-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001353605-10-000122.txt : 20101004
<SEC-HEADER>0001353605-10-000122.hdr.sgml : 20101004
<ACCEPTANCE-DATETIME>20101004161238
ACCESSION NUMBER:		0001353605-10-000122
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100930
FILED AS OF DATE:		20101004
DATE AS OF CHANGE:		20101004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mailloux J Wayne
		CENTRAL INDEX KEY:			0001464801

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12755
		FILM NUMBER:		101105914

	MAIL ADDRESS:	
		STREET 1:		2515 MCKINNEY AVENUE
		STREET 2:		SUITE 1200
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DEAN FOODS CO
		CENTRAL INDEX KEY:			0000931336
		STANDARD INDUSTRIAL CLASSIFICATION:	ICE CREAM & FROZEN DESSERTS [2024]
		IRS NUMBER:				752559681
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2711 N. HASKELL AVENUE
		STREET 2:		SUITE 3400
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75204
		BUSINESS PHONE:		2143033400

	MAIL ADDRESS:	
		STREET 1:		2711 N. HASKELL AVENUE
		STREET 2:		SUITE 3400
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75204

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DEAN FOODS CO/
		DATE OF NAME CHANGE:	20011221

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SUIZA FOODS CORP
		DATE OF NAME CHANGE:	19941013
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-09-30</periodOfReport>

    <issuer>
        <issuerCik>0000931336</issuerCik>
        <issuerName>DEAN FOODS CO</issuerName>
        <issuerTradingSymbol>DF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001464801</rptOwnerCik>
            <rptOwnerName>Mailloux J Wayne</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2711 NORTH HASKELL AVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 3400</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75204</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>3926</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12406</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These are shares of restricted stock issued in payment of fees owed for services as an independent director.  All such shares are subject to vesting in three equal increments, with the first vesting occurring as of the date the shares were issued and then annually thereafter.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Katherine K. Connell, Attorney-In-Fact</signatureName>
        <signatureDate>2010-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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