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Credit union · NCUA insured

A $43M credit union headquartered in Marinette, WI, with 3,002 members and 2 branches in 2 states. Best rates: CDs 4.05% and savings 2.00% APY.

Tri-County Credit Union Carrot Score

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Higher than 77% of U.S. banks and credit unions

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#5 of 13 in Marinette, WI-MI metroHow the score works →

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

About Tri-County Credit Union

Headquarters
2205 Hall Ave, Suite 107, Marinette, WI 54143
NCUA charter
66640
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Who can join

This may be incomplete or out of date, so check with the credit union before you apply.

Where you live or work

  • You are eligible to join if you live or work in Marinette or Oconto County in Wisconsin or Menominee County in Michigan.

Family and household

  • Immediate family members of Tri-County Credit Union are eligible to join, no matter where they live.

Cost to join

  • A deposit of $5.00 into a primary share savings account is required for membership, along with a social security card and current driver's license or picture ID.

2 branches in 2 states

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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.