<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType><periodOfReport>2000-12-20</periodOfReport><dateOfOriginalSubmission>2001-03-05</dateOfOriginalSubmission>
    <issuer>
        <issuerCik>0001056087</issuerCik>
        <issuerName>MCCLATCHY CO</issuerName>
        <issuerTradingSymbol>MNI</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001180607</rptOwnerCik>
            <rptOwnerName>BALLANTINE ELIZABETH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2100 Q STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SACRAMENTO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95816</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Class A Common Stock</value></securityTitle><transactionDate><value>2000-12-20</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>G</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>1905</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>68781</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value><footnoteId id="F1"/><footnoteId id="F2"/></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Includes 8,169 shares held by trusts for the benefit of the reporting person for which the reporting person is a trustee.</footnote><footnote id="F2">Does not include 11,430 shares held by her spouse and children, and in trust for the benefit of her children, each of whom share her household.  Ms. Ballantine disclaims beneficial ownership of these shares and this report should not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other person.</footnote></footnotes><remarks/><ownerSignature><signatureName>Elizabeth Ballantine</signatureName><signatureDate>2003-09-29</signatureDate></ownerSignature></ownershipDocument>

