The Young Professional's Guide: With a median age of 40.0, Cranston is a hotspot for those looking to build a career in Rhode Island. The city supports a population of 82654 and maintains a median income of $77,145.00. If you aren't ready to commit to a $275,400.00 home purchase, the rental market—averaging $1,185.00—offers plenty of opportunities to find a room and a compatible housemate.