Westboro, MO has a population of 201 and is the 24,416th largest city in the United States. The population density is 794 per sq mi which is 819% higher than the Missouri average and 776% higher than the national average. The median age in Westboro is 32 which is approximately 17% lower than the Missouri average of 38. In Westboro, 62% of the population over 15 years of age are married, 93% speak English and 2% speak Spanish. 43% of Westboro residents were born in Missouri, 51% were born out of state, 4% were born outside of the United States and 2% were foreign born.