The survey, which was released early Sunday, found that 41 percent of Americans said the president should be impeached based on what they have read or heard.
A majority of Americans, 54 percent, said they do not feel Trump should be impeached.
The increased percentage favoring impeachment largely stems from growing Democratic support for it.
Seventy-six percent of Democratic respondents said they support impeaching Trump, an 8 percentage point increase from April.
The public's split on impeachment comes as an increasing number of Democratic lawmakers call for Congress to launch an impeachment inquiry of Trump.
Mueller's investigation did not find sufficient evidence to conclude a conspiracy between the Trump campaign and Moscow took place.
The report said Mueller was unable to make a conclusive determination on whether Trump obstructed justice. »