<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-06-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000733269</issuerCik>
        <issuerName>ACXIOM CORP</issuerName>
        <issuerTradingSymbol>ACXM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001456332</rptOwnerCik>
            <rptOwnerName>Darviche Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ACXIOM CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>601 E. THIRD STREET</rptOwnerStreet2>
            <rptOwnerCity>LITTLE ROCK</rptOwnerCity>
            <rptOwnerState>AR</rptOwnerState>
            <rptOwnerZipCode>72201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Marketing Officer &amp;</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>20000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50.6757</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>by Managed Account 1</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This is a grant of performance units.  Each performance unit represents a contingent right to receive one share of the registrant's common stock.  Vesting will occur on May 26, 2012, contingent upon the reporting person's having satisfied certain performance criteria approved by the Compensation Committee of the registrant's Board of Directors, and contingent upon the reporting person's continued employment with the registrant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Catherine L. Hughes, Attorney-in-Fact  For: Michael N. Darviche</signatureName>
        <signatureDate>2009-07-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2009-06-29
0
0000733269
ACXIOM CORP
ACXM
0001456332
Darviche Michael
ACXIOM CORPORATION
601 E. THIRD STREET
LITTLE ROCK
AR
72201
0
1
0
0
Chief Marketing Officer &
Common Stock, $.10 Par Value
2009-06-29
4
A
0
20000
0
A
30000
D
Common Stock, $.10 Par Value
50.6757
I
by Managed Account 1
This is a grant of performance units.  Each performance unit represents a contingent right to receive one share of the registrant's common stock.  Vesting will occur on May 26, 2012, contingent upon the reporting person's having satisfied certain performance criteria approved by the Compensation Committee of the registrant's Board of Directors, and contingent upon the reporting person's continued employment with the registrant.
By: Catherine L. Hughes, Attorney-in-Fact  For: Michael N. Darviche
2009-07-01