February 1, 2016
It really isn’t significant.
Why?
Because the votes in Iowa were restricted to registered Republican voters and a lot of them are sticking to the party line.
Trump’s support among Republicans is out on the periphery.
The Democrat establishment knows a lot of registered Democrats favor Trump. According to The Upshot by Civis Analytics, a Democratic data firm, Democrats in the South, Appalachia and the industrial North support Trump.
In early January Mercury Analytics, a research company with clients that include MSNBC and Fox News, conducted an online poll. It revealed a full 20% of Democrats said they would go against the party line and vote for Trump in a general election.