EXHIBIT 32

                           SECTION 1350 CERTIFICATIONS


         In connection with the Quarterly Report of Peoples Bancorp Inc.
("Peoples Bancorp") on Form 10-Q for the quarterly period ended March 31, 2006,
as filed with the Securities and Exchange Commission on the date hereof (the
"Report"), I, Mark F. Bradley, 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:  April 27, 2006               /s/ MARK F. BRADLEY
                                        -------------------------------------
                                        Mark F. Bradley
                                        President and Chief Executive Officer



Date:  April 27, 2006               /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.