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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001179684</rptOwnerCik>
            <rptOwnerName>DILLARD WILLIAM T II</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>DILLARD DEPARTMENT STORES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1600 CANTRELL ROAD</rptOwnerStreet2>
            <rptOwnerCity>LITTLE ROCK</rptOwnerCity>
            <rptOwnerState>AR</rptOwnerState>
            <rptOwnerZipCode>72201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, $.10 Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>10090</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.92</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>66905</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These shares were issued to the reporting person as compensation for his service as a director of the registrant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Catherine L. Hughes, Attorney-in-Fact  For: William T. Dillard II</signatureName>
        <signatureDate>2009-09-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0303
4
2009-09-01
0
0000733269
ACXIOM CORP
ACXM
0001179684
DILLARD WILLIAM T II
DILLARD DEPARTMENT STORES, INC.
1600 CANTRELL ROAD
LITTLE ROCK
AR
72201
1
0
0
0
Common Stock, $.10 Par Value
2009-09-01
4
J
0
10090
8.92
A
66905
D
These shares were issued to the reporting person as compensation for his service as a director of the registrant.
By: Catherine L. Hughes, Attorney-in-Fact  For: William T. Dillard II
2009-09-03