Nortonville, KY has a population of 1,094 and is the 14,583rd largest city in the United States. The population density is 943 per sq mi which is 770% higher than the Kentucky average and 941% higher than the national average. The median age in Nortonville is 36 which is approximately 8% lower than the Kentucky average of 39. In Nortonville, 66% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 83% of Nortonville residents were born in Kentucky, 16% were born out of state, 0% were born outside of the United States and 0% were foreign born.