Fortescue, MO has a population of 13 and is the 28,922nd largest city in the United States. The population density is 169 per sq mi which is 95% higher than the Missouri average and 86% higher than the national average. The median age in Fortescue is 46 which is approximately 19% higher than the Missouri average of 38. In Fortescue, 50% of the population over 15 years of age are married, 83% speak English and 0% speak Spanish. 69% of Fortescue residents were born in Missouri, 31% were born out of state, 0% were born outside of the United States and 0% were foreign born.