<SUBMISSION>
<ACCESSION-NUMBER>0000318300-05-000059
<TYPE>4/A
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20050310
<FILING-DATE>20050415
<DATE-OF-FILING-DATE-CHANGE>20050415
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>PEOPLES BANCORP INC
<CIK>0000318300
<ASSIGNED-SIC>6021
<IRS-NUMBER>310987416
<STATE-OF-INCORPORATION>OH
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>138 PUTNAM ST
<STREET2>P O BOX 738
<CITY>MARIETTA
<STATE>OH
<ZIP>45750-0738
<PHONE>7403733155
</BUSINESS-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>CONLON JOHN W
<CIK>0001021209
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4/A
<ACT>34
<FILE-NUMBER>000-16772
<FILM-NUMBER>05753767
</FILING-VALUES>
<BUSINESS-ADDRESS>
<PHONE>6143746136
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>PEOPLES BANCORP INC LEGAL DEPARTMENT
<STREET2>P O BOX 738
<CITY>MARIETTA
<STATE>OH
<ZIP>45750-0738
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2005-03-10</periodOfReport>

    <dateOfOriginalSubmission>2005-03-11</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000318300</issuerCik>
        <issuerName>PEOPLES BANCORP INC</issuerName>
        <issuerTradingSymbol>PEBO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001021209</rptOwnerCik>
            <rptOwnerName>CONLON JOHN W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PEOPLES BANCORP INC.</rptOwnerStreet1>
            <rptOwnerStreet2>P O BOX 738</rptOwnerStreet2>
            <rptOwnerCity>MARIETTA</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45750-0738</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO/Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>17860</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>This amended Form 4 is being filed to correct the erroneously reported sale
of 1,000 shares at $25.94.</remarks>

    <ownerSignature>
        <signatureName>Donald J. Landers POA for John W. Conlon</signatureName>
        <signatureDate>2005-04-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
