-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Ij2ZBO1+Xhk7rMQNnux+JoyZWdvFqErcHkC0RJN2qZH3enPxLrAc5p7jpbjDZdJC
 NQSMfHYEeNaPIhkaoF5lFg==

<SEC-DOCUMENT>0000091928-04-000006.txt : 20040209
<SEC-HEADER>0000091928-04-000006.hdr.sgml : 20040209
<ACCEPTANCE-DATETIME>20040209134546
ACCESSION NUMBER:		0000091928-04-000006
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040201
FILED AS OF DATE:		20040209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SOUTH JERSEY INDUSTRIES INC
		CENTRAL INDEX KEY:			0000091928
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		IRS NUMBER:				221901645
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1 SOUTH JERSEY PLAZA
		STREET 2:		ROUTE 54
		CITY:			FOLSOM
		STATE:			NJ
		ZIP:			08037
		BUSINESS PHONE:		609-561-9000

	MAIL ADDRESS:	
		STREET 1:		1 SOUTH JERSEY PLAZA
		STREET 2:		ROUTE 54
		CITY:			FOLSOM
		STATE:			NJ
		ZIP:			08037

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTH JERSEY GAS CO
		DATE OF NAME CHANGE:	19700507

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ATLANTIC CITY GAS CO
		DATE OF NAME CHANGE:	19680301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BOSLEY HELEN R
		CENTRAL INDEX KEY:			0001274982

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06364
		FILM NUMBER:		04577012

	BUSINESS ADDRESS:	
		STREET 1:		PRES CORPORATE FINANCIAL MGMT INC
		STREET 2:		57 SOUTH MAIN ST
		CITY:			YARDLEY
		STATE:			PA
		ZIP:			19067
		BUSINESS PHONE:		2153213215
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>f3forhrb.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-02-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000091928</issuerCik>
        <issuerName>SOUTH JERSEY INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>SJI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001274982</rptOwnerCik>
            <rptOwnerName>BOSLEY HELEN R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>546 PALMER FARM DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>YARDLEY</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19067</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>So.Jersey Ind., Inc. Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>496.567</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>Helen Bosley</signatureName>
        <signatureDate>2004-02-09</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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