What is the third blue state with a Democratic stronghold other than California and New York?
Political party strength in New York: New York is a Democratic stronghold and one of the "big three" Democratic states alongside California and Illinois. 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.
Illinois