Red Bay, AL has a population of 3,127 and is the 8,594th largest city in the United States. The population density is 321 per sq mi which is 249% higher than the Alabama average and 254% higher than the national average. The median age in Red Bay is 42 which is approximately 8% higher than the Alabama average of 39. In Red Bay, 59% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 64% of Red Bay residents were born in Alabama, 34% were born out of state, 0% were born outside of the United States and 1% were foreign born.