N-2	May 10, 2023
Cover [Abstract]
Entity Central Index Key	0001074540
Amendment Flag	true
Amendment Description	This Post-Effective Amendment No. 1 to the Registration Statement on Form N-2 (File No. 333-269206) of Eaton Vance Municipal Income Trust (the “Registration Statement”) is being filed pursuant to Rule 462(d) under the Securities Act of 1933, as amended (the “Securities Act”), solely for the purpose of filing exhibits to the Registration Statement. Accordingly, this Post-Effective Amendment No. 1 consists only of a facing page, this explanatory note and Part C of the Registration Statement on Form N-2 setting forth the exhibits to the Registration Statement. This Post-Effective Amendment No. 1 does not modify any other part of the Registration Statement. Pursuant to Rule 462(d) under the Securities Act, this Post-Effective Amendment No. 1 shall become effective immediately upon filing with the Securities and Exchange Commission. The contents of the Registration Statement are hereby incorporated by reference.
Document Type	POS EX
Entity Registrant Name	EATON VANCE MUNICIPAL INCOME TRUST
Entity Address, Address Line One	Two International Place
Entity Address, City or Town	Boston
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02110
City Area Code	(617)
Local Phone Number	482-8260
No Substantive Changes, 462(c)	false
Exhibits Only, 462(d)	true
Entity Well-known Seasoned Issuer	No
Entity Emerging Growth Company	false
Business Contact [Member]
Cover [Abstract]
Entity Address, Address Line One	Two International Place
Entity Address, City or Town	Boston
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02110
Contact Personnel Name	Deidre E. Walsh