Get to Know: SIU

SIU in Carbondale, IL — 46K members, $561M in assets, chartered 1938. Key facts and most recent NCUA Call Report figures.

By CU Wire Staff·June 4, 2026 · 09:00 ET·1 min read·2 primary sources

SIU is a state-chartered credit union headquartered in Carbondale, IL, chartered in 1938. Here are the key facts and most recent NCUA Call Report figures.

The basics

Headquarters: Carbondale, IL
Chartered: 1938
Charter type: State-chartered credit union (charter #60279)
Field of membership: State Charter – Various
CEO: Mike Lantrip
Members: 45,875
Total assets: $560,968,231
Designations: Low-Income Designated
Website: siucu.org

Performance (2025-Q4)

Net worth ratio: 11.57%
Return on assets: 1.06%
Delinquency: 0.84%
Net charge-offs: 0.67%
Loan-to-share: 78.8%
Net interest margin: 3.53%
Efficiency ratio: 75.3%

See SIU's full financial profile on CU Wire Data →

Source: NCUA Call Report, 2025-Q4. Figures are as reported by the credit union.

Corrections & updates

What's changed since publication

This story was published June 4, 2026. There are no corrections or updates at this time. Errors are logged on the public corrections log, dated. The original text is not silently rewritten.

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