The nation's capitol—Washington, D.C.—has three times the density of same-sex couple households as the nation as a whole, according to data released by the U.S. Census Bureau.
In 2019, according to the bureau, 0.8 percent of all households in the United States were headed by a person in a same-sex relationship. At the same time, 2.4 percent of the households in Washington, D.C. were headed by a person in a same-sex relationship.
“Households are identified as same-sex couple households if a spouse or unmarried partner is the same sex as the householder,” the Census Bureau explains.
Nationwide in 2019, the Census Bureau reported, there were 122,802,852 households in the United States. Of these, less than a million—or 980,276—were same-sex households.
Washington, D.C. had a total of 291,570 households in 2019 and 7,003 of these—or 2.4 percent—were same-sex households.
States and the District of Columbia Ranked by the Percentage of Households That Are Same-Sex Households
Washington, D.C.’s percentage of same-sex households was significantly higher than any state in the union.
Among states, according to the Census Bureau, Delaware had the highest percentage of same-sex households with 1.3 percent. Massachusetts and Oregon both ranked next with 1.2 percent each. Washington state came after that with 1.0 percent. Then came California, Florida, Maine, Nevada, New Hampshire, New Mexico and Vermont—all of which had 1.0 percent same-sex households.
North Dakota had the smallest percentage (0.2 percent) of same-sex households, followed by Montana (0.3 percent), which had the second smallest percentage. West Virginia, South Dakota and Mississippi were third lowest, each having 0.4 percent same-sex households.
Measure in raw numbers, California had the largest number of same-sex households with 135,856. Florida was second with 78,821, and Texas was third with 77,134.
Using its 2017 numbers—rather than its 2019 numbers—the Census Bureau ranked some major cities by the percentage of its households that were same-sex households. In that year, according to the Census Bureau, San Francisco had the highest percentage of same-sex households at 3.0 percent and Washington, D.C., had the second highest with 2.9 percent. Portland, Ore., was third with 2.1 percent and Seattle, Wash., was fourth with 2.0 percent.