Karimganj is home to a diverse and syncretic population, predominantly comprising Hindus and Muslims.
* **Hindu Temples**: Notable shrines include the Shyamakali Bari and the Shiv Bari, which act as focal points for daily worship and major festivals. * **Mosques**: The city houses several mosques, with the Boro Masjid being a central place of worship and community gathering for the Muslim population. The city is known for its communal harmony, with residents frequently participating in one another's religious celebrations.