Flushing, OH has a population of 868 and is the 16,041st largest city in the United States. The population density is 1,415 per sq mi which is 449% higher than the Ohio average and 1461% higher than the national average. The median age in Flushing is 41 which is approximately 3% higher than the Ohio average of 39. In Flushing, 62% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 47% of Flushing residents were born in Ohio, 52% were born out of state, 1% were born outside of the United States and 0% were foreign born.