Berne, IN has a population of 3,982 and is the 7,469th largest city in the United States. The population density is 1,916 per sq mi which is 967% higher than the Indiana average and 2015% higher than the national average. The median age in Berne is 44 which is approximately 17% higher than the Indiana average of 37. In Berne, 64% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 80% of Berne residents were born in Indiana, 19% were born out of state, 0% were born outside of the United States and 1% were foreign born.