New York City Democratic Mayor Zohran Mamdani is more popular than ever about a month after his inauguration, according to a new poll from the Siena Research Institute. The statewide finding marks a new peak for Mamdani’s standing since he emerged as a leading figure in city politics, offering an early glimpse of how New Yorkers beyond the five boroughs are assessing his work as mayor. The trend also followed a series of 2025 polls that showed Mamdani leading the New York City mayoral race and