This is interesting, yet there should be less bias. 

The issue with the polls is that you have to question their methodology and more specifically how they obtained their information and whether or not their polls represented a random sampling of households within Virginia. 

It all depends on the population sampled.  If the population isn't random, then your results will be skewed by the underlying bias within the population.  Trump's victory was a surprise because the polls didn't account for the fact that many who voted for Trump shunned the pollsters so that his base was under reported.