Rockford, AL has a population of 618 and is the 18,264th largest city in the United States. The population density is 187 per sq mi which is 103% higher than the Alabama average and 106% higher than the national average. The median age in Rockford is 48 which is approximately 25% higher than the Alabama average of 39. In Rockford, 50% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 84% of Rockford residents were born in Alabama, 16% were born out of state, 0% were born outside of the United States and 0% were foreign born.