Crab Orchard, KY has a population of 877 and is the 15,973rd largest city in the United States. The population density is 502 per sq mi which is 363% higher than the Kentucky average and 454% higher than the national average. The median age in Crab Orchard is 39 which is approximately 1% higher than the Kentucky average of 39. In Crab Orchard, 55% of the population over 15 years of age are married, 94% speak English and 4% speak Spanish. 86% of Crab Orchard residents were born in Kentucky, 12% were born out of state, 0% were born outside of the United States and 2% were foreign born.