RIMROCK
State-Chartered • BILLINGS, Montana • Est. 1949
Quick Facts
- Charter Number
- #63183
- Type
- State-Chartered
- Established
- 1949
- Headquarters
- BILLINGS, Montana 59102-5845
- Address
- 952 CENTRAL AVE
- Branches
- 1
- Members
- 3,343
- Membership Type
- Community
NCUA Financial Health Score
Based on NCUA Q4 2025 Call Report data
Exceptionally well-capitalized with outstanding net worth ratio, very low delinquency, and strong earnings. One of the most financially sound credit unions in the country.
Financial Overview
Total Assets
Members
3,343 total members
Total Loans
Outstanding loan portfolio
Net Worth Ratio
Financial Details
| Metric | RIMROCK |
|---|---|
| Total Assets | $61.2M |
| Members | 3,343 |
| Loans Outstanding | $16.9M |
| Shares & Deposits | $51.6M |
| Net Worth | $9.2M |
| Net Worth Ratio | 15.02% |
| Loan-to-Share Ratio | 32.8% |
| Delinquency Rate | 0.35% |
| Net Income | +$973,882 |
Source: NCUA Q4 2025 Call Report • Cycle date: 12/31/2025
Branch Locations
1 location
Rimrock Credit Union
Main Office952 Central Ave
Billings, MT 59102-5845
Who Can Join RIMROCK?
Membership Type: Community
Membership eligibility for RIMROCK may vary. Contact the credit union directly to confirm qualification requirements.
Contact RIMROCK directly or visit their website for the most accurate and up-to-date membership eligibility information.
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View Montana RankingsFrequently Asked Questions
Yes. RIMROCK is federally insured by the National Credit Union Administration (NCUA) up to $250,000 per depositor, per ownership category. This provides the same level of deposit protection as FDIC insurance at a bank.
As of the NCUA Q4 2025 Call Report, RIMROCK has 3,343 members and a potential membership field of 25,000 people.
RIMROCK's net worth ratio is 15.02% as of Q4 2025. The NCUA classifies a credit union as "well-capitalized" when its net worth ratio is 7% or higher. At 15.0%, RIMROCK meets this threshold.
RIMROCK operates 1 branch location. The main office is located at 952 Central Ave, Billings, MT 59102-5845.
RIMROCK was established in 1949. It is a state-chartered credit union chartered under charter number 63183. The institution has been serving members for 77 years.
Data sourced from the NCUA Quarterly Call Report (Q4 2025). CUScore is an independent directory and is not affiliated with the NCUA or RIMROCK. All financial data is for informational purposes only.