<SEC-DOCUMENT>0001752724-20-181102-index.html : 20200902
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<ACCEPTANCE-DATETIME>20200902132515
ACCESSION NUMBER:		0001752724-20-181102
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20200630
FILED AS OF DATE:		20200902
DATE AS OF CHANGE:		20200902
EFFECTIVENESS DATE:		20200902

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EATON VANCE SENIOR INCOME TRUST
		CENTRAL INDEX KEY:			0001070732
		IRS NUMBER:				043435040

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09013
		FILM NUMBER:		201156368

	BUSINESS ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
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<TYPE>N-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

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<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>NCEN_2721198443762112.txt
<TEXT>
Document 2 - file: NCEN_2721198443762112.txt

</DOCUMENT>
<DOCUMENT>
<TYPE>ITEM 405 REG S-K
<SEQUENCE>3
<FILENAME>NCEN_13702919653418879.txt
<TEXT>
Document 3 - file: NCEN_13702919653418879.txt

</DOCUMENT>
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