Cover Page - shares	3 Months Ended
	Mar. 31, 2023	May 09, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Registrant Name	TC Bancshares, Inc.
Entity Central Index Key	0001850398
Entity File Number	001-40637
Current Fiscal Year End Date	--12-31
Entity Incorporation, State or Country Code	GA
Entity Tax Identification Number	86-2650449
Entity Address, Address Line One	131 South Dawson Street
Entity Address, City or Town	Thomasville
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	31792
City Area Code	229
Local Phone Number	226-3221
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	TCBC
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		4,839,381