
Fisher Island, FL 33109 —
What's the richest zip code in America? You'll find residents with the highest incomes on this exclusive island off the coast of Miami. Fisher Island offers a rare level of privacy -- it's home to just a few hundred people and is reachable only by boat (or yacht).

Atherton, CA 94027 —
Atherton is the top-earning zip code on the West Coast, and no wonder: The small residential community is just a stone's throw from Menlo Park, the home of Facebook and many big venture-capital firms.

New Vernon, NJ 07976 —
Talk about old money. New Vernon can trace its history back to a colonial settlement, and many of the country estates here have been passed down through families for generations. Some homes in this small community are so distinctive, they're on the National Register of Historic Places.

Purchase, NY 10577 —
This village is an exclusive hamlet in the town of Harrison, about a half hour north of New York City.

Mill Neck, NY 11765 —
This affluent little town is rich in nature as well. Located on the northern shore of Long Island, it's almost entirely surrounded by Oyster Bay Harbor and Beaver Lake. Outdoor lovers can also enjoy a nature preserve, arboretum and several parks nearby, as well as easy access to boats parked at the local marina.

New York, NY 10005 (Wall Street) —
Sure, the mansions and old wealth can be found on Park Avenue, but today's ultra-high earners are more often choosing to live around Wall Street in Lower Manhattan. After all, it's a quick commute for finance types.

Century City, CA 90067 —
Los Angeles can be gritty or grand, depending on the neighborhood. The Century City district belongs squarely in the swanky column: It hosts L.A.'s richest zip code and counts well-heeled Beverly Hills as its next-door neighbor.

San Francisco, CA. 94111 —
San Francisco's top-earning zip code spans a cross-section of neighborhoods, including Telegraph Hill, Chinatown, North Beach and the Financial District. Both the City by the Bay's tech prowess and the state's strengthening economy contribute to the area's prosperity.

Gladwyne, PA 19035 —
Nestled along Philadelphia's famed Main Line, this area has been affluent for well over a century -- in the 1800s, it was a popular place for railroad executives to build their massive summer homes. Though time has chugged along, the region's exclusivity has remained. Parkland abounds in this wealthy Philadelphia suburb and several elite colleges are nearby.

Glenbrook, NV 89413 —
This mountain enclave on the eastern shore of Lake Tahoe is the perfect place for vacationing high-earners, who enjoy skiing and other snow activities in the winter and water sports in the summer.

Weston, MA 02493 —
A quaint community of nearly 12,000, Weston is about 10 miles from Boston and has the large open space more typical of a country town. Residents enjoy 2,000 acres of protected land with miles of trails for hiking, biking and horseback riding.

Far Hills, NJ 07931 —
This New Jersey borough is perfect for high earners who don't want to live too far from the back nine.

Short Hills, NJ 07078 —
Short Hills started as a planned community in the 1800s, founded by a wealthy entrepreneur who wanted to create a place for fellow nature lovers. Today, it's one of the wealthiest areas in the country, home to many executives and stockbrokers who commute to New York City.

Kenilworth, IL 60043 —
A wealthy enclave 15 miles north of Chicago, Kenilworth is a family-friendly suburb. There's hockey in the winter and lacrosse in summer in a large park near the town's center.

Chicago, IL 60604 (the Loop) —
The hub of the Midwest, Chicago serves as home base for many big corporations. At its center is the Loop, a major commercial district that's the most affluent section of the city. Large employers like the Chicago Board of Trade, Mercantile Exchange, JP Morgan Chase attract lots of finance types and executives.

Greenwich, CT 06831 —
Greenwich has the honor of gracing this list twice, for two separate zip codes. 06831 is the wealthier section of Greenwich and boasts real-estate prices to match. The typical home here costs nearly $1 million more than in its 20th-ranked neighbor to the east. For elevated living, its historic Round Hill section rises 550 feet, and offers a view of the Manhattan skyline, about 35 miles away.

New Canaan, CT 06840 —
Once a vacation destination for New York City's wealthy, New Canaan is now a residential community for high earners and their families. About an hour's train ride from Manhattan, the town is known for its collection of Modernist architecture and offers residents plenty of public space for recreational pursuits.

Portola Valley, CA 94028 —
Known for its quiet, scenic streets, Portola Valley offers rolling hills and a zen-like retreat for Silicon Valley's CEOs, tech titans and venture capitalists.

Palm Beach, FL 33480 —
Visitors flock to this sunny island city for the golf and luxury shopping. The population surges during the prime tourism season, tripling to 30,000, and travelers' spending helps support the economy. Year-round residents tend to be affluent and skew on the older side: Median age is 67.

Greenwich, CT 06830 —
Sure, incomes here aren't as high as in nearby 06831, the other Greenwich town on this list. But the neighborhood has a special distinction -- it's the site of the priciest single-family residential home ever at the time, a 50-acre estate on Long Island Sound that sold for $120 million.



