There's no way to tell. Atheists in the USA are more reluctant to say so than in most of the rest of the West, because in some parts of the USA it is a stigma. You can get a minimum number by using polls, but the real number would be higher.
Gallup have done some surveys on this. For example:
http://www.gallup.com/poll/108226/Republicans-Democrats-Differ-Creationism.aspx
shows that Republicans are more likely to believe in young-earth creationism - 60% of them. Whereas only 38% of Democrats shared that view.
Also according to the poll, Republicans are also more likely to attend church.
3 candidates in the 2008 Presidential Republican Primaries stated that they were creationists:
http://www.CNN.com/2007/POLITICS/06/05/debate.evolution/index.html
1
51 percent.
Percentage of democrat buisness owners on Wall Street
73% of Federal inmates consider themselves Democrats. State stats will be skewed according to their location.
According to a November 2009 poll. 15 percent of democrats are unemployed and 9.9 percent republicans are unemployed.
In US politics, it is unlikely that politicians are likely to admit to being atheist. However, some calculations can be made: Around 11% of the US population identify themselves as atheist, however around 21% of Democrat supports identify themselves as atheist so the percentage of Democratic party members is probably between those two numbers.
50
This is actually a trick question. The Democrats have actually never controlled the Wyoming legislature. Although during the Kennedy era they were very close with the highest percentage of democrats at 47%.
Islam is a religion that includes a belief in a supreme being therefore there are no Muslim atheists.
In the Trump Clinton election, 47.2% voted for Trump and 46.5% voted for Clinton.
According to a November 2009 poll. 15 percent of democrats are unemployed and 9.9 percent republicans are unemployed.
Agnostic Atheist