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                                                             Exhibit 99.Cert.906

FORM N-CSR ITEM 11(b) EXHIBIT

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

       The undersigned hereby certify in their capacity as Treasurer and
President, respectively, of EATON VANCE MUNICIPAL INCOME TRUST (the "Fund"),
that:

  (a)  the Semi-Annual Report of the Fund on Form N-CSR for the period ended May
       31, 2004 (the "Report") fully complies with the requirements of Section
       13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

  (b)  the information contained in the Report fairly presents, in all material
       respects, the financial condition and the results of operations of the
       Fund for such period.

A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO THE FUND AND WILL BE RETAINED BY THE FUND AND FURNISHED TO THE
SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.

Date: July 20, 2004
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/s/ James L. O'Connor
- --------------------------------------
James L. O'Connor
Treasurer

Date: July 20, 2004
      -------------


/s/ Thomas J. Fetter
- --------------------------------------
Thomas J. Fetter
President