St. Francisville, LA has a population of 2,064 and is the 10,835th largest city in the United States. The population density is 1,134 per sq mi which is 1179% higher than the Louisiana average and 1152% higher than the national average. The median age in St. Francisville is 35 which is approximately 3% lower than the Louisiana average of 36. In St. Francisville, 44% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 77% of St. Francisville residents were born in Louisiana, 21% were born out of state, 1% were born outside of the United States and 0% were foreign born.