Ritchey, MO has a population of 83 and is the 27,348th largest city in the United States. The population density is 1,693 per sq mi which is 1860% higher than the Missouri average and 1769% higher than the national average. The median age in Ritchey is 42 which is approximately 9% higher than the Missouri average of 38. In Ritchey, 72% of the population over 15 years of age are married, 89% speak English and 1% speak Spanish. 54% of Ritchey residents were born in Missouri, 42% were born out of state, 0% were born outside of the United States and 4% were foreign born.