Percentage of New York City voters who support the creation of municipally owned grocery stores in the city, including 72 percent of Democrats, 64 percent of independents and 54 percent of Republicans, according to a March poll for the Climate and Community Institute conducted by Data for Progress. If he wins the general election this November, Zohran Mamdani, the Democratic nominee for mayor, has said he will build a network of municipally owned, affordable grocery stores, one in each of the city’s five boroughs.