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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 ME7R8E3ReTwR5vTVn9VX4z97LyDajJglQGaTZyCx8OAq/HYrT0GASCnrdfj98Km2
 sxYNegfAQekq4s6Tm7NyVg==

<SEC-DOCUMENT>0001262324-04-000030.txt : 20040115
<SEC-HEADER>0001262324-04-000030.hdr.sgml : 20040115
<ACCEPTANCE-DATETIME>20040115160814
ACCESSION NUMBER:		0001262324-04-000030
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040113
FILED AS OF DATE:		20040115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DIXON KENT
		CENTRAL INDEX KEY:			0001075523

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-05542
		FILM NUMBER:		04527455

	BUSINESS ADDRESS:	
		STREET 1:		C/O BLACKROCK FINANCIAL MANAGEMENT INC.
		STREET 2:		40 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	MAIL ADDRESS:	
		STREET 1:		C/O MERRILL LYNCH ASSET MANAGEMENT
		STREET 2:		800 SCUDDERS MILL RD
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			08536

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK INCOME TRUST INC
		CENTRAL INDEX KEY:			0000832327
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				133463349
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		302-797-2449

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKSTONE INCOME TRUST INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2004-01-13</periodOfReport>
    <issuer>
        <issuerCik>0000832327</issuerCik>
        <issuerName>BLACKROCK INCOME TRUST INC</issuerName>
        <issuerTradingSymbol>BKT</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001075523</rptOwnerCik>
            <rptOwnerName>DIXON KENT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BLACKROCK FINANCIAL MANGEMENT, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>40 EAST 52ND STREET</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Performance Rights</value><footnoteId id="F1"/></securityTitle><conversionOrExercisePrice><value>0</value><footnoteId id="F2"/></conversionOrExercisePrice><transactionDate><value>2004-01-13</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>416</value></transactionShares><transactionPricePerShare><value>7.77</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F3"/></exerciseDate><expirationDate><footnoteId id="F3"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value>
</underlyingSecurityTitle><underlyingSecurityShares><value>416</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>809</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Performance Rights</value><footnoteId id="F1"/></securityTitle><conversionOrExercisePrice><value>0</value><footnoteId id="F2"/></conversionOrExercisePrice><transactionDate><value>2004-01-14</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>15</value></transactionShares><transactionPricePerShare><value>7.74</value></transactionPricePerShare><transactionAcquiredDispo
sedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F3"/></exerciseDate><expirationDate><footnoteId id="F3"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>15</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>824</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">The Phantom stock units were accrued under the BlackRock Funds Deferred Compensation Plan</footnote><footnote id="F2">One performance right is convertible into the cash value of one share of common stock of BlackRock Income Trust, Inc.</footnote><footnote id="F3">The units are to be settled 1
00% in cash at the end of the deferral period chosen by the reporting person.</footnote></footnotes><remarks/><ownerSignature><signatureName>Salvatore Rappa</signatureName><signatureDate>2004-01-15</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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