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                                                                    EXHIBIT 24.1


                                IBT BANCORP, INC.

                                Power of Attorney
                                   of Director


     KNOW ALL MEN BY THESE PRESENTS, that the undersigned director of IBT
BANCORP, INC., a Michigan corporation (the "Company"), does hereby make,
constitute and appoint DAVID W. HOLE and DENNIS P. ANGNER, and each or any one
of them, the undersigned's true and lawful attorneys-in-fact, with power of
substitution, for the undersigned and in the undersigned's name, place and
stead, to sign and affix the undersigned's name as such director of said Company
to a Registration Statement on Form S-4 or other applicable form, and all
amendments, including post-effective amendments, thereto, to be filed by said
Company with the Securities and Exchange Commission, Washington, D.C., in
connection with the registration under the Securities Act of 1933, as amended,
of up to 875,092 shares of Common Stock of the Company adjusted for any change
in the number of outstanding shares of Common Stock resulting from stock splits,
reverse stock splits, or stock dividends occurring after the date hereof, which
may be issued in connection with the acquisition by the Company of FSB Bancorp,
Inc. and its subsidiary, and to file the same, with all exhibits thereto and
other supporting documents, with said Commission, granting unto said
attorneys-in-fact, and each of them, full power and authority to do and perform
any and all acts necessary or incidental to the performance and execution of the
powers herein expressly granted.

     IN WITNESS WHEREOF, the undersigned has executed this power of attorney
this 5th day of May, 2000.


/s/ L.A. Johns
/s/ Frederick L. Bradford, DDS
/s/ Gerald D. Cassel
/s/ James C. Fabiano
/s/ David W. Hole
/s/ Ronald E. Schumacher
/s/ Robert O. Smith
/s/ Dean E. Walldorff
/s/ Dennis P. Angner