Amongst Jewish Americans, the site reports an even lower approval rate of just 31 per cent.
The Trump administration announced on March 6 their new healthcare plan which would replace Obamacare, which the president touted as a failure.
House Speaker Paul Ryan said: "The American Health Care Act is a plan to drive down costs, encourage competition, and give every American access to quality, affordable health insurance.
"It protects young adults, patients with pre-existing conditions, and provides a stable transition so that no one has the rug pulled out from under them."
Republicans, however, have received criticism over many aspects of the legislation, which will go to a vote on Thursday.