Rush Hill, MO has a population of 186 and is the 24,777th largest city in the United States. The population density is 1,036 per sq mi which is 1051% higher than the Missouri average and 1044% higher than the national average. The median age in Rush Hill is 32 which is approximately 16% lower than the Missouri average of 38. In Rush Hill, 53% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 90% of Rush Hill residents were born in Missouri, 6% were born out of state, 4% were born outside of the United States and 0% were foreign born.