La Porte, IN has a population of 21,876 and is the 1,990th largest city in the United States. The population density is 1,874 per sq mi which is 944% higher than the Indiana average and 1968% higher than the national average. The median age in La Porte is 37 which is approximately 2% lower than the Indiana average of 37. In La Porte, 52% of the population over 15 years of age are married, 91% speak English and 8% speak Spanish. 68% of La Porte residents were born in Indiana, 27% were born out of state, 1% were born outside of the United States and 4% were foreign born.