The Roommate Index is an estimate of this population, and unsurprisingly, the top cities are considered some of the most expensive for rent. According the estimate, Arlington snagged the no. 2 spot and Washington, D.C. wasn’t too far behind at no. 5. The cities were ranked to have 23 percent and 21 percent, respectively, of their populations within the age bracket living with roommates.
- Arlington ranked no. 2 city with the most renters living with roommates between 18 and 39 years old, and no. 3 with the most between 30 and 39
- DC renters living with roommates between 18 and 39 years old make up 21 percent of its population