Capitol Hill is covered to a large extent by ZIP code 20003, which is the fourth wealthiest ZIP code in Washington, D.C. When you’re the capital of the United States, the country with the largest ...

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As Covid altered what people needed in a home and where they wanted to live, the Washington real estate market went mad. Listings that get dozens of offers, houses selling for hundreds of thousands ...

Editor's Note: The Business Journals evaluates almost 33,200 ZIP codes to compile its annual wealth index. The wealthiest ZIP codes rankings are intended to capture the greatest concentrations of ...