McKittrick, MO has a population of 87 and is the 27,270th largest city in the United States. The population density is 987 per sq mi which is 1043% higher than the Missouri average and 990% higher than the national average. The median age in McKittrick is 42 which is approximately 10% higher than the Missouri average of 38. In McKittrick, 49% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of McKittrick residents were born in Missouri, 8% were born out of state, 0% were born outside of the United States and 0% were foreign born.