"Poorly educated white folks"  

"Among whites, Trump won an overwhelming share of those without a college degree; and among white college graduates – a group that many identified as key for a potential Clinton victory – Trump outperformed Clinton by a narrow 4-point margin."  49% to 45%.

"Trump’s margin among whites without a college degree is the largest among any candidate in exit polls since 1980. Two-thirds (67%) of non-college whites backed Trump, compared with just 28% who supported Clinton, resulting in a 39-point advantage for Trump among this group."

"By 53% to 41%, more men supported Trump than Clinton"

"Older voters (ages 65 and older) preferred Trump over Clinton 53%-45%"

http://www.pewresearch.org/fact-tank/2016/11/09/behind-trumps-victory-divisions-by-race-gender-education/