Sienna College Poll

Andrew Harnik / AP

A new Siena College poll finds Hillary Clinton leading Donald Trump by 30 points in the presidential race in New York. It could be good news for Democrats in the state Senate.

AP Photo/Carolyn Kaster

With just over a month to go before New York’s presidential primary, Donald Trump and Hillary Clinton are leading their respective parties.

According to a new Siena College poll, Trump is nearly 30 points ahead of his nearest challengers, Marco Rubio and John Kasich, among Republicans. Hillary Clinton leads Bernie Sanders among Democrats by 21 points.