A Siena College poll shows former New York Sen. Hillary Clinton leading Vermont Sen. Bernie Sanders by 10 percentage points among the state's Democratic voters ahead of Tuesday's primary.
The poll shows Clinton favored by 52 percent of likely voters compared with 42 percent for Sanders, down from 55-35 percent in March.
Among likely Republican voters, the Siena poll shows New York City businessman Donald Trump backed by 50 percent, followed by 27 percent for Ohio Gov. John Kasich and 17 percent for Texas Sen. Ted Cruz.
In the March poll, Trump had 45 percent, Kasich and Florida Sen. Marco Rubio each had 18 percent and Cruz 11 percent.
The April 6-11 polls of 538 Democrats and 469 Republicans has a margin of error of 4.5 and 5 percentage points, respectively.