The 2016 New Jersey Democratic presidential primary was held on June 7 in the U.S. state of New Jersey as one of the Democratic Party's primaries ahead of the 2016 presidential election. The Democratic Party's primaries in California, Montana, New Mexico and South Dakota were held the same day, as were Republican primaries in the same five states, including their own New Jersey primary. Additionally, the Democratic Party held North Dakota caucuses the same day.