City
Mountainside, NJ
Union County, New Jersey · Population 7,049 · 1 ZIP code
Population
7,049
Safety Score
50
50
Average
Livability
50
50
Average
Median Home Price
N/A
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About Mountainside
Mountainside is a city located in Union County, New Jersey. With a population of 7,049, it spans 1 ZIP code.
ZIP Codes in Mountainside
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