Rainsville, AL has a population of 4,986 and is the 6,498th largest city in the United States. The population density is 242 per sq mi which is 163% higher than the Alabama average and 167% higher than the national average. The median age in Rainsville is 43 which is approximately 10% higher than the Alabama average of 39. In Rainsville, 63% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 78% of Rainsville residents were born in Alabama, 18% were born out of state, 0% were born outside of the United States and 5% were foreign born.