Union County, NJ
Property Data

Union County, NJ: Suburban Wealth Meets Hidden Strain

Union County doesn't fit neatly into any single narrative. Pressed between Newark and the quieter suburbs of Morris and Somerset counties, it is simultaneously one of New Jersey's most economically productive counties and one of its most internally divided. A median household income of $100,117 — a third higher than the national median — sits alongside a Gini coefficient of 0.484, a level of inequality more typical of major urban cores than leafy suburban counties. That tension between affluence and hardship is the defining story here.

A Housing Market Running Hot

The gap between median and average home prices says everything you need to know about Union County's market structure. The median sale price of $609,500 already implies a price-to-income ratio of roughly 6x — well above the 4x national benchmark that traditionally defines affordability. But the average sale price of $746,020 reveals the upper end pulling hard in the other direction, with the 90th percentile touching $1.315 million. Towns like Summit and Westfield anchor this premium tier, where historic downtown walkability and top-ranked schools command consistent premiums. Meanwhile, Elizabeth — Union County's largest city and one of New Jersey's most densely populated — keeps the floor closer to the $345,000 P10 level.

Year-over-year price growth of 8.6% in a market that was already expensive signals persistent demand that supply isn't keeping pace with. With only 2,238 sales recorded in the past twelve months against a total property stock of roughly 194,000 occupied units, turnover is thin — a classic inventory-constrained suburban market where homeowners are reluctant to list and buyers are competing fiercely for what appears.

Key Statistics

The Renter Squeeze

The county's 42.4% renter share is significant — higher than most suburban counties of comparable income — and those renters are under serious financial pressure. A median rent of $1,664 against countywide income data produces a rent burden rate of 48.8% on average, with 23.4% of renter households in severe burden territory (spending more than half their income on housing). This reflects the Elizabeth effect: a large, dense, lower-income renter population concentrated in the northeast of the county, where wages don't stretch to match housing costs inflated by proximity to New York City.

The 10.3% limited-English-speaking population and 13.7% without a high school diploma further suggest a segment of the workforce in Elizabeth and surrounding areas that is particularly exposed to both wage stagnation and housing cost volatility.

The Commuter County Question

Only 12.9% of workers are remote — lower than many comparable income-tier counties in New Jersey — which reflects Union County's blue-collar and service workforce alongside its white-collar commuter class. With 62.4% driving alone and just 9.6% using public transit, the county leans suburban in its bones despite its density of 5,571 people per square mile. NJ Transit's rail connections through Westfield, Cranford, and Summit to Penn Station continue to underpin demand in the commuter belt, even as remote work reshuffles some preferences.

FAQ

What makes Union County, NJ unique? Union County is one of the few suburban counties in America where extreme wealth and significant poverty share a county line — sometimes literally a single street. Summit's $1M+ homes and Elizabeth's dense immigrant working class are both Union County, separated by a few miles of Parkway interchange. That internal contrast shapes everything from school funding debates to housing policy.

Is Union County, NJ a good place to buy a home right now? It depends heavily on which Union County you're buying into. The Summit/Westfield/Scotch Plains corridor offers strong appreciation history and school quality, but entry prices above $700K and a 6x price-to-income ratio demand serious financial preparation. Elizabeth and Linden offer significantly lower entry points with 8.6% countywide appreciation — but buyers should factor in higher property taxes and more variable rental market dynamics.

Why is the uninsured rate so high in Union County despite strong incomes? The 12.4% uninsured rate — above the national average despite a six-figure median income — almost certainly reflects the large immigrant and gig-economy workforce concentrated in Elizabeth, Plainfield, and Roselle. Many residents in these communities work in sectors without employer-sponsored coverage and fall into coverage gaps between Medicaid eligibility thresholds and affordable marketplace plans.