Morganfield, KY has a population of 3,571 and is the 7,954th largest city in the United States. The population density is 1,223 per sq mi which is 1028% higher than the Kentucky average and 1250% higher than the national average. The median age in Morganfield is 47 which is approximately 23% higher than the Kentucky average of 39. In Morganfield, 60% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 70% of Morganfield residents were born in Kentucky, 28% were born out of state, 1% were born outside of the United States and 1% were foreign born.