No, Your Savings Account Does Not Directly Affect Your Credit Score
Some banks and credit unions find that opening an account with them is beneficial for obtaining a loan. Good saving habits can indirectly help your credit, but your credit report doesn’t even contain information about your bank accounts .
Your credit report is about your debt, not your assets. It includes information about your credit cards, loans, and other money you borrow. It does not include your savings, investments, or checking accounts. Experian explains (emphasis added)
Asset information such as checking account balances, savings account balances, certificates of deposit, IRAs, stocks, bonds or other investments are not part of the report and therefore does not affect credit ratings.
It’s the same with income information. Your salary or hourly pay is not reported to Experian and therefore is not part of your credit report. As a result, your income does not affect your credit score.
However, opening a savings or current account with the bank can indirectly help you establish credit because the company issuing credit cards and other lenders may be more likely to approve you a credit line, if your bank account have a good reputation . However, opening an account alone will not give you a credit boost.