Campbell, OH has a population of 8,040 and is the 4,663rd largest city in the United States. The population density is 2,166 per sq mi which is 741% higher than the Ohio average and 2291% higher than the national average. The median age in Campbell is 41 which is approximately 4% higher than the Ohio average of 39. In Campbell, 47% of the population over 15 years of age are married, 82% speak English and 11% speak Spanish. 73% of Campbell residents were born in Ohio, 17% were born out of state, 5% were born outside of the United States and 4% were foreign born.