“The economy is always going to be the biggest thing for me,” Diane Jacobs, 57, said in an interview outside a Wegmans grocery store in Warrington. Ms. Jacobs, who said that she typically votes for Republicans, identifies as “pro-life” but does not believe abortion should be illegal. She also voted for Mr. Biden in 2020, she said, as an antidote to divisiveness. But Ms. Jacobs said she would not do so again and planned on supporting Republicans this year.

“Just look at inflation,” she said.

Some voters are not yet aware of the implications of overturning Roe, which are unfolding day-by-day and state-by-state. Democrats may have room to expand their support on the issue as voters learn more. Republicans, however, may ultimately benefit if many voters who disagree with the decision don’t dive in on the details. Ms. Jacobs said she had not heard of Republicans in the area who wanted to outlaw the procedure.

“If there was a presidential candidate who said they wanted to outlaw it in every single case, I don’t know that I’d vote for that person,” she said. “That’s pretty extreme.”