Democratic socialist Zohran Mamdani cast his vote in Queens early Tuesday in his fight to become the Big Apple’s next mayor – as the lefty candidate stressed the need for more housing across all five boroughs.

The 34-year-old was flanked by his artist wife, Rama Duwaji, as they arrived holding hands at the polling booth at Astoria’s Frank Sinatra High School just after 8 a.m.

After repeatedly dodging questions throughout the campaign , Mamdani revealed he voted “yes” on the first five ballot measures – including the housing proposals.

The only measure he voted against – measure 6 – would switch mayoral elections to presidential years.

Polling locations across all five boroughs opened at 6 a.m. and will and keep collecting ballots until 9 p.m. — bringing an end to a dramatic and whi

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