-----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,
 LKyWZyEprsvdyQIP+xKnqr8dgXd+M/poX0tsxpKymnNQIOfjRgHbN0MDXF08Mpbr
 tb6lrLLNFLspgTN2lSVnAQ==

<SEC-DOCUMENT>0001017951-06-000270.txt : 20060815
<SEC-HEADER>0001017951-06-000270.hdr.sgml : 20060815
<ACCEPTANCE-DATETIME>20060815185214
ACCESSION NUMBER:		0001017951-06-000270
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060815
FILED AS OF DATE:		20060815
DATE AS OF CHANGE:		20060815

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NIC INC
		CENTRAL INDEX KEY:			0001065332
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
		IRS NUMBER:				522077581
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		12 CORPORATE WOODS 10975 BENSON STREET
		STREET 2:		SUITE 390
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66210

	MAIL ADDRESS:	
		STREET 1:		12 CORPORATE WOODS 10975 BENSON STREET
		STREET 2:		SUITE 390
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66210

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL INFORMATION CONSORTIUM
		DATE OF NAME CHANGE:	19990618

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL INFORMATION CONSORTIUM INC
		DATE OF NAME CHANGE:	19990504

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SOMERHALDER SAM
		CENTRAL INDEX KEY:			0001180369

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26621
		FILM NUMBER:		061036647

	BUSINESS ADDRESS:	
		STREET 1:		12 CORPORATE WOODS
		STREET 2:		10975 BENSON STREET 390
		CITY:			OVERLAND PARK
		STATE:			KS
		ZIP:			66210
		BUSINESS PHONE:		8772343468

	MAIL ADDRESS:	
		STREET 1:		12 CORPORATE WOODS
		STREET 2:		10975 BENSON STREET 390
		CITY:			OVERLAND PARK
		STATE:			MS
		ZIP:			66210
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-08-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001065332</issuerCik>
        <issuerName>NIC INC</issuerName>
        <issuerTradingSymbol>EGOV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001180369</rptOwnerCik>
            <rptOwnerName>SOMERHALDER SAM</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O NIC INC.</rptOwnerStreet1>
            <rptOwnerStreet2>10540 SOUTH RIDGEVIEW ROAD</rptOwnerStreet2>
            <rptOwnerCity>OLATHE</rptOwnerCity>
            <rptOwnerState>KS</rptOwnerState>
            <rptOwnerZipCode>66061</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Administrative Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-08-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6603</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.04</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>83854</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-08-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6603</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.5</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>77251</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.04</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-08-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>6603</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-08-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-08-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>6603</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>16225</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The Reporting Person indirectly owns 883,794 shares of NIC common stock, which are held directly by the National Information Consortium Voting Trust (&quot;Voting Trust&quot;), for which Messrs. Jeffery S. Fraser and Ross C. Hartley act as trustees, for the benefit of the Reporting Person as a direct beneficiary of the Voting Trust.</footnote>
        <footnote id="F2">The Reporting Person also directly owns employee stock options to purchase 16,225 shares of NIC common stock at $3.04 per share, of which 3,725 are currently exercisable and 12,500 will become exercisable on August 1, 2007.  The Reporting Person also indirectly owns 1,500 shares of NIC common stock which are held directly by the Reporting Person's spouse.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Stephen M. Kovzan, Attorney-in-Fact</signatureName>
        <signatureDate>2006-08-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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