Hardyville, KY has a population of 344 and is the 21,712th largest city in the United States. The population density is 545 per sq mi which is 403% higher than the Kentucky average and 502% higher than the national average. The median age in Hardyville is 44 which is approximately 13% higher than the Kentucky average of 39. In Hardyville, 72% of the population over 15 years of age are married, 94% speak English and 0% speak Spanish. 83% of Hardyville residents were born in Kentucky, 17% were born out of state, 0% were born outside of the United States and 0% were foreign born.