Hojai was a part of Dimasa Kachari Kingdom in medieval times. According to Ahom Buranjee, Dimasa Kachari Kingdom stretches from Dikhu river to Kolong river. The Dimasa Kacharies living in Hojai are known as "Hojai- Kacharies" to others. "Hojai" is one of the clans Sengphongs of Dimasa tribe, probably The city "Hojai" got its name from this clan. It was made a subdivision on 15 August 1983 under Nagaon district and after 32 years on the same date it was declared a new district of the state.
As of 2011 Indian Census, Hojai had a total population of 36.638, of which 18.762 were males and 17.876 were females. Population within the age group of 0 to 6 years was 3.869. The total number of literates in Hojai was 29.708, which constituted 81.1% of the population with male literacy of 83.9% and female literacy of 78.1%. The effective literacy rate of 7+ population of Hojai was 90.7%, of which male literacy rate was 93.8% and female literacy rate was 87.4%. The Scheduled Castes and Scheduled Tribes population was 3.158 and 197, respectively. Hojai had 7049 households in 2011.
70% of the people speak Bengali, followed by Hindi, 16.0%; Assamese, 10.7%; and Manipuri, 1.6% speakers.
Hojai is an MLA constituency. It falls under Nagaon LS constituency. It was part of Jamunamukh LAC. Since its inception in 1967, seven people were elected as MLAs. The first was Jonab Rahimuddin Ahmed. He was followed by Idris Ali Fakir, Sadhan Ranjan Sarkar, Santi Ranjan Dasgupta and since 1991, Dr AK Dey has been consistently elected as an MLA, the lone defeat coming in 2006 to AIUDFs Dr. Aditya Langthasa who served as an MLA for a single term. Dr Dey regained his seat in 2011 for a fourth term. For the first time, in 2016 assembly elections, BJP wrested this seat with the incumbent MLA being Shiladitya Dev.
Administrative duties are carried on from Sankardev Nagar in NH54 where the DC Office, Judicial Courts as well District SP Offices are located. The DC Office campus also houses the Government Circuit House within it. Hojai Judicial Courts are situated at Sankardev Nagar approximately 8 km away from Hojai Town near NH54. Advocates of the Hojai Judicial Courts have their own Association known as "Hojai Bar Association" which was established in 1982.
2.1. Administration District administration
The deputy commissioner is Sadnek Singh. The superintendent of police is Ankur Jain.
Hojai College, affiliated to Gauhati University was established in the year 1964. On 26 July 2016, Assams Chief Minister Sarbananda Sonowal proposed a university be set up in Hojai and named after Rabindra Nath Tagore.
Haji Abdul Majid Memorial Hospital HAMM and Research Centre
The Haji Abdul Majid Memorial HospitalHAMM and Research Center is a 200-bed hospital, one of the largest rural charitable hospitals in South East Asia. Inaugurated in 1995 by the late Reverend St. Mother Teresa, it offers free treatment to the poor. Its charitable dispensary, established in 1986, treats over ten patients for free every day. Till date, over 25 lakh people without distinction of caste, creed or religion have benefited from the free medication. Finally, the Haji Abdul Majid Memorial Hospital & Research Centre will become a full-fledged medical college.
The hospital has an operating theatre. The hospital also has a dental clinic, which is a boon in an area with widespread dental problems due to lack of hygiene and sanitation.
State roads connect Hojai to the rest of the state. The nearest National Highway is NH54. Buses connect Hojai to the rest of Assam and other states. There is a proposed flyover in Hojai.
The Hojai railway station has trains to Delhi, Chennai, Mumbai, Bengaluru, Kolkata, Guwahati, Silchar, Tripura and Dibrugarh.
The nearest airport is Tezpur Airport, about 120 km away.
The nearest International Airport is LGB International Airport in Guwahati, about 190 km away.