Family Households | 568 | 39,677 | 43,255,233 |
| Single householder, w/children | 15.5% | 30.7% | 15.8% |
| Single householder, no children | 11.6% | 15.7% | 10.8% |