-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AHSyq0LMSEva1qQUWCuphk6LdUewqypey6JGaBDQ9wZybvnncKKhI6M/qpMSEvgT
 qdAY/5vx9Kjl5QpUztr12A==

<SEC-DOCUMENT>0000029534-06-000062.txt : 20060726
<SEC-HEADER>0000029534-06-000062.hdr.sgml : 20060726
<ACCEPTANCE-DATETIME>20060726155431
ACCESSION NUMBER:		0000029534-06-000062
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060724
FILED AS OF DATE:		20060726
DATE AS OF CHANGE:		20060726

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DOLLAR GENERAL CORP
		CENTRAL INDEX KEY:			0000029534
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-VARIETY STORES [5331]
		IRS NUMBER:				610502302
		STATE OF INCORPORATION:			TN
		FISCAL YEAR END:			0131

	BUSINESS ADDRESS:	
		STREET 1:		100 MISSION RIDGE
		CITY:			GOODLETTSVILLE
		STATE:			TN
		ZIP:			37072
		BUSINESS PHONE:		6158554000

	MAIL ADDRESS:	
		STREET 1:		100 MISSION RIDGE
		CITY:			GOODLETTSVILLE
		STATE:			TN
		ZIP:			37072

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TURNER CAL
		DATE OF NAME CHANGE:	19710401

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TURNER J L & SON INC
		DATE OF NAME CHANGE:	19710401

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			THORNBURGH RICHARD E
		CENTRAL INDEX KEY:			0001369635

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11421
		FILM NUMBER:		06981627

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(615) 855-4000

	MAIL ADDRESS:	
		STREET 1:		100 MISSION RIDGE
		CITY:			GOODLETTSVILLE
		STATE:			TN
		ZIP:			37072
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-07-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000029534</issuerCik>
        <issuerName>DOLLAR GENERAL CORP</issuerName>
        <issuerTradingSymbol>DG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001369635</rptOwnerCik>
            <rptOwnerName>THORNBURGH RICHARD E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>100 MISSION RIDGE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GOODLETTSVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37072</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-07-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4600</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2007-07-24</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4600</value>
                    <footnoteId id="F2"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4600</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The restricted stock units convert to shares of common stock on a one-for-one basis.</footnote>
        <footnote id="F2">Represents the number of restricted stock units granted to the reporting person on July 24, 2006 pursuant to the terms of the Dollar General Corporation 1998 Stock Incentive Plan.</footnote>
        <footnote id="F3">Although the restricted stock units generally vest on July 24, 2007, no payout can be made (in either shares of common stock or in cash) until the reporting person ceases service as a director of the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Susan S. Lanigan, By Power of Attorney</signatureName>
        <signatureDate>2006-07-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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