Of those, nearly half will be in the 25-34 age bracket that dominates the first-time buyer market. The study cautioned, however, that the numbers depend importantly on mortgage availability, given the limited incomes of many minorities.
In the decade between 1993 and 2013, the study found, the white share of first-time homebuyers fell from 86% to 77%. At the same time, the Hispanic share grew from 4% to 9%, and the "Asian/Other" share increased from 2% to 6%.
The age composition of households is also due to change. With the aging of the baby boomer generation, the number of households aged 65 and older is likely to increase by 10.7 million by 2025, the study said.
At the same time, the forecasts project a shift into homeownership from so-called millennials - young adults currently in their 20s - many of whom have chosen to live with their parents even though they are employed. Their decision to stay home since the U.S. housing bubble burst is one factor cited for the nation's 18-year-low homeownership rate.
But millenials, more racially diverse than previous generations, will also be behind the diversification of households. According to the report, "45% [of millenials] are minorities, compared with 41% of gen-Xers and 28% of baby boomers. On the strength of their numbers alone, millenials will increase the racial and ethnic diversity of US households."
As they enter their 30s, the study predicts members of this generation will increasingly strike out on their own, increasing households by 2.7 million over the next decade. Rising student debt could delay the shift, however, the study warned.