Mamdani's Historic Upset: Unpacking the NYC Mayoral Primary Results

New York City witnessed a significant political shift in the 2025 Democratic primary for mayor, as Zohran Mamdani secured an unexpected victory over former Governor Andrew Cuomo. NBC News' Steve Kornacki provided a detailed breakdown of the election results, highlighting the key factors that led to Mamdani's upset.Kornacki's analysis revealed Mamdani's strong performance across several key New York City boroughs. While his wins in Manhattan and Brooklyn were anticipated, a notable surprise came from Queens, a traditional stronghold for the Cuomo family, where Mamdani secured an 8-point lead.Further insights from the data indicate a clear demographic divide. Mamdani garnered significant support from younger voters and neighborhoods with higher concentrations of post-graduate degrees, such as Morningside Heights and Park Slope. Conversely, Cuomo found stronger backing among older voters and in areas with larger African American populations, like Laurelton. This election underscores evolving voter coalitions and the impact of demographic shifts on urban political landscapes.