EXHIBIT 32
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                           SECTION 1350 CERTIFICATIONS


         In connection with the Quarterly Report of Peoples Bancorp Inc.
("Peoples Bancorp") on Form 10-Q for the fiscal quarter ended March 31, 2004, as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Mark F. Bradley, Chairman of the Board, President and Chief
Executive Officer of Peoples Bancorp, and I, John W. Conlon, Chief Financial
Officer and Treasurer of Peoples Bancorp, certify, pursuant to Section 1350 of
Chapter 63 of Title 18 of the United States Code, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

      (1) The Report fully complies with the requirements of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; and

      (2) The information contained in the Report fairly presents, in all
          material respects, the financial condition and results of operations
          of Peoples Bancorp.


Date:  May 10, 2004             /s/ MARK F. BRADLEY
                                    -------------------------------------
                                    Mark F. Bradley
                                    Chief Operating Officer



Date:  May 10, 2004             /s/ JOHN W. CONLON
                                    -------------------------------------
                                    John W. Conlon
                                    Chief Financial Officer and Treasurer



* This certification is being furnished as required by Rule 13a-14(b) under the
Securities Exchange Act of 1934 (the "Exchange Act") and Section 1350 of Chapter
63 of Title 18 of the United States Code, and shall not be deemed "filed" for
purposes of Section 18 of the Exchange Act or otherwise subject to the liability
of that Section. This certification shall not be deemed to be incorporated by
reference into any filing under the Securities Act of 1933 or the Exchange Act,
except as otherwise stated in such filing.