<SEC-DOCUMENT>0000932471-19-007011-index.html : 20190426
<SEC-HEADER>0000932471-19-007011.hdr.sgml : 20190426
<ACCEPTANCE-DATETIME>20190425181838
ACCESSION NUMBER:		0000932471-19-007011
CONFORMED SUBMISSION TYPE:	497K
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20190426
DATE AS OF CHANGE:		20190425
EFFECTIVENESS DATE:		20190426

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VANGUARD INDEX FUNDS
		CENTRAL INDEX KEY:			0000036405
		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:		19768734

	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>S000002848
<SERIES-NAME>Vanguard Total Stock Market Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007805
<CLASS-CONTRACT-NAME>Investor Shares
<CLASS-CONTRACT-TICKER-SYMBOL>VTSMX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000007806
<CLASS-CONTRACT-NAME>Admiral Shares
<CLASS-CONTRACT-TICKER-SYMBOL>VTSAX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497K
<SEQUENCE>1
<FILENAME>sp85_final1.htm
<DESCRIPTION>VANGUARD TOTAL STOCK MARKET INDEX FUND SUMMARY PROSPECTUS ADMIRAL
<TEXT>
Document 1 - file: sp85_final1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sp85_final1x1x1.jpg
<TEXT>
Document 2 - file: sp85_final1x1x1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sp85_final1x5x1.jpg
<TEXT>
Document 3 - file: sp85_final1x5x1.jpg

</DOCUMENT>
</SEC-DOCUMENT>