All 51 seats on the City Council will be up for grabs in November, and in nearly every district, there are multiple candidates competing in Democratic primaries. Eight races are for open seats, and the themes of many of these contests mirror the battles playing out at the mayoral level, with affordability a key issue.

The only New York City councilmember to represent a portion of Brooklyn, Inna Vernikov, beat her primary challenger, Ari Kagan, in the GOP primary Tuesday night. Vernikov’s race was called after she led 66% to Kagan’s,

The winner of the Democratic primary will face Adams, Republican candidate Curtis Sliwa, and independent candidate Jim Walden come November, but is likely to become the next leader of the city, which has selected a Democrat in the past three mayoral elections. Polls are open in the city until 9 p.m.