This document contains data on Twitter metrics and likes for several US presidential candidates from April 2015 to December 2015. It shows the number of tweets, followers, sum of likes, and sum of shares for Trump, Sanders, Paul, Cruz, Fiorina, Clinton, Bush and Carson. Additionally, it shows relationships between average monthly Twitter likes and support rates for Clinton and Sanders, with Sanders requiring about 97 average monthly likes for every 1% increase in support.