Lockland, OH has a population of 3,435 and is the 8,142nd largest city in the United States. The population density is 2,790 per sq mi which is 983% higher than the Ohio average and 2980% higher than the national average. The median age in Lockland is 36 which is approximately 8% lower than the Ohio average of 39. In Lockland, 33% of the population over 15 years of age are married, 75% speak English and 10% speak Spanish. 64% of Lockland residents were born in Ohio, 20% were born out of state, 0% were born outside of the United States and 15% were foreign born.