Boston is the capital and most populous city of the U.S. state officially named the Commonwealth of Massachusetts. The largest city in New England, Boston is often considered to be the unofficial economic and cultural center of the New England region. The city of Boston had an estimated population of 590,763 in 2006; however, the city lies at the center of America's eleventh-largest metropolitan area, known as Greater Boston, which is home to over 4.4 million people, and fifth-largest Combined Statistical Area, which includes the nearby cities of Worcester, Providence, and Manchester, and a population of.4 million. Residents of Boston are called Bostonians. Boston apartments for rent comparison page shows most up to date rent information on Boston apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.