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Credit union · NCUA insured

Williamson County Catholic CU

A $2.9M credit union headquartered in Herrin, IL, with 624 members and 1 branch in Illinois. Best rates: CDs 3.84% and savings 0.35% APY.

Williamson County Catholic CU Carrot Score

69

Carrot Score

Higher than 24% of U.S. banks and credit unions

LowestMiddleHighest

#3 of 9 in Marion, IL metroHow the score works →

Deposits are federally insured by the NCUA up to $250,000 per depositor.

About Williamson County Catholic CU

Originally chartered in 1952 as St. Joseph's Credit Union of Marion, Williamson County Catholic Credit Union adopted its current name in 1976 and operates in Herrin, Illinois.

The institution is a member-owned financial cooperative serving Catholic communities across Williamson County.

Headquarters
210 W Monroe St, Herrin, IL 62948
NCUA charter
63459
Visit institution website ↗

Who can join

This may be incomplete or out of date, so check with the credit union before you apply.

Employers and groups

  • Any member of a Catholic Church in Williamson County can join the credit union.

Family and household

  • Family of any member of a Catholic Church in Williamson County can join the credit union.

Cost to join

  • To start membership, an applicant must open a Share Account with a deposit of $5.00.

1 branch in Illinois

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Walk-in offices from the NCUA directory as of March 31, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.