Why Cities Stay Blue and What Republicans Are Doing About It Republicans have spent decades insisting that Democratic governance destroys cities. But no one can prove their point. As of March 2026, 67 of the 100 largest cities in the United States have Democratic mayors. That number has held steady since at least 2016, fluctuating by only a handful of seats in either direction regardless of national political conditions. New York, Los Angeles, Chicago, Houston, Philadelphia,