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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Da3vM0LbghCUfhYu4B0JVwzrdoGd/pK/qnGR1M/3IKUGOHqyFHxcZjtqIwhHKJsS
 3w8jSokhH04M90kkqH4E3w==

<SEC-DOCUMENT>0000914190-03-000031.txt : 20030714
<SEC-HEADER>0000914190-03-000031.hdr.sgml : 20030714
<ACCEPTANCE-DATETIME>20030714134249
ACCESSION NUMBER:		0000914190-03-000031
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030630
FILED AS OF DATE:		20030714

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHWARTZBAUER CHRISTOPHER A
		CENTRAL INDEX KEY:			0001253686

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-11447
		FILM NUMBER:		03785079

	BUSINESS ADDRESS:	
		STREET 1:		407 WEST TRAVELERS TRAIL
		CITY:			BURNSVILLE
		STATE:			MN
		ZIP:			55337
		BUSINESS PHONE:		9529443533

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DATAKEY INC
		CENTRAL INDEX KEY:			0000704914
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				411291472
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		407 W TRAVELERS TRAIL
		CITY:			BURNSVILLE
		STATE:			MN
		ZIP:			55337
		BUSINESS PHONE:		6128906850

	MAIL ADDRESS:	
		STREET 1:		407 WEST TRAVELERS TRAIL
		CITY:			BURNSVILLE
		STATE:			MN
		ZIP:			55337
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-06-30</periodOfReport>
    <issuer>
        <issuerCik>0000704914</issuerCik>
        <issuerName>DATAKEY INC</issuerName>
        <issuerTradingSymbol>DKEY</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId>
            <rptOwnerCik>0001253686</rptOwnerCik>
            <rptOwnerName>SCHWARTZBAUER CHRISTOPHER A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>VP, Sales &amp;amp; Business Dev</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeSecurity><securityTitle><value>Stock Option (right to buy)</value></securityTitle><conversionOrExercisePrice><value>.70</value></conversionOrExercisePrice><transactionDate><value>2003-06-30</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>75000</value></transactionShares><transactionValue><value>0</value></transactionValue><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2003-06-30</value><footnoteId id="F1"/></exerciseDate><expirationDate><value>2013-06-29</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><valu
e>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>75000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>75000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeSecurity><footnotes><footnote id="F1">Exercisable in four annual increments of 18,750 shares beginning June 30, 2003.</footnote></footnotes><ownerSignature><signatureName>Thomas R. King as attorney-in-fact for Christopher A. Schwartzbauer</signatureName><signatureDate>2003-07-10</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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