City · United States
Hillside
Hillside is a township in Union County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 22,456, an increase of 1,052 (+4.9%) from the 2010 census count of 21,404, which in turn reflected a decline of 343 (−1.6%) from the 21,747 counted in the 2000 census.
Good to know
- Population: 22,155.
- Area: 2.8 sq km.
- Elevation: 30 m.
- Timezone: America/New_York.