St. Paul, IN has a population of 1,111 and is the 14,506th largest city in the United States. The population density is 3,718 per sq mi which is 1971% higher than the Indiana average and 4003% higher than the national average. The median age in St. Paul is 36 which is approximately 3% lower than the Indiana average of 37. In St. Paul, 56% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 89% of St. Paul residents were born in Indiana, 11% were born out of state, 0% were born outside of the United States and 0% were foreign born.