PlainZIP

Mountainside, NJ

Single-footprint Census roll-up for Mountainside, NJ: 1 USPS ZIP, population 6,730. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet MOUNTAINSIDE-NJ · Mountainside, NJ 1 ZIPs · 6,730 pop · #201/25278 · Union County

INC-TOP · RANK-TOP · BELOW-PEER · BOOK-ONE · OWN-HIGH · POP-TOWN · SPREAD-UNK · HOME-TOP

  • INC-TOP $211,538
  • RANK-TOP #201/25278
  • BELOW-PEER under Westfield
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 88% owners
  • POP-TOWN 6,730
  • SPREAD-UNK Single-ZIP book
  • HOME-TOP $810,300

Nearest income peer: Westfield, NJ (+ $21,091 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Mountainside

Lowest/highest poles plus county-sharing cities nearest Mountainside on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Mountainside, NJ sits among US cities with a top-decile household income, on a town-scale population base, across a single-ZIP footprint.

Top 1%
household income vs 25,278 US cities
6,730
city population (Census)
1
USPS ZIP codes covered
$211,538
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

High-income footprint on only 1 ZIP: the city page and the ZIP page nearly coincide. Headline income $211,538 and home value $810,300 should be read as near-neighborhood numbers ; bachelor's attainment averages 67.3%.

Owner-occupancy here runs high (87.9%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

Within New Jersey, Chesterfield is the closest lower-income city and Warren the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Mountainside.

Population concentration

Mountainside's single ZIP 07092 carries the town

Mountainside is published as a single USPS ZIP. Code 07092 is the entire residential footprint (6,730 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Mountainside's one ZIP

Citywide ZBP: 348 establishments, 4,937 employees , annual payroll $329,978k (~52 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 07092 (348 units) ; leading NAICS Professional, scientific, and technical services (57) · also Health care and social assistance · Construction .

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ZIP Codes in Mountainside, NJ

These ZIP codes sit in Union County, which covers 26 ZIP codes in all; 1 of them fall in Mountainside. See the Union County roll-up →

Mountainside sits in the upper half of Union County on income: Elizabeth, Plainfield and Union report less, while Westfield reports more. Elizabeth marks the far end of that range at $65,614, 69% below Mountainside.

ZIP Code Population Median income Establishments Density
07092 6,730 $211,538 348 646
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Mountainside roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Mountainside, .