<SEC-DOCUMENT>0001683863-24-003023-index.html : 20240426
<SEC-HEADER>0001683863-24-003023.hdr.sgml : 20240426
<ACCEPTANCE-DATETIME>20240425173943
ACCESSION NUMBER:		0001683863-24-003023
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20240426
DATE AS OF CHANGE:		20240425
EFFECTIVENESS DATE:		20240426

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VANGUARD INDEX FUNDS
		CENTRAL INDEX KEY:			0000036405
		ORGANIZATION NAME:           	
		IRS NUMBER:				231999755
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		497K
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-56846
		FILM NUMBER:		24877790

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482
		BUSINESS PHONE:		6106691000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 2600
		STREET 2:		V26
		CITY:			VALLEY FORGE
		STATE:			PA
		ZIP:			19482

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VANGUARD INDEX FUNDS/
		DATE OF NAME CHANGE:	20011121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VANGUARD INDEX TRUST
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIRST INDEX INVESTMENT TRUST
		DATE OF NAME CHANGE:	19800904
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000036405
<SERIES-ID>S000012756
<SERIES-NAME>Vanguard Mid-Cap Growth Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000034427
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>VMGIX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>f38334d1.htm
<DESCRIPTION>SP 832 VANGUARD MID-CAP GROWTH INDEX FUND
<TEXT>
Document 1 - file: f38334d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>mcg832.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: mcg832.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>vanguard.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: vanguard.jpg

</DOCUMENT>
</SEC-DOCUMENT>