-----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,
 D079I7Nklr3SRqb/SxwWejN6dHYq7k9my0LhFcE+R6IQZz5shPKLgfMCT5uLnK1A
 PluIo+HD+UcLFAgbicYr/g==

<SEC-DOCUMENT>0001005477-03-001134.txt : 20030515
<SEC-HEADER>0001005477-03-001134.hdr.sgml : 20030515
<ACCEPTANCE-DATETIME>20030515175247
ACCESSION NUMBER:		0001005477-03-001134
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030513
FILED AS OF DATE:		20030515

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FARMERS & MERCHANTS BANCORP
		CENTRAL INDEX KEY:			0001085913
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				943327828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		121 WEST PINE ST
		CITY:			LODI
		STATE:			CA
		ZIP:			95240-2184
		BUSINESS PHONE:		2093672411

	MAIL ADDRESS:	
		STREET 1:		FARMERS AND MERCHANTS BANCORP
		STREET 2:		121 WEST PINE ST
		CITY:			LODI
		STATE:			CA
		ZIP:			95240-2184

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SEUSS CALVIN J
		CENTRAL INDEX KEY:			0001184710

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26099
		FILM NUMBER:		03706688

	BUSINESS ADDRESS:	
		STREET 1:		1249 S. AVENA
		CITY:			LODI
		STATE:			CA
		ZIP:			95240
		BUSINESS PHONE:		2093694091

	MAIL ADDRESS:	
		STREET 1:		1249 S. AVENA
		CITY:			LODI
		STATE:			CA
		ZIP:			95240
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar123.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0101</schemaVersion>

<documentType>4</documentType>
    <periodOfReport>2003-05-13</periodOfReport>
    <notSubjectToSection16>0</notSubjectToSection16>
<issuer>        <issuerCik>0001085913</issuerCik>
        <issuerName>FARMERS &amp; MERCHANTS BANCORP</issuerName>
<issuerTradingSymbol>FMCB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
    <reportingOwnerId>
        <rptOwnerCik>0001184710</rptOwnerCik>
            <rptOwnerName>SEUSS CALVIN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
<reportingOwnerRelationship>
        <isDirector>1</isDirector>
        <isOfficer>0</isOfficer>
        <isTenPercentOwner>0</isTenPercentOwner>
        <isOther>0</isOther>
    </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-05-13</value>
        </transactionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>P</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
    </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>100</value>
            </transactionShares>
            <transactionValue>
                <value>25000</value>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>812</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Stock</value>
        </securityTitle>
        <transactionDate>
            <value>2003-05-14</value>
        </transactionDate>
    <transactionCoding>
        <transactionFormType>4</transactionFormType>
        <transactionCode>J</transactionCode>
        <equitySwapInvolved>0</equitySwapInvolved>
        <footnoteId id="F1"/>
    </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>35</value>
            </transactionShares>
            <transactionValue>
                <value>0</value>
                <footnoteId id="F1"/>
            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>A</value>
            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>847</value>
            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>
            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>

    <footnotes>
        <footnote id="F1">Stock Dividend</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Calvin J Suess</signatureName>
        <signatureDate>2003-05-15</signatureDate>
    </ownerSignature>

</ownershipDocument>

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