Brad Lander holds a commanding lead in the June 23 Democratic primary for New York’s 10th Congressional District due to his strong positioning in a progressive-leaning area covering lower Manhattan and parts of Brooklyn. Recent polling shows him ahead by roughly 34 points over incumbent Dan Goldman, building on earlier surveys and reflecting Lander’s endorsements from local progressive leaders including Mayor Zohran Mamdani and his appeal on economic and foreign policy issues. Goldman has countered with significant campaign spending, but trader consensus on Polymarket aligns with Lander’s path to victory through superior grassroots support and district alignment. With the primary just days away, only an unforeseen shift in turnout or late-breaking development would realistically alter the outcome.