Cities tweak house plans to retain millennials

Washington

CITIES and close-in suburbs looking to the future see a troubling trend: The millennials who rejuvenated their downtowns over the past decade are growing older and beginning to leave.

The oldest are hitting their mid-30s, with many starting their own families. Meanwhile, the sleek high-rise apartment buildings built for them as single, young professionals are no longer practical or affordable as they seek to buy homes with more space and privacy.