Sterling, OH has a population of 390 and is the 21,014th largest city in the United States. The population density is 399 per sq mi which is 55% higher than the Ohio average and 341% higher than the national average. The median age in Sterling is 39 which is approximately 2% lower than the Ohio average of 39. In Sterling, 43% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 94% of Sterling residents were born in Ohio, 6% were born out of state, 0% were born outside of the United States and 0% were foreign born.