Comilla is famous for different types of sweets and Batik printed cloth. The people of Comilla are multiethnic. To some extent, there is more Afghan and British heritage in Comilla. Green or hazel eyes are more common in Comilla than in other parts of Bangladesh.
It is a highly Muslim dominated area and one can find many economically backward people. But it is home district of many educated Bangladeshis who have achieved great success in their career as Bangladeshi expatriates or in other parts of the Nation. The majority of the denizens lead an agrarian lifestyle, depending on their fields for their livelihood. A much smaller number of Hindus are present in this area. Every Muslim festival is celebrated in big way. Especially Eid and Ramzan. Most of the Muslims are Sunni and few are Shia. There is electricity in most of the area at present in Comilla.
In the suburb there exists the Commonwealth War Cemetery Memorials, Muktajuddha Museum at Mainamati Cantonment and Bangladesh academy for rural development, Mainamati Museum, Comilla Cadet College at Courtbari. Comilla Town is blessed with the memories of national poet Kazi Nazrul Islam. Nazrul Islam married twice in life, one at Daulatpur of Muradnagar upazila of the district and the other at Comilla Town. Those places have been marked with memorial plates. Poet Rabindranath Tagore visited Comilla twice. Ustad Muhammad Hussain, Fazle Nizami and Kulendu Das have enriched the cultural heritage of the town. Ustad Ayet Ali Khan established a musical institute here.
Marks of rich ancient civilization have been found in Lalmai Mainamati hills. In these hills there are plenty of archaeological sites including Shalvan Vihara, Kutila Mura, Charandra Mura, Rupban Mura, Itakhola Mura, Satera Ratna Mura, Ranir Banglar Pahar, Ananda Bazar Palaces, palaces of Bhoj King, Chandi Mura, etc. Various archaeological relics including images and metalled utensils discovered from these viharas, muras and palaces are now preserved in the Mainamati Museum. Other archaeological heritage and relics include Saptaratna Mandir (Jagannath Mandir), Shah Suja Mosque, Dharmasagar, Chandimata Mandir (on the top of Lalmai Hill of Barura), Chandala Shiva Mandir (Brahmanpara, eighteenth century), Saitshala Jami Mosque (Brahmanpara, 1719), Mazars of Panch Pir (five saints) at Shashidal (Brahmanpara, 1815), Harimangal Math (Brahmanpara, 1822), Ramnagar elongated Math (Brahmanpara, 1705), Saitshala Rammahan Mandir (Brahmanpara, 1805), Hasnabad Math.