content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001405839</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0001130144</issuerCik>
        <issuerName>SIERRA BANCORP</issuerName>
        <secFileNumber>000-33063</secFileNumber>
        <issuerAddress>
          <com:street1>86 NORTH MAIN STREET</com:street1>
          <com:city>PORTERVILLE</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>93257</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>5597824900</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Castle Julie G</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>245 Summer Street</com:street1>
            <com:city>Boston   </com:city>
            <com:stateOrCountry>MA</com:stateOrCountry>
            <com:zipCode>02110</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>1105</noOfUnitsSold>
        <aggregateMarketValue>35172.00</aggregateMarketValue>
        <noOfUnitsOutstanding>14393598</noOfUnitsOutstanding>
        <approxSaleDate>02/06/2025</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>11/19/2022</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Award</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1105</amountOfSecuritiesAcquired>
        <paymentDate>11/19/2022</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <remarks>Selling out of Castle Family Trust</remarks>
      <noticeSignature>
        <noticeDate>02/05/2025</noticeDate>
        <signature>/s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Castle Julie G</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 2874}]
text: 144
  0001405839
  XXXXXXXX
  LIVE
  0001130144
  SIERRA BANCORP
  000-33063
  86 NORTH MAIN STREET
  PORTERVILLE
  CA
  93257
  5597824900
  Castle Julie G
  Director
  Common
  Fidelity Brokerage Services LLC
  245 Summer Street
  Boston
  MA
  02110
  1105
  35172.00
  14393598
  02/06/2025
  NASDAQ
  Common
  11/19/2022
  Stock Award
  Issuer
  N
  1105
  11/19/2022
  Compensation
  Y
  Selling out of Castle Family Trust
  02/05/2025
  /s/ Cristina Garcia, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Castle Julie G