Prosperous places like Columbus and Carmel ... some affluent highly educated workers to growing cities or high-income suburbs to change that picture.

Swanbourne is a prosperous suburb hailed by local real estate agents for its “easy living”, parklands and beautiful beach.

Though the suburb only has an estimated population ... where residents earn a prosperous median income of $187,603 a year. The average home in Prosper is worth $823,356, according to the study.

During the past 30 years, the Japanese city, Kawachinagano, Osaka, has witnessed Carmel grow from a small suburb of around 36,000 to over 100,000 people and become one of Indiana's prosperous ...