It’s a historic year for D.C. statehood: a bill that would make D.C. the 51st state has a record-breaking number of sponsors and co-sponsors in the House of Representatives, and the lower chamber has scheduled a hearing on the measure for the first time since 1993.

But even as statehood breaks new ground in government, average Americans apparently remain unconvinced. A full 64 percent of Americans don’t think the District of Columbia should be a state, according to a new Gallup poll released Monday. Only 29 percent are in favor of the idea.

The poll is in line with past studies on the issue, which have generally found Americans to be unsupportive of statehood for D.C., according to Gallup. A Rasmussen Reports poll in 2013 showed that only 25 percent of Americans were in favor, and a 1989 Washington Post poll found that 31 percent were in favor.

Only 14 and 15 percent of conservatives and Republicans, respectively, support statehood for the District, mirroring the position of most GOP politicians. Just last month, Sen. Mitch McConnell likened it to “full-bore socialism,” while John Kasich has admitted that he’s opposed because it would give more votes to the Democratic Party. Liberals and Democrats were more likely to support the idea, the survey found, but a majority of both (50 and 51 percent, respectively) still oppose D.C. statehood.

Support was greatest in the eastern part of the U.S.—the poll found that 38 percent of residents in this part of the country are in favor of statehood, compared to only about 28 percent in other regions. Interestingly, both Democrats and Republicans in the eastern United States were more supportive of D.C. statehood than either Democrats or Republicans in other regions.

This regional difference is likely at least in part because “those in the Eastern U.S. may be more familiar with the arguments for and against making D.C. a state than those living farther away from it,” according to Gallup. (In recent years, activists and city officials have made a concerted effort to reach voters in other states with messages about statehood.)

The results of the poll are based on telephone interviews conducted with 1,108 adults from June 19 to 30, 2019. The respondents lived in all 50 states, and it has a margin of error of plus or minute 4 percentage points, according to Gallup.

The House Oversight and Reform Committee’s hearing on a statehood bill was set for July 24, but D.C. Delegate Eleanor Holmes Norton announced on Saturday that the hearing will be postponed until the fall special counsel Robert Mueller’s scheduled testimony before the House on that day. The new hearing likely won’t take place until September, according to Norton’s office.

Norton said in a statement Monday that the results “[reinforce] our view that the majority of Americans are still unaware that D.C. residents do not have equal representation in their own national government.” She pointed out that the survey didn’t explain that “D.C. residents pay the highest federal taxes per capita in the nation and do not have representation.” And she said that “Congress has acted before to right historical wrongs before polls showed that the American public was on board. For example, in 1961, Gallup found that only 22% of Americans approved of the Freedom Riders during the Civil Rights Movement.”

Mayor Muriel Bowser also released a statement on the poll Tuesday: “The Gallup poll was a missed opportunity. The one question asked lacked any context and failed to say anything about D.C.’s lack of voting representation in Congress. We do not believe it accurately reflects the growing view among Americans that D.C. residents, including our 30,000 veterans, deserve the same rights enjoyed by all other Americans,” it says.

Despite consistently opposing statehood across several polls, Americans are apparently more amenable to the idea of giving District residents a voting delegate in Congress—a 2007 Washington Post-ABC poll found that 61 percent of Americans were in support of that idea.

This story has been updated with comment from D.C. Delegate Eleanor Holmes Norton and Mayor Muriel Bowser.