A savings bank is a financial institution that takes deposits and pays interest on the money you keep there

A savings bank exists primarily to hold your money and pay you interest on it. Unlike a checking account at a regular bank, which is built for frequent transactions, a savings account at a savings bank is built to encourage you to leave money alone and watch it grow. The bank uses your deposits to make loans to other customers, and pays you a portion of what it earns in the form of interest.

Savings banks come in two main forms: mutual savings banks, which are owned by their depositors rather than shareholders, and stock savings banks, which are owned by investors. Both types operate under the same basic principle—they take in deposits, pay interest, and lend money out. The difference matters mainly if the bank fails; mutual depositors have a claim on assets, while stock bank depositors do not. For your day-to-day experience, the difference is usually invisible.

A savings bank is not the same as a credit union, though both are alternatives to large commercial banks. Credit unions are member-owned cooperatives that typically offer similar products but may have lower fees or higher interest rates. A savings bank is also not the same as an investment bank, which buys and sells securities rather than taking deposits from individuals.

Key Takeaways

  • Savings banks are regulated financial institutions that hold deposits and pay interest, and are insured by the FDIC up to $250,000 per account.
  • The interest rate a savings bank offers varies by the bank and by the current federal interest rate, so comparing rates across banks before opening an account makes a real difference in how much you earn.
  • Savings banks typically limit the number of withdrawals you can make per month, though this rule is less strictly enforced than it once was.
  • Savings banks are separate from credit unions and investment banks, each of which operates under different rules and serves different purposes.

How a savings bank makes money and pays you interest

When you deposit money into a savings bank, the bank lends that money to other customers in the form of mortgages, auto loans, and personal loans. The interest those borrowers pay is higher than the interest the bank pays you. The difference is the bank's profit. If a mortgage borrower pays 6 percent interest and the bank pays you 4 percent on your savings account, the bank keeps roughly 2 percent as its margin.

The interest rate the bank offers you depends on two things: the current federal funds rate, which the Federal Reserve sets, and the bank's own decision about how much of its profit to share with depositors. When the Federal Reserve raises rates, savings banks typically raise their rates too, though not always by the same amount. When rates fall, banks lower their rates faster than they raise them. This is why shopping around for the best rate matters—two banks in the same town might offer different rates on the same type of account.

Interest compounds, meaning you earn interest on your interest. If your account earns 4 percent annually and you leave the money untouched, after one year you will have 4 percent more than you started with. After two years, you will earn 4 percent on that larger amount. Over decades, this compounding effect is substantial. Over months, it is small.

FDIC insurance and what it protects

Savings banks are required to carry FDIC insurance, which protects your deposits if the bank fails. The Federal Deposit Insurance Corporation guarantees up to $250,000 per depositor, per bank, per account type. If you have $100,000 in a savings account at a bank that fails, you will receive your full $100,000. If you have $300,000, you will receive $250,000 and lose the rest.

The $250,000 limit applies per account type, which means you can have multiple insured accounts at the same bank if they are different types. A savings account, a checking account, and a money market account are three separate account types, so you could have $250,000 in each and be fully insured. Joint accounts are insured separately from individual accounts, so a joint savings account with your spouse is covered separately from your individual savings account.

FDIC insurance does not protect you from poor decisions, fraud by the bank, or theft by someone else. It protects you only from the bank's failure. If someone steals your debit card and drains your account, that is a separate problem handled by your bank's fraud policy, not by FDIC insurance.

Withdrawal limits and how they work

Savings banks traditionally limited withdrawals to six per month, a rule set by federal regulation. That rule was suspended during the pandemic and has not been fully reinstated, so most banks now allow unlimited withdrawals. However, some banks still impose limits or charge a fee after a certain number of withdrawals, so check your bank's specific rules before opening an account.

The withdrawal limit exists because savings accounts are meant to encourage saving, not frequent spending. A checking account has no withdrawal limit because it is designed for daily transactions. If you need to move money in and out constantly, a savings account is the wrong tool—a checking account or money market account would serve you better.

Withdrawals can happen in person at a branch, by phone, by mail, or through online banking. The speed varies. An in-person withdrawal at a branch is immediate. An online transfer to another bank typically takes one to three business days. A check mailed to you takes five to ten business days. Plan accordingly if you need the money on a specific date.

Savings banks versus other types of banks

A commercial bank offers both checking and savings accounts, and typically has more branches and ATMs than a savings bank. A savings bank focuses on savings products and may have fewer branches. In practice, the difference matters less than it once did—most large banks now offer both products, and most savings banks are part of larger banking networks.

An online bank has no physical branches and typically offers higher interest rates because it has lower overhead costs. The tradeoff is that you cannot walk into a branch to deposit cash or speak to someone in person. Online banks are FDIC-insured just like brick-and-mortar banks, so the insurance protection is identical.

A credit union is owned by its members rather than by shareholders, and typically offers lower fees and sometimes higher interest rates. However, credit unions have membership requirements—you might need to work for a specific employer, live in a specific area, or belong to a specific organization. A savings bank has no membership requirement; anyone can open an account.

How to choose a savings bank

Start by comparing interest rates across banks. The difference between 4 percent and 4.5 percent does not sound large, but on $10,000 it means $50 per year. Over five years on $50,000, the difference between two rates is hundreds of dollars. Use a rate comparison site or visit banks' websites directly to see current rates. Rates change frequently, so check again before you open an account.

Next, check the minimum deposit required to open an account and whether there are monthly fees. Some banks require $500 or $1,000 to open; others require nothing. Some charge $5 or $10 per month if your balance falls below a certain level; others charge nothing. These fees can erase the benefit of a higher interest rate, so factor them in.

Finally, consider whether you need in-person access. If you live near a branch and like to deposit cash in person, a local savings bank or commercial bank makes sense. If you rarely need a branch and are comfortable with online banking, an online bank often offers better rates. If you need customer service by phone, check whether the bank offers it and what hours it is available.

Frequently Asked Questions

Is my money safe in a savings bank?

Yes, as long as your balance is under $250,000 per account type. FDIC insurance protects your deposits if the bank fails. The bank itself is regulated by federal and state authorities, which conduct regular audits and inspections. Your money is safer in an FDIC-insured savings bank than it is in cash under your mattress.

Can I withdraw my money whenever I want?

Yes, though some banks still impose limits or fees after a certain number of withdrawals per month. Check your bank's specific rules. Withdrawals by transfer to another bank typically take one to three business days; in-person withdrawals at a branch are immediate.

What happens to my interest if I withdraw money before the end of the month?

Interest is calculated on your average daily balance throughout the month, so withdrawing money partway through reduces the amount of interest you earn that month. You do not lose interest you have already earned, but you earn less going forward on the smaller balance.

How is a savings bank different from a checking account?

A savings account is designed to hold money and earn interest; a checking account is designed for frequent transactions. Savings accounts traditionally had withdrawal limits; checking accounts do not. Checking accounts usually pay little or no interest; savings accounts pay interest based on the current rate.

Can I have accounts at multiple savings banks?

Yes. Each account at each bank is insured separately up to $250,000, so you could have $250,000 at Bank A and $250,000 at Bank B and be fully insured at both. This strategy makes sense if you want to keep more than $250,000 in savings accounts and want full FDIC coverage on all of it.