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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Hi1uCkcbJWfsIrsvkEGkqVf0GCPGLq+YEMGjjImLrq9BK0PabFSJh9oI7swYSU1e
 l3OoPUWb2rp4X78IRfjM2w==

<SEC-DOCUMENT>0000091928-11-000012.txt : 20110128
<SEC-HEADER>0000091928-11-000012.hdr.sgml : 20110128
<ACCEPTANCE-DATETIME>20110128130212
ACCESSION NUMBER:		0000091928-11-000012
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110128
FILED AS OF DATE:		20110128
DATE AS OF CHANGE:		20110128

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Malik Shahid
		CENTRAL INDEX KEY:			0001307546

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06364
		FILM NUMBER:		11554811

	MAIL ADDRESS:	
		STREET 1:		TWO GATEWAY CENTER
		STREET 2:		9TH FLOOR
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>f3forsm.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2011-01-28</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001307546</rptOwnerCik>
            <rptOwnerName>Malik Shahid</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>616 ST. JAMES STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PITTSBURGH</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15232</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <ownerSignature>
        <signatureName>Shahid Malik</signatureName>
        <signatureDate>2011-01-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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