What Are the Richest Zip Codes in the United States
The wealthiest zip codes are concentrated in coastal metros and select mountain or desert enclaves where median household income, property values, and business ownership levels rank far above national averages. Recent public data from the IRS and Census Bureau show that the top 1 percent of income earners cluster in a small set of codes, often tied to finance, technology, or executive management roles Forbes.
These codes usually feature six-figure median incomes, high home values, and low poverty rates. They include enclaves in Silicon Valley, Manhattan, Greenwich, Palm Beach, Atherton, and parts of the Washington, D.C. suburbs. The concentration of wealth in these areas reflects both job markets and housing scarcity that keep prices elevated SEC filings and company disclosures.
Wealthy Neighborhoods and Their Key Metrics
Zip code 94027 in Atherton, California, regularly appears among the richest in the nation, with median home prices well above five million dollars and household incomes driven by tech executives, founders, and finance professionals. Nearby codes such as 94301 in Palo Alto and 94022 in Los Altos Hills show similar patterns of high equity, low turnover, and strong ties to venture-backed companies Tesla.
In the Northeast, codes in Greenwich, Connecticut, and parts of New Jersey’s Bergen County combine high salaries from finance and law with historic property stock. Zip codes in Palm Beach, Florida, and the Florida Keys attract wealthy retirees and business owners, while areas around Aspen, Colorado, and Sun Valley, Idaho, show high per-capita income tied to second homes and private equity roles SpaceX.
Why These Zip Codes Stay at the Top of Wealth Rankings
Several factors keep these codes at the top of wealth rankings: limited housing supply, strong school systems, proximity to major employers, and low tax burdens in some states. Companies headquartered in these areas, along with private equity and hedge fund offices, generate a steady flow of high compensation that supports luxury real estate demand Forbes.
Public data also show that wealth concentrates across generations in these neighborhoods through trusts, family offices, and intergenerational transfers. High-net-worth households often hold significant stakes in private companies, real estate, and publicly traded equities, which can be traced through regulatory filings and investment disclosures SEC filings and company disclosures.