Fidelity, MO has a population of 235 and is the 23,726th largest city in the United States. The population density is 243 per sq mi which is 181% higher than the Missouri average and 168% higher than the national average. The median age in Fidelity is 44 which is approximately 14% higher than the Missouri average of 38. In Fidelity, 65% of the population over 15 years of age are married, 97% speak English and 0% speak Spanish. 62% of Fidelity residents were born in Missouri, 35% were born out of state, 0% were born outside of the United States and 3% were foreign born.