DSA Scales Up: NYC House Primaries Test Whether Mamdani's Mayoral Win Was Replicable

The Democratic Socialists of America fielded their largest coordinated slate in a single city and cycle across New York's House primaries on June 22, modeled on Zohran Mamdani's 2025 mayoral primary victory. Mamdani's win showed left-populist organizing could clear a crowded field without centrist consolidation—a structural lesson the NYC-DSA absorbed. The outcome will test whether that formula scales to congressional races or remains tied to a singular candidate effect.