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Beverly Hills area of Los Angeles where stately homes abound
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It’s no secret that wealth is concentrated in small pockets of the United States, and ZIP codes tell the tale. RealtyHop analyzed median list prices to determine the nation’s 100 most expensive ZIP codes, which are found in just 11 states. Even more interestingly, a single state — California — lays claim to nearly two-thirds of the list. Here’s a peek at which states are home to the wealthiest of the wealthy. 

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Texas: 1 ZIP Code

Aerial view of Luxury homes on Lake Austin section of Colorado River in Mount Bonnell district in hill country near Austin Texas. Photographed from helicoptter.
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Texas’ sole entry in the nation’s top 100 most expensive ZIP codes, 78746, represents West Lake Hills, a compact, close-in suburb of Austin. It ranks 78th in America with a median list price of $2.05 million in 2021, a jump of almost 8% from 2020.

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Nevada: 1 ZIP Code

Large, expensive houses adorn the shoreline of Lake Tahoe.
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The scenic shores of Lake Tahoe are home to Nevada’s most expensive ZIP code, 89402, Crystal Bay. It’s home to a handful of casinos and, of course, resort-style residences that propel it to No. 68 on the nation’s top 100 list. The median list price in 2021: A cool $2.198 million.

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Massachusetts: 1 ZIP Code

Hyannis is the largest of the seven villages in the town of Barnstable, Massachusetts, in the United States. It is the commercial and transportation hub of Cape Cod
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Massachusetts isn’t known for cheap real estate, but it only has one ZIP code among the nation’s 100 most expensive: 02647, a small part of Barnstable that’s better known as Hyannis Port — home to the Kennedy family’s Cape Cod compound. It ranks 62nd on the list, with a median list price of $2.25 million.

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Arizona: 1 ZIP Code

Luxury North Phoenix and Scottsdale, AZ modern stone and adobe home in a desert landscape setting on a clear sky at twilight, clear blue night sky
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We’re sure the residents of 85253, in the tony Phoenix suburb of Paradise Valley, feel like they have a little slice of a scenic desert utopia, indeed. This ZIP code lands at No. 46 on the top 100 list, with a median list price of $2.595 million.

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South Carolina: 1 ZIP Code

Beach chairs under blue umbrellas at Hilton Head Island, SC
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South Carolina has prominent resort communities like Hilton Head and Kiawah, but it’s actually Sullivan’s Island, 29482, that cracks the top 100 list with its pricey beach real estate just outside Charleston. The median list price is $3,497,500, propelling it to an impressive No. 19 ranking.

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Washington: 2 ZIP Codes

Aerial and remote view of Seattle (Leschi) with the Lacey V Murrow Bridge over Lake Washington and the Mercer Island and Bellevue, Washington state, USA.
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Look no further than the notoriously expensive Seattle area to find two of the nation’s wealthiest ZIP codes: 98039, Medina, and nearby 98040, Mercer Island. Medina, a community of uber-pricey homes on the shores of Lake Washington, ranks 16th out of 100, with a median list price of $3.595 million.

Related: The Most Expensive Celeb Homes on the Market

Florida: 2 ZIP Codes

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Florida also has two entrants in the top 100: 34102, which is part of Naples, and 33109, Fisher Island. The latter, a tiny barrier island south of Miami, is especially notable because of its exclusivity: It’s accessible only by boat, helicopter, or ferry. It’s also the second-most-expensive ZIP code in the nation, with a median list price of a staggering $6.4 million. 

Connecticut: 3 ZIP Codes

Greenwich, CT, USA October 27, 2013 Sailboats are moored in Indian Harbor in front of an estate in Greenwich Connecticut
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Connecticut’s leafy ’burbs earn it three spots in the top 100, though some might find it surprising that the priciest of the trio — 06830, Greenwich — still ranks only 54th. That ZIP code’s median list price for 2021: $2.4 million, down almost 4% from 2020. The other two ZIP codes on the list: 06878, Riverside, and 06880, Westport. 

New Jersey: 5 ZIP Codes

Traditional houses in the city of Cape May, New Jersey, USA, on a sunny summer day.
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Jersey is many things, and one of them happens to be home to extremely expensive real estate. It has five ZIP codes among the nation’s 100 most expensive. The two priciest of the bunch rank 27th (07931, Peapack and Gladstone) and 28th (07620, Alpine). Median list prices in those spots for 2021: $3.099 million and $3.073 million, respectively.

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New York: 20 ZIP Codes

beach houses in the Hamptons on Long Island, NY
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And now we’re in the big leagues. The Empire State has one-fifth of the nation’s 100 most expensive ZIP codes, most of them either in New York City itself or on Long Island. The latter is the case for the state’s two most expensive ZIPs: 11962, Sagaponack, and 11976, Watermill, both of which are posh Hamptons hideaways. They rank third and fifth among the nation’s top 100 with median list prices of $5.995 million and $4.75 million, respectively.  

California: 63 ZIP Codes

Beverly Hills area of Los Angeles where stately homes abound
pastorscott/istockphoto

That’s right: The Golden State has a whopping 63 of the nation’s 100 most expensive ZIP codes — something that might not shock anyone familiar with California real-estate prices. In fact, California has seven of the nation’s 10 priciest ZIP codes. Coming in at No. 1 in California and the entire nation: 94027, Atherton, where many of the wealthiest of Silicon Valley’s tech moguls have made their homes. The next-priciest ZIP code in California is one you’ve probably heard of: Beverly Hills, 90210, which ranks fourth in the nation.

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Meet the Writer

Saundra Latham regularly exploits her grocery’s fuel-points program for free tanks of gas and skips the salon in favor of the $5.99 sales at Great Clips. She has made her home in areas with a low cost of living, such as Dayton, Ohio, and Knoxville, Tenn.

Before joining Cheapism as the site’s first staff writer, Saundra freelanced for websites including Business Insider, ConsumerSearch, The Simple Dollar, The Motley Fool, and About.com. She was previously an editor at The Columbus Dispatch, one of Ohio’s largest daily newspapers. She holds a master’s in communication from Ohio State University and a bachelor’s in journalism from American University.