By now, we have heard a lot about the richest towns in New Jersey.

Short Hills (Millburn) and Rumson have made recent nationwide rankings — both have been longtime strongholds on a statewide ranking of median household income.

An analysis in 2023 by World Population Review found 14.8% of all New Jersey households earn more than $200,000 annually — only second to Washington, D.C.

But what about towns that have seen the biggest increases in wealth?

Using a decade of U.S. Census data, the following NJ communities have done notably well.

NJ towns with the biggest increases in wealth

Top 20 municipalities in New Jersey where the median household income has grown the most in a decade. The data is based on U.S. Census' American Community Survey 5-Year Estimates for the years 2012 and 2022.

Gallery Credit: New Jersey 101.5

New Jersey's best-kept secret?

Statewide over the same decade, the median household income went up 38% — from $69,667 to $96,346.

While Saddle River was already a six-figure median income back in 2012, the second-ranked community might come as a surprise.

Elk Township spans nearly 20 square miles in southern Gloucester County.

It has long been known as an agricultural community but offers a key location less than an hour from Philadelphia and just a bike ride from the Glassboro campus of Rowan University.

Elk Township Mayor Carolyn King-Sammons said it was the location that drew her to town over three decades ago, along with her husband.

She noted that several age-restricted developments that have joined the town’s landscape during the past decade.

King-Sammons said many are looking to retire in a community that still has plenty of open space and “small town” feel, while still being relatively close to loved ones.

She said there has also been a decent amount of improved retail options offering the amenities that most of NJ has grown used to.

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For King-Sammons, Elk might still be a best-kept secret in other parts of the state, as she often gets asked “where?” when she mentions where she lives.

A redevelopment plan has long been on the books for Elk, she added, and should only continue such positive growth.

The Villages at Still Run are a seven-phase redevelopment plan overseen by the Quaker Group.

With all but the final phase under contract, more than 800 single-family homes or townhouse residences will be built in Elk, while also preserving over 200 acres of open space, according to the developer’s website.

30 neighborhoods in NJ where richest families live

These ZIP codes in New Jersey have the highest percentage of households earning more than $200,000 in annual income, meaning these are the neighborhoods were the wealthiest families are most likely to live. The figures are based on 5-year data by the U.S. Census American Community Survey as of 2021.

Gallery Credit: New Jersey 101.5

30 'poorest' neighborhoods in NJ

These ZIP codes in New Jersey have the highest percentage of households earning less than $25,000 in annual median income. The figures are based on 5-year data by the U.S. Census American Community Survey as of 2021.

Gallery Credit: New Jersey 101.5

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