Since its inception in 1936 the Tri-county Credit Union has been serving its members in the Marinette, Wisconsin area with exceptional financial products. You can find their current interest rates on used car loans, new car loans, 1st mortgage loans and interest rates on both fixed and adjustable mortgages here on these pages. Currently led by Rachel Raygo, the Tri-county CU has grown its membership to over 2,543 with assets of more than $28,874,174. They have a main office and 3 branch offices.