<SEC-DOCUMENT>0001193125-17-221606-index.html : 20170705
<SEC-HEADER>0001193125-17-221606.hdr.sgml : 20170705
<ACCEPTANCE-DATETIME>20170705102645
ACCESSION NUMBER:		0001193125-17-221606
CONFORMED SUBMISSION TYPE:	N-CSRS
PUBLIC DOCUMENT COUNT:		11
CONFORMED PERIOD OF REPORT:	20170430
FILED AS OF DATE:		20170705
DATE AS OF CHANGE:		20170705
EFFECTIVENESS DATE:		20170705

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKROCK CREDIT ALLOCATION INCOME TRUST
		CENTRAL INDEX KEY:			0001379384
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		N-CSRS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-21972
		FILM NUMBER:		17946411

	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 CREDIT ALLOCATION INCOME TRUST IV
		DATE OF NAME CHANGE:	20091113

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKROCK PREFERRED & EQUITY ADVANTAGE TRUST
		DATE OF NAME CHANGE:	20070629

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock Preferred & Equity Advantage Trust
		DATE OF NAME CHANGE:	20061115
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSRS
<SEQUENCE>1
<FILENAME>d384140dncsrs.htm
<DESCRIPTION>BLACKROCK CREDIT ALLOCATION INCOME TRUST
<TEXT>
Document 1 - file: d384140dncsrs.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>d384140dex99cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 302
<TEXT>
Document 2 - file: d384140dex99cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.906CERT
<SEQUENCE>3
<FILENAME>d384140dex99906cert.htm
<DESCRIPTION>CERTIFICATION PURSUANT TO SECTION 906
<TEXT>
Document 3 - file: d384140dex99906cert.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g384140g42y65.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g384140g42y65.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g384140g65b16.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g384140g65b16.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g384140g72g29.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g384140g72g29.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g384140g92g94.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g384140g92g94.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g384140g98u13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g384140g98u13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g384140leaf.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g384140leaf.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g385942photo_01mips.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g385942photo_01mips.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g385942sig_01mips.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g385942sig_01mips.jpg

</DOCUMENT>
</SEC-DOCUMENT>