<SEC-DOCUMENT>0000858581-24-000056-index.html : 20240312
<SEC-HEADER>0000858581-24-000056.hdr.sgml : 20240312
<ACCEPTANCE-DATETIME>20240312131719
ACCESSION NUMBER:		0000858581-24-000056
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240312
DATE AS OF CHANGE:		20240312
EFFECTIVENESS DATE:		20240312

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			T. Rowe Price Index Trust, Inc.
		CENTRAL INDEX KEY:			0000858581
		ORGANIZATION NAME:           	
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05986
		FILM NUMBER:		24741267

	BUSINESS ADDRESS:	
		STREET 1:		100 EAST PRATT STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202
		BUSINESS PHONE:		410-345-2000

	MAIL ADDRESS:	
		STREET 1:		100 EAST PRATT STREET
		CITY:			BALTIMORE
		STATE:			MD
		ZIP:			21202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRICE T ROWE INDEX TRUST INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PRICE T ROWE INSTITUTIONAL EQUITY FUNDS INC
		DATE OF NAME CHANGE:	19900227
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000858581
<SERIES-ID>S000002089
<SERIES-NAME>T. Rowe Price Equity Index 500 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005457
<CLASS-CONTRACT-NAME>T. Rowe Price Equity Index 500 Fund
<CLASS-CONTRACT-TICKER-SYMBOL>PREIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000159677
<CLASS-CONTRACT-NAME>T. Rowe Price Equity Index 500 Fund-I Class
<CLASS-CONTRACT-TICKER-SYMBOL>PRUIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000219327
<CLASS-CONTRACT-NAME>T. Rowe Price Equity Index 500 Fund-Z Class
<CLASS-CONTRACT-TICKER-SYMBOL>TRHZX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000858581
<SERIES-ID>S000002090
<SERIES-NAME>T. Rowe Price Extended Equity Market Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005458
<CLASS-CONTRACT-NAME>T. Rowe Price Extended Equity Market Index Fund
<CLASS-CONTRACT-TICKER-SYMBOL>PEXMX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000858581
<SERIES-ID>S000002091
<SERIES-NAME>T. Rowe Price Total Equity Market Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000005459
<CLASS-CONTRACT-NAME>T. Rowe Price Total Equity Market Index Fund
<CLASS-CONTRACT-TICKER-SYMBOL>POMIX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000858581
<SERIES-ID>S000051326
<SERIES-NAME>T. Rowe Price Mid-Cap Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000161835
<CLASS-CONTRACT-NAME>T. Rowe Price Mid-Cap Index Fund
<CLASS-CONTRACT-TICKER-SYMBOL>TRMNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000161836
<CLASS-CONTRACT-NAME>T. Rowe Price Mid-Cap Index Fund-I Class
<CLASS-CONTRACT-TICKER-SYMBOL>TRMSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000219328
<CLASS-CONTRACT-NAME>T. Rowe Price Mid-Cap Index Fund-Z Class
<CLASS-CONTRACT-TICKER-SYMBOL>TRSZX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000858581
<SERIES-ID>S000051327
<SERIES-NAME>T. Rowe Price Small-Cap Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000161837
<CLASS-CONTRACT-NAME>T. Rowe Price Small-Cap Index Fund
<CLASS-CONTRACT-TICKER-SYMBOL>TRSYX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000161838
<CLASS-CONTRACT-NAME>T. Rowe Price Small-Cap Index Fund-I Class
<CLASS-CONTRACT-TICKER-SYMBOL>TRCSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000219329
<CLASS-CONTRACT-NAME>T. Rowe Price Small-Cap Index Fund-Z Class
<CLASS-CONTRACT-TICKER-SYMBOL>TRZIX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>g1aiii_trp-indext1.htm
<TEXT>
Document 2 - file: g1aiii_trp-indext1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>3
<FILENAME>g1aiii_trp-indext2.htm
<TEXT>
Document 3 - file: g1aiii_trp-indext2.htm

</DOCUMENT>
</SEC-DOCUMENT>