Richest Area Code in the United States by Wealth and Income
The area code 310, covering parts of Los Angeles including Beverly Hills, Malibu, and Santa Monica, is widely cited as one of the wealthiest in the country based on median household income and high-net-worth resident density. Data from the U.S. Census Bureau and IRS tax returns consistently show this region with some of the highest average incomes in the United States, driven by entertainment, finance, and technology industries. The concentration of luxury real estate, private offices, and corporate headquarters in this zone reinforces its top ranking among area codes by wealth. For a detailed breakdown of income statistics, see the latest IRS Statistics of Income data IRS Statistics of Income.
Area code 415, serving San Francisco and parts of Silicon Valley, also ranks among the richest area codes in the United States due to the presence of major technology companies and venture capital firms. High salaries in software, biotechnology, and finance push median household incomes well above national averages in this region. The area includes influential firms and startups that shape global technology trends and investment flows. For more on the region's economic profile, visit Forbes.
Major Companies and Economic Drivers in the Richest Area Codes
In the 310 area code, companies in entertainment, luxury services, and private equity contribute heavily to the local economy, with many headquarters and studios located in Beverly Hills and Century City. High-net-worth individuals, executives, and celebrity residents generate significant spending in real estate, hospitality, and retail sectors. The concentration of wealth management firms and boutique banks further amplifies the area's financial activity. For corporate filings and financial data, see SEC EDGAR.
The 415 area code benefits from proximity to Silicon Valley, with many tech executives, founders, and investors living in San Francisco while working for companies like Tesla Tesla and SpaceX SpaceX. Venture capital firms and private equity offices in the region channel capital into innovative startups, raising average incomes and property values. The tech ecosystem, combined with finance and consulting, keeps this area code among the top earners in the nation.
How the Richest Area Codes Are Measured and Ranked
Rankings of the richest area code in the United States typically rely on median household income, average adjusted gross income, and concentration of high-net-worth individuals per IRS and Census data. Analysts also consider cost of living, real estate prices, and the share of households in the top income percentiles when comparing area codes. These metrics provide a factual, query-focused view of wealth concentration across different regions.
Public datasets from the IRS, U.S. Census Bureau, and Bureau of Economic Analysis allow consistent year-over-year comparisons of income by area code. Updates to these datasets reflect changes in tax filings, population shifts, and economic growth, ensuring current and reliable rankings. For the latest data on income and tax statistics, visit IRS Statistics of Income.