-----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,
 T7A16mCFTojCm6dHok6dMPRDOHm9S7yTcxz8Txvc7VeLfz7evt4FNiAFqM8gOZXk
 w2EAS5GJlFUS7S32vzjUXw==

<SEC-DOCUMENT>0001201781-04-000004.txt : 20040210
<SEC-HEADER>0001201781-04-000004.hdr.sgml : 20040210
<ACCEPTANCE-DATETIME>20040210154302
ACCESSION NUMBER:		0001201781-04-000004
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040210

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SHELLY P GREGORY
		CENTRAL INDEX KEY:			0001201781

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-07617
		FILM NUMBER:		04581905

	MAIL ADDRESS:	
		STREET 1:		736 CLEMENS ROAD
		CITY:			TELFORD
		STATE:			PA
		ZIP:			18969

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNIVEST CORP OF PENNSYLVANIA
		CENTRAL INDEX KEY:			0000102212
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				231886144
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		10 W BROAD ST
		CITY:			SOUDERTON
		STATE:			PA
		ZIP:			18964
		BUSINESS PHONE:		2157212400

	MAIL ADDRESS:	
		STREET 1:		10 W BROAD STREET
		CITY:			SOUDERTON
		STATE:			PA
		ZIP:			18964
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2003-12-31</periodOfReport>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000102212</issuerCik>
        <issuerName>UNIVEST CORP OF PENNSYLVANIA</issuerName>
        <issuerTradingSymbol>UVSP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001201781</rptOwnerCik>
            <rptOwnerName>SHELLY P GREGORY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>736 CLEMENS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>TELFORD</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18969</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>41466.2063</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4130.6226</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Spouse Nancy West Shelly</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4571.3509</value>
                    <footnoteId id="F3"/>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Custodian for Laura C. Shelly</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>COMMON</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4053.9917</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Custodian for Zachary W. Shelly</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>PHANTOM STOCK</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F7"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>COMMON</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1762.1946</value>
                    <footnoteId id="F5"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1762.1946</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">DOES INCLUDE 27,003.6647 SHARES ACQUIRED ON OR AFTER AUGUST 15,1996 THROUGH THE DIVIDEND REINVESTMENT PLAN.</footnote>
        <footnote id="F2">DOES INCLUDE 3,553.1842 SHARES ACQUIRED ON OR AFTER AUGUST 15,1996 THROUGH THE DIVIDEND REINVESTMENT PLAN.</footnote>
        <footnote id="F3">DOES INCLUDE 3,868.2708 SHARES ACQUIRED ON OR AFTER AUGUST 15,1996 THROUGH THE DIVIDEND REINVESTMENT PLAN.</footnote>
        <footnote id="F4">DOES INCLUDE 3,476.5533 SHARES ACQUIRED ON OR AFTER AUGUST 15,1996 THROUGH THE DIVIDEND REINVESTMENT PLAN.</footnote>
        <footnote id="F5">DOES INCLUDE THE 5 FOR 4 STOCK SPLIT IN THE FORM OF A STOCK DIVIDEND ISSUED FEBRUARY 28, 2003.</footnote>
        <footnote id="F6">THE PHANTOM STOCK UNITS WERE ACCRUED UNDER THE UNIVEST DIRECTORS DEFERRED COMPENSATION PLAN ON VARIOUS DATES DURING 2003 AT PRICES RANGING FROM $33.20 TO $40.525 PER UNIT; 1 FOR 1 EXCHANGE AT RETIREMENT.</footnote>
        <footnote id="F7">PHANTOM STOCK RIGHTS ARE EXERCISABLE AT RETIREMENT.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Wallace H. Bieler</signatureName>
        <signatureDate>2004-02-10</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----