Bongaigaon is a melting pot of diverse cultures, reflecting the broader demographic tapestry of Lower Assam.
| Category | Description / Estimates | | :--- | :--- | | **Population (City)** | ~75,000 - 80,000 (Urban Agglomeration is higher, >100,000) | | **Primary Languages** | Assamese, Bengali, Bodo, Hindi, English | | **Major Religions** | Hinduism (~85%), Islam (~10%), Jainism, Christianity, Sikhism (~5%) | | **Ethnic Groups** | Koch Rajbongshi, Bodo, Assamese, Bengali, Marwari, Bihari | | **Average Age** | A largely youthful demographic, typical of the region, with a significant working-age population driven by local industries. |