Total Assets
$588.2M
Total Deposits
$518.2M
Branches
7
Established
1938
SIU is a credit union headquartered in Carbondale, Illinois, established in 1938. It holds $588.2M in total assets across 7 branch locations. In our editorial opinion, based on public FDIC/NCUA data, SIU earns a TFS Financial Health Grade of B+ (81.6/100) — our editorial assessment, not an official rating or financial advice.
TFS Health Grade
81.6 / 100
Good financial health
How we gradeTFS Health Grades are our editorial opinion based on public FDIC/NCUA data — not an official rating, not financial advice.
Watching SIU?
Get a free alert the moment its TFS financial-health grade changes. No spam, ever.
Financial data through March 31, 2026. Updated by TFS August 28, 2026. Data sourced from NCUA Call Reports as of 2026-Q1. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
Data sourced from CFPB Consumer Complaint Database. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
| Branch | Address | City | State | Type |
|---|---|---|---|---|
| Corporate OfficeHQ | 1175 E Main St | Carbondale | IL | Full Service |
| East Branch | 395 N Giant City Rd | Carbondale | IL | Full Service |
| West Branch | 1217 W Main St | Carbondale | IL | Full Service |
| Energy | 300 N Pershing St | Energy | IL | Full Service |
| HARRISBURG BRANCH | 777 E Ford St | Harrisburg | IL | Full Service |
| Marion Branch | 2809 Outer Dr | Marion | IL | Full Service |
| Metropolis Branch | 704 E 5th St Ste 1 | Metropolis | IL | Full Service |
Data sourced from FDIC BankFind Suite. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
Data sourced from FDIC Enforcement Decisions and Orders / NCUA. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
TFS Financial Health Grades represent our editorial assessment based on publicly available data and our proprietary methodology. They do not represent financial advice or an official government rating. Data on this page is sourced from federal government databases and is believed to be accurate.
Benchmarked against 60 active, federally insured credit unions reporting in the same quarter and holding roughly 0.5×–2× its assets. Same-state and overlapping-market peers are prioritized.
TFS health score
81.6
Net worth ratio
11.36%
Return on assets
1.30%
60+ day delinquency
0.88%
Suggested direct comparisons
Chicago, IL
$66.5B
NATIONAL POLICE
CHICAGO, IL
$615.1M
Complaint percentiles are intentionally withheld while TFS audits CFPB company matching and import coverage. Peer conclusions use complete same-quarter regulatory metrics only.