Mountainside New Jersey Map

About Mountainside, New Jersey

Mountainside is a locality in Union County, New Jersey, United States. It has a population of approximately 7,049. The population density is 673.0 people per km². Mountainside is located at 40.6723°N, 74.3574°W. It observes the Eastern Time (America/New_York) timezone.

Mountainside unfolds as a verdant embrace, where the gentle slopes of the Watchung Reservation offer a breath of wildness against the backdrop of suburban quietude. It lies 1.1 miles north-north-west of Westfield, NJ (from Westfield, NJ: bearing 330°T), and is situated 9.7 miles south-south-west of Essex. Here, mature oaks and maples form a leafy canopy over winding residential streets, their branches laced with the soft, diffused light of a late afternoon sun. The air, even in mid-summer, carries a hint of the cool, damp earth, a scent that clings to the shaded ravines and the moss-covered stones that mark the edges of many a backyard. This is a place where front porches are more than just architectural features; they are extensions of living rooms, gathering spots where neighbors might pause their mowing to exchange a few words, their voices carrying softly on the breeze. The terrain itself, a gentle undulation rather than dramatic peaks, lends a sense of groundedness, a feeling of being held by the land rather than dwarfed by it. The character of Mountainside is deeply rooted in its history as a desirable residential haven, evolving from farmland and estates into the close-knit community it is today. While its agricultural past has largely receded, the echoes of that simpler time can still be felt in the sprawling, well-kept properties and the mature trees that seem to have stood sentinel for generations. The local economy here is primarily service-based, supporting the needs of its residents who often commute to larger employment centers, yet a distinct local pride flourishes, evident in the well-maintained parks and the vibrant, though modest, downtown area. The proximity to the vast expanse of the Watchung Reservation, a sprawling natural preserve, is Mountainside's most significant asset, offering residents immediate access to hiking trails, picnic spots, and a chance to reconnect with a natural world that feels both accessible and enduring.

About This Mountainside Map Page

This page provides an interactive Google map of Mountainside, New Jersey with street, satellite and terrain views and integrated Street View imagery. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Mountainside and Union County.

Detailed location data for Mountainside includes the ZIP code (07092), telephone area code (201, 551), county seat of Union County (Elizabeth), and school district assignment (Mountainside Borough School District). These are among the most commonly searched location details for any US city or town.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Mountainside is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.