National Harbor, Maryland. (Photo by Brendan Ross)

Home to some of the richest black communities in America, Maryland continues to top a list that ranks states (and D.C.) based on the percentage of millionaire households.

According to Phoenix Marketing International of New York, 7.5 percent of homes in the Old Line State housed people with $1 million or more in investable assets in 2016. That puts Maryland at the top of the company’s “Phoenix Wealth & Affluent Monitor”—a position it’s held since 2011.

Virginia comes in at number 8, the same as last year, and the District follows at number 9, which is one position up from 2015.

Across the country, nearly 6.8 million households, or 5.5 percent of all American homes, had residents with at least $1 million or more in assets, according to the report.

The company, which does marketing work in sectors like finance and healthcare, based its rankings on several sources including the Survey of Consumer Finance and Nielsen Claritas.

Earlier this year, MRIS released its annual list of the 10 most costly homes sold in D.C. and its neighboring Maryland and Virginia suburbs. Much of the was comprised of homes in Northwest, but there was also one in McLean, Va., another in Bethesda, and the least expensive house on the list, at $5.4 million, was in Potomac, Md.

Census data shows that 12 percent of homeowners in D.C. own a house worth more than a million dollars, according to a recent WAMU report. But many of these people purchased their homes about a decade ago when prices were drastically cheaper. These homeowners average $250,000 a year, which is more than three times the city’s average income per household, but they are still “not the super wealthy.”