All of New Jersey is in the Western Hemisphere.
All of New Jersey is located in the Northern Hemisphere.
All of New Jersey is in the western hemisphere.
New Jersey is in the northern hemisphere.
In New Jersey you would reside in both the northern hemisphere as well as the western hemisphere.
College of New Jersey is located in the state of New Jersey.
Where New Jersey is located. New Jersey was part of the Middle Colonies.
Northwestern
Where New Jersey is located. New Jersey was part of the Middle Colonies.
Central New Jersey
The New World, including North and South America, is located predominantly in the Western Hemisphere.
How many? That would be one. The Western hemisphere. Unless you want to also count the Northern hemisphere, if so make it two. I hope this helps you find New Jersey.
New Zealand is in the eastern and/or southern hemisphere