<SEC-DOCUMENT>0001193125-21-208674-index.html : 20210706
<SEC-HEADER>0001193125-21-208674.hdr.sgml : 20210706
<ACCEPTANCE-DATETIME>20210706154404
ACCESSION NUMBER:		0001193125-21-208674
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		18
CONFORMED PERIOD OF REPORT:	20210430
FILED AS OF DATE:		20210706
DATE AS OF CHANGE:		20210706
EFFECTIVENESS DATE:		20210706

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:			1031

	FILING VALUES:
		FORM TYPE:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-07354
		FILM NUMBER:		211073924

	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:	20121009

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST, INC.
		DATE OF NAME CHANGE:	20120921

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>d508548dncsr.htm
<DESCRIPTION>BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
<TEXT>
Document 1 - file: d508548dncsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d508548dex99cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d508548dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>d508548dex99906cert.htm
<DESCRIPTION>CERTIFICATIONS PURSUANT TO SECTION 906
<TEXT>
Document 3 - file: d508548dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.PROXYPOL
<SEQUENCE>4
<FILENAME>d508548dex99proxypol.htm
<DESCRIPTION>PROXY VOTING POLICY AND PROCEDURES
<TEXT>
Document 4 - file: d508548dex99proxypol.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.GLOBAL.CORP.GO
<SEQUENCE>5
<FILENAME>d508548dex99globalcorpgo.htm
<DESCRIPTION>GLOBAL CORPORATE GOVERNANCE & ENGAGEMENT PRINCIPLES
<TEXT>
Document 5 - file: d508548dex99globalcorpgo.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.US.CORP.GOV
<SEQUENCE>6
<FILENAME>d508548dex99uscorpgov.htm
<DESCRIPTION>CORPORATE GOVERNANCE AND PROXY VOTING GUIDELINES FOR U.S. SECURITIES
<TEXT>
Document 6 - file: d508548dex99uscorpgov.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g508548g00d02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g508548g00d02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g508548g00d03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g508548g00d03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g508548g00d05.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g508548g00d05.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g508548g00d06.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g508548g00d06.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g508548g04m01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g508548g04m01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g508548g06m01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g508548g06m01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g508548g09m01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g508548g09m01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g508548g12m01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g508548g12m01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g508548g42l24.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g508548g42l24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g508548leaf.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g508548leaf.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g508548photo_01mips.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g508548photo_01mips.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g508548sig_01mips.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g508548sig_01mips.jpg

</DOCUMENT>
</SEC-DOCUMENT>