Riverbend, MT has a population of 529 and is the 19,203rd largest city in the United States. The population density is 134 per sq mi which is 1867% higher than the Montana average and 48% higher than the national average. The median age in Riverbend is 48 which is approximately 21% higher than the Montana average of 40. In Riverbend, 48% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 43% of Riverbend residents were born in Montana, 57% were born out of state, 0% were born outside of the United States and 0% were foreign born.