Mountainside, NJ ZIP codes

2 ZIP/ZCTAs intersecting this Census place in Union County.

ACS 2023 population

6,967

Median household income

$210,100

Median home value

$755,600

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Mountainside (GEOID 3448510). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 37,727 (2 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Mountainside, NJ

Census place boundary and intersecting ZIP Code Tabulation Areas for Mountainside, NJ — Census place boundary for Mountainside, NJ. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Mountainside

Population overlap

Share of each ZIP/ZCTA’s population located within Mountainside, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

070900.0%
0709299.1%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Mountainside

ZIP	City	County	Population	Income
07090	Westfield	Union County	30,760	$212,700
07092	Mountainside	Union County	6,967	$210,100