More than half of Americans don't know the number of Senators;
About 1 out of 3 don't know the number of branches of the Federal Government;
1 out of 6 believe that the Constitution establishes America as a Christian nation;
20% believe that only lawyers can understand the Constitution;
Almost one-quarter cannot name a single right guaranteed to us by the First Amendment;
84% believe that the U.S. Constitution is the document that states that "all men are created equal", thus confusing it with the Declaration of Independence
Only 6% can name all four rights guaranteed by the First Amendment. (24% cannot name even one. 27% can only name one. 43% can name two or three.)
62% cannot name all three branches of the Federal government. (One-third cannot name even one. 14% can only name one. 15% can name two.)
35% believe that the Constitution mandates English as the official language.
Only 7% can correctly identify the Constitutional Convention as the authors.
4 in 5 do not know how many amendments there are to the Constitution.
1 in 5 do not know that the President is Commander-in-Chief of the U.S. Armed Forces.
32% believe that John Hancock had a hand in drafting the Constitution.
Highlights of Survey - National Constitution Center
I doubt those are all Democrats, don't you? Especially those 1 in 6 who believe the Constitution establishes America as a Christian nation.