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    <schemaVersion>X0708</schemaVersion>

    <submissionType>D/A</submissionType>

    <testOrLive>LIVE</testOrLive>

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        <cik>0001130144</cik>
        <entityName>SIERRA BANCORP</entityName>
        <issuerAddress>
            <street1>86 NORTH MAIN STREET</street1>
            <city>PORTERVILLE</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>93257</zipCode>
        </issuerAddress>
        <issuerPhoneNumber>5597824900</issuerPhoneNumber>
        <jurisdictionOfInc>CALIFORNIA</jurisdictionOfInc>
        <issuerPreviousNameList>
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        </issuerPreviousNameList>
        <edgarPreviousNameList>
            <value>None</value>
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        <entityType>Corporation</entityType>
        <yearOfInc>
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        </yearOfInc>
    </primaryIssuer>

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        <relatedPersonInfo>
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                <firstName>Kevin</firstName>
                <lastName>McPhaill</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
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                <city>Porterville</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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                <relationship>Director</relationship>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Christopher</firstName>
                <lastName>Treece</lastName>
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                <city>Porterville</city>
                <stateOrCountry>CA</stateOrCountry>
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                <zipCode>93257</zipCode>
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                <firstName>Hugh</firstName>
                <lastName>Boyle</lastName>
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                <street1>86 N. Main St.</street1>
                <city>Porterville</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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                <lastName>Olague</lastName>
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            <relatedPersonAddress>
                <street1>86 N. Main St.</street1>
                <city>Porterville</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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                <lastName>Johnson</lastName>
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                <city>Porterville</city>
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                <zipCode>93257</zipCode>
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            <relatedPersonName>
                <firstName>Morris</firstName>
                <lastName>Tharp</lastName>
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                <street1>86 N. Main St.</street1>
                <city>Porterville</city>
                <stateOrCountry>CA</stateOrCountry>
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                <zipCode>93257</zipCode>
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            <relatedPersonRelationshipList>
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        <relatedPersonInfo>
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                <firstName>Albert</firstName>
                <lastName>Berra</lastName>
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                <lastName>Christenson</lastName>
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                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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                <relationship>Director</relationship>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Laurence</firstName>
                <lastName>Dutto</lastName>
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                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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            <relatedPersonName>
                <firstName>James</firstName>
                <lastName>Holly</lastName>
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            <relatedPersonAddress>
                <street1>86 N. Main St.</street1>
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                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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                <lastName>Scearcy</lastName>
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                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Gordon</firstName>
                <lastName>Woods</lastName>
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            <relatedPersonAddress>
                <street1>86 N. Main St.</street1>
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                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Susan</firstName>
                <lastName>Abundas</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>86 N. Main St.</street1>
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                <stateOrCountry>CA</stateOrCountry>
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                <zipCode>93257</zipCode>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Julie</firstName>
                <lastName>Castle</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>86 N. Main St.</street1>
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                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>93257</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Director</relationship>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Commercial Banking</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>$25,000,001 - $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06b</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>true</isAmendment>
                <previousAccessionNumber>0001130144-21-000001</previousAccessionNumber>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2021-09-24</value>
            </dateOfFirstSale>
        </typeOfFiling>
        <durationOfOffering>
            <moreThanOneYear>false</moreThanOneYear>
        </durationOfOffering>
        <typesOfSecuritiesOffered>
            <isDebtType>true</isDebtType>
        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>false</isBusinessCombinationTransaction>
            <clarificationOfResponse></clarificationOfResponse>
        </businessCombinationTransaction>
        <minimumInvestmentAccepted>2000</minimumInvestmentAccepted>
        <salesCompensationList>
            <recipient>
                <recipientName>Keefe, Bruyette &amp; Woods, Inc.</recipientName>
                <recipientCRDNumber>481</recipientCRDNumber>
                <associatedBDName>None</associatedBDName>
                <associatedBDCRDNumber>None</associatedBDCRDNumber>
                <recipientAddress>
                    <street1>787 7th Avenue</street1>
                    <city>New York</city>
                    <stateOrCountry>NY</stateOrCountry>
                    <stateOrCountryDescription>NEW YORK</stateOrCountryDescription>
                    <zipCode>10019</zipCode>
                </recipientAddress>
                <statesOfSolicitationList>
                    <state>MN</state>
                    <description>MINNESOTA</description>
                    <state>MO</state>
                    <description>MISSOURI</description>
                    <state>TX</state>
                    <description>TEXAS</description>
                    <state>WA</state>
                    <description>WASHINGTON</description>
                    <state>AL</state>
                    <description>ALABAMA</description>
                    <state>NY</state>
                    <description>NEW YORK</description>
                    <state>AR</state>
                    <description>ARKANSAS</description>
                    <state>PA</state>
                    <description>PENNSYLVANIA</description>
                    <state>MA</state>
                    <description>MASSACHUSETTS</description>
                    <state>ND</state>
                    <description>NORTH DAKOTA</description>
                    <state>MD</state>
                    <description>MARYLAND</description>
                    <state>IA</state>
                    <description>IOWA</description>
                    <state>OH</state>
                    <description>OHIO</description>
                    <state>GA</state>
                    <description>GEORGIA</description>
                    <state>NH</state>
                    <description>NEW HAMPSHIRE</description>
                    <state>CA</state>
                    <description>CALIFORNIA</description>
                    <state>VT</state>
                    <description>VERMONT</description>
                </statesOfSolicitationList>
                <foreignSolicitation>false</foreignSolicitation>
            </recipient>
        </salesCompensationList>
        <offeringSalesAmounts>
            <totalOfferingAmount>50000000</totalOfferingAmount>
            <totalAmountSold>50000000</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse></clarificationOfResponse>
        </offeringSalesAmounts>
        <investors>
            <hasNonAccreditedInvestors>false</hasNonAccreditedInvestors>
            <totalNumberAlreadyInvested>28</totalNumberAlreadyInvested>
        </investors>
        <salesCommissionsFindersFees>
            <salesCommissions>
                <dollarAmount>750000</dollarAmount>
            </salesCommissions>
            <findersFees>
                <dollarAmount>0</dollarAmount>
            </findersFees>
            <clarificationOfResponse></clarificationOfResponse>
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        <useOfProceeds>
            <grossProceedsUsed>
                <dollarAmount>0</dollarAmount>
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            <clarificationOfResponse></clarificationOfResponse>
        </useOfProceeds>
        <signatureBlock>
            <authorizedRepresentative>false</authorizedRepresentative>
            <signature>
                <issuerName>SIERRA BANCORP</issuerName>
                <signatureName>Michael Staub</signatureName>
                <nameOfSigner>Michael Staub</nameOfSigner>
                <signatureTitle>Counsel</signatureTitle>
                <signatureDate>2021-10-05</signatureDate>
            </signature>
        </signatureBlock>
    </offeringData>
</edgarSubmission>