Riverside, AL has a population of 2,018 and is the 10,974th largest city in the United States. The population density is 233 per sq mi which is 153% higher than the Alabama average and 157% higher than the national average. The median age in Riverside is 41 which is approximately 6% higher than the Alabama average of 39. In Riverside, 69% of the population over 15 years of age are married, 91% speak English and 2% speak Spanish. 67% of Riverside residents were born in Alabama, 25% were born out of state, 1% were born outside of the United States and 7% were foreign born.