Cover - USD ($)	12 Months Ended
	Mar. 31, 2024	Jun. 27, 2024	Sep. 30, 2023
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2024
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--03-31
Entity File Number	1-31785
Entity Registrant Name	MEXCO ENERGY CORPORATION
Entity Central Index Key	0000066418
Entity Tax Identification Number	84-0627918
Entity Incorporation, State or Country Code	CO
Entity Address, Address Line One	415 W. Wall
Entity Address, Address Line Two	Suite 475
Entity Address, City or Town	Midland
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	79701
City Area Code	(432)
Local Phone Number	682-1119
Title of 12(b) Security	Common Stock, par value $0.50 per share
Trading Symbol	MXC
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 14,672,667
Entity Common Stock, Shares Outstanding		2,090,000
Documents Incorporated By Reference	Portions of the Registrant’s Proxy Statement relating to the 2024 Annual Meeting of Shareholders to be held on September 10, 2024, have been incorporated by reference in Part III of this Form 10-K. Such Proxy Statement will be filed with the Commission not later than 120 days after March 31, 2024, the end of the fiscal year covered by this report.
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Name	WEAVER AND TIDWELL, L.L.P.
Auditor Firm ID	410
Auditor Location	Midland, Texas