Cumberland, IN has a population of 5,422 and is the 6,120th largest city in the United States. The population density is 2,279 per sq mi which is 1169% higher than the Indiana average and 2415% higher than the national average. The median age in Cumberland is 37 which is approximately 1% lower than the Indiana average of 37. In Cumberland, 53% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 82% of Cumberland residents were born in Indiana, 16% were born out of state, 0% were born outside of the United States and 2% were foreign born.