This graph shows the percentages of voters at the elections since the 1800's.
This map shows the parts of Pennsylvania which were mostly Republicans, and other parts which were Democrat. The majority was obviously the Republican vote.
In cities where the majority was Republican, the voter turnout was obviously much lower for Democrats. Here you can see in Potter County, 80.3% people showed up to vote for Donald Trump, while only 16.7% came to vote for Hillary Clinton.
This graph shows the voter turnout by age since 1984. As you can see, ages 60+ are the highest percentage of voters who showed up, compared to 18-29, who were the lowest.
This is showing who Muslims voted for in the 2016 election, and as you can see the percentage is much higher for Hillary Clinton and Bernie Sanders than it is for Donald Trump.