Mountainside, New Jersey
Mountainside, New Jersey | |
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Map of Mountainside in Union County. Inset: Union County highlighted in the State of New Jersey. | |
Census Bureau map of Mountainside, New Jersey | |
Mountainside Location in Union County Mountainside Location in New Jersey Mountainside Location in the United States | |
| Coordinates: 40°40′51″N 74°21′37″W / 40.680722°N 74.360292°W | |
| Country | United States |
| State | New Jersey |
| County | Union |
| Incorporated | September 25, 1895 |
| Government | |
| • Type | Faulkner Act (mayor–council) |
| • Body | Borough Council |
| • Mayor | Paul N. Mirabelli (R, term ends December 31, 2027) |
| • Administrator | Glenn Mortimer |
| • Municipal clerk | Martha Lopez |
| Area | |
• Total | 4.04 sq mi (10.47 km2) |
| • Land | 4.00 sq mi (10.35 km2) |
| • Water | 0.046 sq mi (0.12 km2) 1.11% |
| • Rank | 295th of 565 in state 12th of 21 in county |
| Elevation | 233 ft (71 m) |
| Population (2020) | |
• Total | 7,020 |
• Estimate (2023) | 6,924 |
| • Rank | 319th of 565 in state 19th of 21 in county |
| • Density | 1,756.8/sq mi (678.3/km2) |
| • Rank | 312th of 565 in state 21st of 21 in county |
| Time zone | UTC−05:00 (Eastern (EST)) |
| • Summer (DST) | UTC−04:00 (Eastern (EDT)) |
| ZIP Code | 07092 |
| Area code | 908 |
| FIPS code | 3403948510 |
| GNIS feature ID | 0885311 |
| Website | www |
Mountainside is a borough in Union County, in the U.S. state of New Jersey. The borough is located on a ridge in northern-central New Jersey, within the Raritan Valley and Rahway Valley regions in the New York metropolitan area. As of the 2020 United States census, the borough's population was 7,020, an increase of 335 (+5.0%) from the 2010 census count of 6,685, which in turn reflected an increase of 83 (+1.3%) from the 6,602 counted in the 2000 census.
Mountainside was incorporated as a borough on September 25, 1895, from portions of Westfield Township, based on the results of a referendum held the previous day.
New Jersey Monthly magazine ranked Mountainside as its 16th best place to live in its 2008 rankings of the "Best Places To Live" in New Jersey, as well as eighth in the 2010 list.