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A credit union savings account works much like a bank savings account, with one difference that shapes everything else: you buy a small ownership share and become a member. That structure can mean friendlier rates and fewer fees, but it also means eligibility rules and, at the smaller institutions, rates that barely move off zero. Below are the current numbers, a dollar comparison on $10,000, the membership routes that matter and the insurance rules that protect the money.
What a credit union savings account pays right now
The rate on a credit union savings account varies far more from one institution to the next than between credit unions and banks as a group. Alliant Credit Union’s High-Rate Savings page lists 3.01% APY, with a daily average balance of $100 needed to earn interest, though Alliant dates that figure to its June 17, 2026 dividend declaration, so confirm the current rate before you apply. At the other end, Connexus Credit Union’s Simply Savings is listed at 0.01% APY on a $100 minimum, according to DepositAccounts.
For a benchmark, the FDIC’s national average savings rate was 0.38% in its October 19 update. Synchrony Bank, an online bank rather than a credit union, was paying 3.75% on November 2. Our best high-yield savings accounts guide tracks where the top rates sit week to week.
| Account | Type | Listed APY | Interest on $10,000 in a year |
|---|---|---|---|
| Synchrony Bank savings (Nov. 2) | Online bank | 3.75% | $375.00 |
| Alliant High-Rate Savings | Credit union | 3.01% | $301.00 |
| FDIC national average | Bank average | 0.38% | $38.00 |
| Connexus Simply Savings | Credit union | 0.01% | $1.00 |
Those figures are simple one-year interest at a constant rate, which is how APY works when interest is left in the account. The Alliant row earns $263 more than the national average on the same $10,000, and $300 more than Connexus, so the label “credit union savings account” tells you nothing until you see the rate.
Do credit unions pay more than banks on average?
It depends on the product. The NCUA publishes a quarterly comparison of credit union and bank rates, and the latest edition on its site is dated December 26, 2025, so treat it as a year-end snapshot rather than current pricing.
| Product (NCUA label) | Credit unions | Banks | Gap on $2,500 or $10,000 |
|---|---|---|---|
| Regular savings, $2,500 | 0.19% | 0.32% | Banks pay $3.25 more on $2,500 |
| Money market, $2,500 | 0.74% | 0.52% | Credit unions pay $5.50 more on $2,500 |
| 1-year CD, $10,000 | 2.95% | 2.29% | Credit unions pay $66 more on $10,000 |
| 5-year CD, $10,000 | 2.83% | 2.11% | Credit unions pay $72 more on $10,000 |
On plain savings, the average credit union paid less than the average bank, while on money market accounts and CDs it paid more. So an average tells you little about the specific credit union savings account you would open. If a CD is what you want, our comparison of Treasury bills, CDs and savings shows how the rates stack up, and our money market versus savings guide covers the middle option.
Who can open a credit union savings account?
Eligibility is the one real hurdle, and it is usually easier to clear than people expect. Alliant’s membership page lists four routes: work for or retire from a partner business, be a family member or domestic partner of a current member, live or work in an eligible community near its Chicago headquarters, or pick the “Other: Join Alliant Credit Union Foundation” option, where Alliant pays the one-time $5 membership fee. Connexus works similarly: its DepositAccounts profile says membership is open to anyone who joins the Connexus Association with a $5 donation, or who qualifies through geography, employer or family.
PenFed takes a lighter approach in its own application. Its Premium Online Savings page says opening the account makes you a member, with a $5 minimum to open and no monthly maintenance fee, but the rate table on the page was blank when we checked, so look up the current APY before you decide.
To check a smaller or local credit union, the NCUA’s share insurance page points to its Credit Union Locator at mapping.ncua.gov, which also confirms whether an institution is federally insured.
How NCUA insurance works
Credit union deposits are called shares, and the NCUA’s Share Insurance Fund covers them up to $250,000 per member-owner, per ownership category, at each federally insured credit union, according to the agency. IRAs and certain other retirement accounts get a separate $250,000 of coverage. For joint accounts the NCUA says coverage is $250,000 per owner, and the primary owner must be a credit union member.
That is the same dollar limit the FDIC applies at banks, so a credit union savings account at a federally insured institution is not a riskier home for cash. Our FDIC insurance limit guide walks through the ownership categories, which work in a parallel way. If you want to spread more than $250,000, the NCUA’s Share Insurance Estimator on MyCreditUnion.gov will tell you where you stand.
A quick example: $25,000 in three places
Take $25,000 of emergency savings left alone for a year, in a credit union savings account or in the alternatives, with interest paid at each account’s listed rate.
| Account | Listed APY | Interest after one year | Versus the national average |
|---|---|---|---|
| Alliant High-Rate Savings | 3.01% | $752.50 | +$657.50 |
| FDIC national average | 0.38% | $95.00 | baseline |
| Connexus Simply Savings | 0.01% | $2.50 | -$92.50 |
The gap between the top and bottom rows is $750. Rates on these accounts are variable, so a rate can fall after you open one, and a quick look twice a year is enough to catch it.
What to check before you open a credit union savings account
| Check | What to look for |
|---|---|
| Rate and balance rules | The APY, and whether a minimum balance is needed to earn it (Alliant’s is $100) |
| Fees | The fee schedule; Alliant notes that non-standard service fees can reduce earnings |
| Access | Branch and ATM reach, and how transfers to your checking account work |
| Insurance | The credit union appears in the NCUA locator at mapping.ncua.gov |
| Membership | You qualify before you fund the account, and know about any small fee or donation, such as the $5 at Connexus |
Our best online banks roundup is a useful cross-check if you want to compare a credit union savings account with a bank’s side by side.
Editor’s Take
A credit union savings account is worth a look, but the label is not the point. The average credit union paid less than the average bank on plain savings and more on money markets and CDs, and the real gap sits between a top-paying account and a forgotten one: $301 versus $1 on $10,000 is the whole story. If you already have a credit union relationship, check what your credit union savings account pays today. If it is close to the national average, a membership at a higher-paying institution is a few minutes of paperwork for a few hundred dollars a year.
This is general information, not financial advice. The rate on any credit union savings account changes often, so check each institution’s current terms before you open one.
