-----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,
 THpuxhtcHH1AWZYRTfhT7bz1mYj92u671BftEoQGnsrmALxT3R280d1Eg9W2/4VQ
 qv7kIfHbB69KkgUFkgeodA==

<SEC-DOCUMENT>0001032220-10-000021.txt : 20100302
<SEC-HEADER>0001032220-10-000021.hdr.sgml : 20100302
<ACCEPTANCE-DATETIME>20100302124151
ACCESSION NUMBER:		0001032220-10-000021
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100226
FILED AS OF DATE:		20100302
DATE AS OF CHANGE:		20100302

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MONTONI RICHARD A
		CENTRAL INDEX KEY:			0001254635

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12997
		FILM NUMBER:		10648163

	MAIL ADDRESS:	
		STREET 1:		C/O MAXIMUS INC
		STREET 2:		11419 SUNSET HILLS RD
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190

	FORMER NAME:	
		FORMER CONFORMED NAME:	MANTONI RICHARD A
		DATE OF NAME CHANGE:	20030716

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAXIMUS INC
		CENTRAL INDEX KEY:			0001032220
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				541000588
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		ATTN: TREASURY DEPT.
		STREET 2:		11419 SUNSET HILLS ROAD
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
		BUSINESS PHONE:		7032518500

	MAIL ADDRESS:	
		STREET 1:		ATTN: TREASURY DEPT.
		STREET 2:		11419 SUNSET HILLS ROAD
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-02-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001032220</issuerCik>
        <issuerName>MAXIMUS INC</issuerName>
        <issuerTradingSymbol>MMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001254635</rptOwnerCik>
            <rptOwnerName>MONTONI RICHARD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O MAXIMUS INC</rptOwnerStreet1>
            <rptOwnerStreet2>11419 SUNSET HILLS RD</rptOwnerStreet2>
            <rptOwnerCity>RESTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>20190</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Dividend Equivalent Rights</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-02-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>252.208</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>252.208</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>121270.599</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Dividend equivalent rights accrued on previously-awarded restricted stock units (&quot;RSUs&quot;) which vest proportionately with the RSUs to which they relate.  Each dividend equivalent right is the economic equivalent of one share of MAXIMUS common stock.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>David R. Francis: As Attorney-In-Fact for:Richard Montoni</signatureName>
        <signatureDate>2010-03-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----