Credit Unions in Idaho Falls, ID
Credit Unions in Idaho Falls, ID: 17 branches on record from 9 federally insured institutions, spread over 3 ZIP codes. Addresses come straight from the federal branch files.
What the branch files show in Idaho Falls, ID
Idaho Falls has 17 credit union branches on file across 9 institutions, and Westmark Credit Union accounts for 5 of them (29% of the city’s total). 6 of those institutions keep a single office here. 7 are headquartered inside Idaho.
The records carry 17 street addresses and 0 mapped coordinates. Branch ZIP codes on file: 83401, 83402, 83404.
Westmark Credit Union, Frontier Credit Union, Members Preferred Credit Union are headquartered in Idaho Falls itself, so decisions on local lending are made in town rather than out of state.
The institutions serving Idaho Falls were chartered between 1935 and 1968.
The federal files list addresses, not opening hours, so we do not publish hours for these branches. Check the institution’s own branch page before travelling.
| Institution | Branches in Idaho Falls | Offices nationwide | Headquarters | Chartered |
|---|---|---|---|---|
| Westmark Credit Union | 5 | 15 | Idaho Falls, ID | 1954 |
| Idaho Central Credit Union | 4 | 65 | Chubbuck, ID | 1940 |
| Frontier Credit Union | 2 | 16 | Idaho Falls, ID | 1935 |
| Beehive Credit Union | 1 | 7 | Rexburg, ID | 1960 |
| Connections Credit Union | 1 | 12 | Pocatello, ID | 1937 |
| Goldenwest Credit Union | 1 | 57 | Ogden, UT | 1936 |
| Lookout Credit Union | 1 | 7 | Pocatello, ID | 1952 |
| Members Preferred Credit Union | 1 | 1 | Idaho Falls, ID | 1968 |
| Mountain America Credit Union | 1 | 109 | Sandy, UT | 1936 |
Primary sources
- NCUA — Quarterly Call Report FOICU/FS220 files (CU_NUMBER key) · observed quarterly call reports, 2026 Q1
Institution records as of 2026-03-31.
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Frequently asked questions
Can anyone join a credit union?
Not automatically. Each one has a field of membership, though many now include a low-cost association route that opens eligibility to anyone.
Are credit union deposits insured?
Federally insured credit unions are covered by the NCUA Share Insurance Fund to $250,000 per member, per ownership category.
How to read the credit unions in Idaho Falls numbers
Every figure on this page for Idaho Falls, ID is a median, not an average, which matters more than it sounds.
A median is the midpoint: half of the local market sits above it and half below. Averages get dragged around by a handful of extreme values — one very expensive property, one unusually large loan, one graduate earning far more than their classmates — so a median is the safer number to plan against. Locations on record of 17 and institutions represented of 9.
They describe the middle of the market, so they are a starting point for picking a branch or an institution to bank with and nothing more. Anyone quoting you a number will be pricing your file, not the median.
Turning the Idaho Falls, ID data into a decision
Context does most of the work here. A number is only high or low next to something else, so we publish Idaho Falls, ID and how it sits inside Idaho against a wider benchmark on the same measure. State of Idaho.
A difference of a few percent is inside the survey's own margin of error. A difference of a quarter or more is real, and it normally reflects the housing mix, the dominant local industries, or how much of the population is retired rather than working.
That is why a single figure should never carry a decision on its own. Read two or three measures together — what comes in, what housing costs, what is left — and the picture stops being ambiguous.
A short checklist before you act
None of this needs a spreadsheet. It needs the discipline of checking the same handful of things every time, whether you are picking a branch or an institution to bank with for the first time or the fifth.
- Verify the branch is still open and staffed before you travel; registers lag closures by a quarter or more.
- Check whether deposit insurance covers your full balance, and how joint accounts change that limit.
- Ask what the number looks like in a bad year, not an average one, and make sure the plan still holds.
- Write down the monthly number you can genuinely cover, not the maximum a lender or admissions office says you qualify for.
- Compare at least three offers. Pricing on the same product varies more between providers than most people expect, and the gap is yours to keep.
- Check the fee schedule and the fine print, not the headline rate — that is where the real cost usually hides.
Where Idaho Falls, ID sits against the wider market
Comparison is the fastest way to tell a genuinely unusual local market from an ordinary one. We benchmark Idaho Falls, ID against Idaho and against the national picture on the same definitions, in the same period, so the difference you see is a real difference rather than an artefact of two datasets disagreeing.
Most contradictory statistics you meet online are definition mismatches rather than errors. Gross versus net, occupied versus advertised, applications versus originations: each pair produces a different headline from the same underlying reality.
Where a comparison would mislead, we leave it out instead of filling the gap. A blank means the source did not publish a reliable estimate for that local market, and inventing one would be worse than showing less.
Frequently asked questions about Idaho Falls, ID
How current is the credit unions in Idaho Falls data?
The figures come from the most recent release of the FDIC office file and the NCUA credit union branch file, and we refresh the page when a new one is published. Public datasets run a reporting lag of several months to two years, so the latest available period is not the same as today.
Why does another site show a different number for Idaho Falls, ID?
Almost always because it is measuring something slightly different, or using an earlier release. Check the definition and the period before assuming one of the two is wrong; federal branch and office registers publish several near-identical measures with meaningfully different scopes.
Can I use this for picking a branch or an institution to bank with?
As a benchmark, yes — it tells you whether an offer or an asking price is normal for this local market. As a substitute for your own quote or estimate, no. Locations on record of 17.
How we built this page
The page is assembled from federal branch and office registers, specifically the FDIC office file and the NCUA credit union branch file. Nothing here is modelled from a proprietary black box: every figure traces to a published record, and where we derive a ratio we show both inputs so the arithmetic can be checked.
Be aware of what the data cannot do. Small-area estimates are noisier than headline national ones, every source reports on a delay, and no median describes the outliers that people most often remember.
Where a source revises a figure, the revised value replaces the old one rather than sitting alongside it, so the page always reflects the current official position. If you spot a number that looks wrong, it is worth telling us — corrections get made against the source record, not by guesswork.
Other cities in Idaho
Methodology
The 17 branches listed for Idaho Falls come from the federal branch files, filtered to Idaho Falls, ID and matched to the 9 institutions we hold profiles for.
17 of the 17 Idaho Falls records carry a street address and 0 carry coordinates, which is how the 0-mile spread and the ZIP list above are worked out.
Westmark Credit Union is the largest presence in Idaho Falls with 5 of the 17 branches; figures per institution are on its own profile page.
Sources: FDIC institution and office files; NCUA call report. American Community Survey 5-year estimates, 2022.