Falmouth, KY has a population of 2,608 and is the 9,584th largest city in the United States. The population density is 1,924 per sq mi which is 1675% higher than the Kentucky average and 2023% higher than the national average. The median age in Falmouth is 40 which is approximately 3% higher than the Kentucky average of 39. In Falmouth, 52% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 83% of Falmouth residents were born in Kentucky, 16% were born out of state, 0% were born outside of the United States and 1% were foreign born.