The Short Answer: Credit Scores Are Not Part of Most Visa Decisions
For the majority of US visa applications, your credit score is not a factor in the decision. The US Department of State, which processes nonimmigrant visas (tourist, student, work), does not pull your credit report or check your FICO score as part of the adjudication process.
That said, your broader financial stability absolutely matters. Consular officers evaluate whether you can support yourself during your stay and whether you have strong ties to your home country. They look at bank statements, employment letters, property records, and tax returns rather than a three-digit credit score.
The confusion around this topic usually comes from mixing up two very different processes: applying for a visa to enter the United States and applying for permanent residency or adjustment of status once you are already here. The second process can involve a closer look at your financial history, and that is where credit may become relevant.
So the direct answer is no, a credit score does not determine whether a visa is approved or denied. But financial health is woven into immigration decisions in indirect ways that are worth understanding, especially if you are planning to settle in the US long term.