-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 QPG7KYC/6kDnZPKp0YPjKeUTEDL1mFgf5NRPbbSgkxPYjNO0aehaHzYFIUtnZkAN
 7MctmTsOtCN2O0ypCz14Hg==

<SEC-DOCUMENT>0000318300-04-000147.txt : 20040806
<SEC-HEADER>0000318300-04-000147.hdr.sgml : 20040806
<ACCEPTANCE-DATETIME>20040806144212
ACCESSION NUMBER:		0000318300-04-000147
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040805
FILED AS OF DATE:		20040806

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PEOPLES BANCORP INC
		CENTRAL INDEX KEY:			0000318300
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				310987416
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		138 PUTNAM ST
		STREET 2:		P O BOX 738
		CITY:			MARIETTA
		STATE:			OH
		ZIP:			45750-0738
		BUSINESS PHONE:		7403733155

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VADAKIN THOMAS C
		CENTRAL INDEX KEY:			0001021207

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16772
		FILM NUMBER:		04957537

	BUSINESS ADDRESS:	
		STREET 1:		PEOPLES BANCORP INC LEGAL DEPARTMENT
		STREET 2:		P O BOX 738
		CITY:			MARIETTA
		STATE:			OH
		ZIP:			45750-0738
		BUSINESS PHONE:		6143746136

	MAIL ADDRESS:	
		STREET 1:		PEOPLES BANCORP INC LEGAL DEPARTMENT
		STREET 2:		P O BOX 738
		CITY:			MARIETTA
		STATE:			OH
		ZIP:			45750-0738
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001021207</rptOwnerCik>
            <rptOwnerName>VADAKIN THOMAS C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PEOPLES BANCORP INC LEGAL DEPARTMENT</rptOwnerStreet1>
            <rptOwnerStreet2>P O BOX 738</rptOwnerStreet2>
            <rptOwnerCity>MARIETTA</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45750-0738</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1155</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>21.705</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16858</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-Qualified Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>21.705</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-08-05</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1155</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-04-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2013-04-10</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1155</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <ownerSignature>
        <signatureName>By: Charles R. Hunsaker  For: Thomas C. Vadakin</signatureName>
        <signatureDate>2004-08-06</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----