Document and Entity Information - shares
6 Months Ended
Aug. 04, 2018
Aug. 20, 2018
Document and Entity Information    
Entity Registrant Name Citi Trends Inc  
Entity Central Index Key 0001318484  
Document Type 10-Q  
Document Period End Date Aug. 04, 2018  
Amendment Flag false  
Current Fiscal Year End Date --02-02  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   12,975,307
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2