Lakeline, OH has a population of 243 and is the 23,557th largest city in the United States. The population density is 2,772 per sq mi which is 976% higher than the Ohio average and 2960% higher than the national average. The median age in Lakeline is 41 which is approximately 5% higher than the Ohio average of 39. In Lakeline, 60% of the population over 15 years of age are married, 91% speak English and 0% speak Spanish. 78% of Lakeline residents were born in Ohio, 14% were born out of state, 0% were born outside of the United States and 8% were foreign born.