This lead among independent/non-party affiliated voters for Trump is also found in polls where Clinton leads overall. For example, in the most recent poll of national voters from Public Policy Polling, Clinton leads Trump 46 percent to 41 percent. Among independent voters, however, Trump leads 42 percent to 35 percent.
In another recent national poll from CNN/ORC, Trump leads Clinton 44 percent to 39 percent. This poll has Trump leading Clinton by 18 percent among independents, 46 percent to 28 percent. Libertarian candidate Gov. Gary Johnson has 15 percent of the independent support in this poll.
A poll of voters nationally released last week from YouGov has Clinton ahead of Trump 40 percent to 38 percent. That same poll has Trump leading with independent voters 38 percent to 26 percent.