Beaver Dam, KY has a population of 3,586 and is the 7,934th largest city in the United States. The population density is 1,188 per sq mi which is 996% higher than the Kentucky average and 1211% higher than the national average. The median age in Beaver Dam is 40 which is approximately 3% higher than the Kentucky average of 39. In Beaver Dam, 52% of the population over 15 years of age are married, 92% speak English and 8% speak Spanish. 79% of Beaver Dam residents were born in Kentucky, 13% were born out of state, 0% were born outside of the United States and 8% were foreign born.