What is the third blue state with a Democratic stronghold other than California and New York?
Red states and blue states Since the 2000 United States presidential election, red states and blue states have referred to states of the United States whose residents predominantly vote for either the Republican Party (red) or Democratic Party (blue) presidential candidates. Since then, the use of the term has been expanded to differentiate between states being perceived as liberal and those perceived as conservative.
Indiana Democratic primary, 2016 The 2016 Indiana Democratic primary took place on May 3 in the U.S. state of Indiana as one of the Democratic Party's primaries ahead of the 2016 presidential election.