Credit Unions in Arnold, MO

Credit Unions in Arnold, MO: 5 branches on record from 4 federally insured institutions, spread over 1 ZIP code. Addresses come straight from the federal branch files.

What the branch files show in Arnold, MO

Branches on file
5
Institutions present
4
ZIP codes covered
1
Furthest two branches
Not mapped

Arnold has 5 credit union branches on file across 4 institutions, and First Community Credit Union accounts for 2 of them (40% of the city’s total). 3 of those institutions keep a single office here. 4 are headquartered inside Missouri.

The records carry 5 street addresses and 0 mapped coordinates. Branch ZIP codes on file: 63010.

Arsenal Credit Union is headquartered in Arnold itself, so decisions on local lending are made in town rather than out of state.

The institutions serving Arnold were chartered between 1934 and 1954.

The federal files list addresses, not opening hours, so we do not publish hours for these branches.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.

InstitutionBranches in ArnoldOffices nationwideHeadquartersChartered
First Community Credit Union242Chesterfield, MO1934
Arsenal Credit Union14Arnold, MO1948
Century Credit Union12Saint Louis, MO1954
Together Credit Union126Saint Louis, MO1939

Primary sources

  • NCUAQuarterly 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.

Reading the credit unions in Arnold data on this page

Every figure on this page for Arnold, MO 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 5 and institutions represented of 4.

Use them to frame picking a branch or an institution to bank with rather than to settle it. Your circumstances — credit, timing, the specific offer in front of you — move the outcome more than the local midpoint does.

What these numbers mean for people choosing where to open an account

Context does most of the work here. A number is only high or low next to something else, so we publish Arnold, MO and how it sits inside Missouri against a wider benchmark on the same measure. State of Missouri.

Gaps of a few percent are noise. Gaps of twenty or thirty percent are structural, and they usually trace back to something concrete: the mix of housing stock, how many households are renting rather than owning, the local employer base, or how far the nearest metro area is.

The useful habit is to pair every figure with the cost it has to cover. Income against rent, loan size against income, price against what the same money buys one county over.

Five checks worth running first

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.
  • 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.
  • 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.

Putting Arnold, MO next to the alternatives

Comparison is the fastest way to tell a genuinely unusual local market from an ordinary one. We benchmark Arnold, MO against Missouri 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.

Watch the denominator whenever a comparison surprises you. Whether a rate is calculated on all applications or only completed ones, on every unit or only those on the market, changes the answer more than the local market does.

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.

Common questions

How current is the credit unions in Arnold 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 Arnold, MO?

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 5.

Method and limitations

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 Missouri

Methodology

The 5 branches listed for Arnold come from the federal branch files, filtered to Arnold, MO and matched to the 4 institutions we hold profiles for.

5 of the 5 Arnold records carry a street address and 0 carry coordinates, which is how the 0-mile spread and the ZIP list above are worked out.

First Community Credit Union is the largest presence in Arnold with 2 of the 5 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.