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
- 3,252
- Membership Type
- Community
CUScore Financial Grade
Based on Q1 2026 NCUA Call Report data
Under CUScore's rules, this institution reports a net worth ratio of at least 10% and a delinquency rate below 1%. This simplified grade is informational, is not an official NCUA rating, and does not determine regulatory or deposit-insurance status.
Financial Overview
Total Assets
Members
3,252 total members
Total Loans
Outstanding loan portfolio
Net Worth Ratio
Financial Details
| Metric | RIMROCK |
|---|---|
| Total Assets | $63.5M |
| Members | 3,252 |
| Loans Outstanding | $16.6M |
| Shares & Deposits | $53.7M |
| Net Worth | $9.4M |
| Net Worth Ratio | 14.81% |
| Loan-to-Share Ratio | 31.0% |
| Delinquency Rate | 0.07% |
| Net Income | +$222,086 |
Source: Q1 2026 NCUA Call Report • Reporting date: 3/31/2026
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.
Find More Credit Unions in Montana
Review the Q1 2026 statewide dataset, aggregate ratios, and institutions ranked by reported assets.
View Montana RankingsFrequently Asked Questions
RIMROCK is listed as federally insured in the Q1 2026 NCUA dataset. NCUA share insurance generally covers qualifying accounts up to the standard maximum amount, with coverage depending on account ownership categories. Verify current status and coverage for your accounts with the NCUA or the institution.
As of the Q1 2026 NCUA Call Report, RIMROCK has 3,252 members and a potential membership field of 25,000 people.
RIMROCK's reported net worth ratio is 14.81% as of Q1 2026. The NCUA's standard net worth ratio threshold for "well capitalized" is 7%, although official status can involve additional rules.
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 (Q1 2026). CUScore is an independent directory and is not affiliated with the NCUA or RIMROCK. All financial data is for informational purposes only.