<SEC-DOCUMENT>0001193125-22-258171-index.html : 20221005
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<ACCEPTANCE-DATETIME>20221005155830
ACCESSION NUMBER:		0001193125-22-258171
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		31
FILED AS OF DATE:		20221005
DATE AS OF CHANGE:		20221005
EFFECTIVENESS DATE:		20221005

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.
		CENTRAL INDEX KEY:			0000894242
		IRS NUMBER:				133690436
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0430

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07354
		FILM NUMBER:		221295575

	BUSINESS ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809
		BUSINESS PHONE:		888-825-2257

	MAIL ADDRESS:	
		STREET 1:		100 BELLEVUE PARKWAY
		STREET 2:		MUTUAL FUND DEPARTMENT
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19809

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
		DATE OF NAME CHANGE:	20220525

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.
		DATE OF NAME CHANGE:	20180130

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
		DATE OF NAME CHANGE:	20121009
</SEC-HEADER>
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<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d354698dncsr.htm
<DESCRIPTION>BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
<TEXT>
Document 1 - file: d354698dncsr.htm

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<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d354698dex99cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d354698dex99cert.htm

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<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>d354698dex99906cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906
<TEXT>
Document 3 - file: d354698dex99906cert.htm

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<TYPE>EX-99.CONSENT
<SEQUENCE>4
<FILENAME>d354698dex99consent.htm
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
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Document 4 - file: d354698dex99consent.htm

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<FILENAME>d354698dex99proxypol.htm
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<TEXT>
Document 5 - file: d354698dex99proxypol.htm

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<SEQUENCE>6
<FILENAME>d354698dex99globalcorpgo.htm
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<TEXT>
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<TYPE>EX-99.US_CORP_GOV
<SEQUENCE>7
<FILENAME>d354698dex99uscorpgov.htm
<DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
<TEXT>
Document 7 - file: d354698dex99uscorpgov.htm

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<TYPE>EX-101.SCH
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