evidence: The U.S. cities that are home to the most billionaires are often closely tied to the sources of their wealthiest residents’ net worth. For example, many of the wealthiest people in the country have made their fortune through some association a successful company — and these people often live in close proximity to these companies. As a result, many of the cities on this list have high concentrations of companies in well-paying industries like finance, tech, and oil. In West Virginia, Lewisburg is the only city home to a billionaire. Worth an estimated $1.2 billion, Jim Justice II is the only resident with a minimum 10-figure net worth.