I will be pleased to wait 7 days, and I withdraw my previous statement.
Here are some results from Gallup showing that between 9 and 13% of Americans believe in evolution.
Here is the source where the table formatting remains intact.
1982 to 2004: Gallup polls:
The Gallup Organizations periodically asks randomly selected American adults about their beliefs on evolution and creation. They have conducted a poll of U.S. adults on at least six occasions between 1982 and 2004. By keeping the wording of their questions identical, each year’s results are comparable to the others. This facilitates the detection of trends. 10
Belief system> Creationist view Theistic evolution Naturalistic Evolution
Beliefs—>
Year
God created man pretty much in his present form at one time within the last 10,000 years. Man has developed over millions of years from less advanced forms of life, but God guided this process, including man’s creation. Man has developed over millions of years from less advanced forms of life. God had no part in this process.
1982-JUL 44% 38% 9%
1993-JUN 47 35 11
1997-NOV 44 39 10
1999-AUG 47 40 9
2001-FEB 45 37 12
2004-NOV 45 38 13