-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PdpoDD2DAwm2HQsjJ/2hYlkgF5jzWvhHFqeadap/0VT6hihHB0+oMtV9dItIcDs3
 DIlhpJbFEDitu/PO9mVL9g==

<SEC-DOCUMENT>0001032220-10-000129.txt : 20101006
<SEC-HEADER>0001032220-10-000129.hdr.sgml : 20101006
<ACCEPTANCE-DATETIME>20101006141636
ACCESSION NUMBER:		0001032220-10-000129
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101004
FILED AS OF DATE:		20101006
DATE AS OF CHANGE:		20101006

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Walker David N
		CENTRAL INDEX KEY:			0001361344

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12997
		FILM NUMBER:		101111495

	MAIL ADDRESS:	
		STREET 1:		11419 SUNSET HILLS ROAD
		CITY:			RESTON
		STATE:			VA
		ZIP:			20190-5207

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>2010-10-04</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001361344</rptOwnerCik>
            <rptOwnerName>Walker David N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>11419 SUNSET HILLS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RESTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>20190-5207</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2010-10-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>35.09</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18170.245</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-10-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4870</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>60.541</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13300.245</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-10-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>630</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>60.923</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12670.245</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>35.09</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-10-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F5"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F5"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>24700</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2010.</footnote>
        <footnote id="F2">Weighted average sale price for prices ranging from $59.81 to $60.79.  181 shares were sold at $59.81 per share; 100 shares were sold at $59.855 per share; 100 shares were sold at $59.93 per share; 100 shares were sold at $59.94 per share; 100 shares were sold at $60.02 per share; 200 shares were sold at $60.13 per share; 100 shares were sold at $60.24 per share; 100 shares were sold at $60.25 per share; 100 shares were sold at $60.502 per share; 100 shares were sold at $60.506 per share; 100 shares were sold at $60.54 per share; 83 shares were sold at $60.56 per share; 100 shares were sold at $60.58 per share; 92 shares were sold at $60.59 per share; 100 shares were sold at $60.61 per share; 200 shares were sold at $60.62 per share; 100 shares were sold at $60.63 per share; 100 shares were sold at $60.64 per share; 200 shares were sold at $60.65 per share;  (continued in following footnote)</footnote>
        <footnote id="F3">(continued from previous footnote) 317 shares were sold at $60.66 per share; 200 shares were sold at $60.67 per share; 200 shares were sold at $60.68 per share; 200 shares were sold at $60.69 per share; 300 shares were sold at $60.70 per share; 300 shares were sold at $60.71 per share; 200 shares were sold at $60.72 per share; 100 shares were sold at $60.73 per share; 100 shares were sold at $60.74 per share; 200 shares were sold at $60.75 per share; 100 shares were sold at $60.76 per share; 300 shares were sold at $60.77 per share; 70 shares were sold at $60.78 per share; 27 shares were sold at $60.79 per share.</footnote>
        <footnote id="F4">Weighted average sale price for prices ranging from $60.85 to $61.03.  130 shares were sold at $60.85 per share; 100 shares were sold at $60.86 per share; 100 shares were sold at $60.89 per share; 99 shares were sold at $60.91 per share; 1 shares were sold at $60.943 per share; 100 shares were sold at $61.02 per share; 100 shares were sold at $61.03 per share.</footnote>
        <footnote id="F5">Effective 5/1/2006 - Non Qualified Stock Options to acquire 50,000 shares of common stock were issued with the following vesting schedules

Shares   Vest Date
12,500   5/1/2007
12,500   5/1/2008
12,500   5/1/2009
12,500   5/1/2010

These options expire on 5/1/2012</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>David R. Francis: As Attorney-In-Fact for: David Walker</signatureName>
        <signatureDate>2010-10-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----