<SEC-DOCUMENT>0001209191-20-030337.txt : 20200519
<SEC-HEADER>0001209191-20-030337.hdr.sgml : 20200519
<ACCEPTANCE-DATETIME>20200519114333
ACCESSION NUMBER:		0001209191-20-030337
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200518
FILED AS OF DATE:		20200519
DATE AS OF CHANGE:		20200519

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GEMUNDER JOEL F
		CENTRAL INDEX KEY:			0001224637

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08351
		FILM NUMBER:		20892513

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHEMED CORP
		CENTRAL INDEX KEY:			0000019584
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HOME HEALTH CARE SERVICES [8082]
		IRS NUMBER:				310791746
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 2600
		STREET 2:		255 E FIFTH ST
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202
		BUSINESS PHONE:		(513)762-6690

	MAIL ADDRESS:	
		STREET 1:		SUITE 2600
		STREET 2:		255 E FIFTH STREET
		CITY:			CINCINNATI
		STATE:			OH
		ZIP:			45202-4726

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROTO-ROOTER INC
		DATE OF NAME CHANGE:	20030613

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CHEMED CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-05-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000019584</issuerCik>
        <issuerName>CHEMED CORP</issuerName>
        <issuerTradingSymbol>CHE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001224637</rptOwnerCik>
            <rptOwnerName>GEMUNDER JOEL F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2600 CHEMED CENTER</rptOwnerStreet1>
            <rptOwnerStreet2>255 EAST 5TH STREET</rptOwnerStreet2>
            <rptOwnerCity>CINCINNATI</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>capital stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>279</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>466.43</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>22235</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Award of stock</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Joel F. Gemunder</signatureName>
        <signatureDate>2020-05-19</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
