Crittenden, KY has a population of 3,843 and is the 7,623rd largest city in the United States. The population density is 1,129 per sq mi which is 941% higher than the Kentucky average and 1146% higher than the national average. The median age in Crittenden is 32 which is approximately 18% lower than the Kentucky average of 39. In Crittenden, 56% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 61% of Crittenden residents were born in Kentucky, 38% were born out of state, 0% were born outside of the United States and 1% were foreign born.