Ridgeville, IN has a population of 531 and is the 19,189th largest city in the United States. The population density is 957 per sq mi which is 433% higher than the Indiana average and 957% higher than the national average. The median age in Ridgeville is 40 which is approximately 7% higher than the Indiana average of 37. In Ridgeville, 63% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 86% of Ridgeville residents were born in Indiana, 13% were born out of state, 0% were born outside of the United States and 0% were foreign born.