Metro

Millennials: the boomerang generation, indeed

FILE - In this Saturday, May 31, 2014, file photo, members of the graduating class and faculty attend the Savannah College of Art and Design commencement in Atlanta. For the first time on record, living with parents is now the most common arrangement for Americans ages 18 to 34, an analysis of Census data by the Pew Research Center has found. The sharp shift reflects a long-running decline in marriage age, amplified by the economic upheavals of the Great Recession. The trend has been particularly evident among Americans who lack a college degree. (AP Photo/John Amis, File)
John Amis/AP/file 2014
Millennials are still living at home with their parents, according to newly released census data.

Boomerang generation, indeed.

More than one-third of adults ages 18 to 34 in the United States lived in their parents’ homes during 2015, according to newly released census data.

It was by far the most common of the living arrangements the Census Bureau surveyed. About 24 percent of the age group, known as millennials, were living with their spouse in a home they either owned or rented, and another 10 percent were living together without being married.

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Among the cohort, 13 percent lived with relatives other than their parents, 12 percent lived with nonrelatives, and 7 percent lived alone.

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In Massachusetts, 37 percent of millennials lived in their parents’ homes, the ninth-highest rate in the country. The highest rate was in New Jersey, with close to 47 percent, followed by Connecticut, New York, and Maryland.

In 2014, about 32 percent of adults ages 18 to 34 lived with their parents, according to the Pew Research Center. It marked the first time in more than 130 years that the age group was more likely to be living in parents’ homes than with a spouse or partner in their own households.

When Pew researchers unveiled their findings in May, they said the growing number of young adults living at home was a long-running trend that predated the 2008 recession.

“A variety of factors contribute to the long-run increase in the share of young adults living with their parents,” researchers wrote. Economic changes had probably played a role, but the “postponement of, if not retreat from, marriage” was the primary factor, the study found.

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“The median age of first marriage has risen steadily for decades,” they said. “In addition, a growing share of young adults may be eschewing marriage altogether.”

In June, Pew researchers released additional findings showing the increase in millennials living at home was driven by 25- to 34-year-olds and noncollege graduates.

“Despite the popular image of college-educated adults moving back into the family nest after graduation, young adults with at least a bachelor’s degree are the least likely to live with their parents,” researchers wrote.

Matt Rocheleau can be reached at matthew.rocheleau@globe.com. Follow him on Twitter @mrochele