Rives, MO has a population of 57 and is the 28,000th largest city in the United States. The population density is 156 per sq mi which is 81% higher than the Missouri average and 72% higher than the national average. The median age in Rives is 39 which is approximately 3% higher than the Missouri average of 38. In Rives, 40% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 77% of Rives residents were born in Missouri, 23% were born out of state, 0% were born outside of the United States and 0% were foreign born.