v3.25.2
Document and Entity Information
Jul. 24, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001913971
Document Type 8-K
Document Period End Date Jul. 24, 2025
Entity Registrant Name PRINCETON BANCORP, INC.
Entity Incorporation State Country Code PA
Entity File Number 001-41589
Entity Tax Identification Number 88-4268702
Entity Address, Address Line One 183 Bayard Lane
Entity Address, City or Town Princeton
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 08540
City Area Code (609)
Local Phone Number 921-1700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common stock, no par value
Trading Symbol BPRN
Security Exchange Name NASDAQ
Entity Emerging Growth Company false