|Elevation||280 m (920 ft)|
|Time zone||UTC+5:30 (IST)|
|ISO 3166 code||RJ-IN|
The former name of Surajgarh used to be Adicha. Surajgarh was built by Maharaja Suraj Singh, the ruler of Shekhawati in 1780.Thakur SURAJ MAL, 2nd Thakur Saheb of Bissau, Surajgarh, Udaipurwati and Jhunjhunu 1768/1787, born 1755, he was bestowed upon “Rs.44 as Dastur “and” Siroh-Paav" and “3 Thaan” were presented to him by HH Maharaja Prithvi II Bahadur of Jaipur when he decided to serve him. He was one of the most outstanding warriors of his time, he was victorious in the Battle of Mandan in 1775 against the attack of Rao Raja Mitra Sen Ahir of Rewari and Piroo Khan Balochi, who, encouraged by the scattered Kaimkhanis of Jhunjhunu, invaded Shekhawati, where a fierce battle was fought resulting in the defeat of Rao Raja Mitra Sen Ahir and the death of Piroo Khan, he also fought in the victorious battle of Khatu in 1780 where Najabkuli Khan was sent by Badshah Ali Gauhar Shah Alam but was heavily defeated. He also Commanded and Led the victorious Rajputs and died valiantly fighting in the most famous battle of Jaipur State history in the Battle of Tunga in 1787 against the Marathas led by Mahji Scindhia who were defeated; he founded Surajgarh in 1778, and demolished the old Mud Fort of Adeecha built by his father into the new fortified Surajgarh Fort in 1778; married Thakurani (name unknown), the daughter of Kunwar Dip Singh of Dhariawad, and had issue. He died 28 July 1787 in the battle of Tunga, where the cenotaph later built by his son still stands on 25 Bighas of land gifted by HH Maharaja Sawai Pratap Singhji Bahadur of Jaipur in memory of his valiant sacrifice and Rs.1000/-was reduced from the nazrana to Jaipur state.
The Surajgarh Fort has now been converted into a heritage hotel.SRI DURGA TYRE AGENCIES is a single tyre shop in surajgarh its situated on chirawa road near by City hospital
 There are many old Hindu temples in Surajgarh. The town is divided in mainly two parts, first one is Surajgarh Bazar (old Surajgarh) and Surajgarh Mandi. There is one old temple on the Chirawa by pass called Bhairu ke Bagiche and one old lake called Shivalya near Ghardu village. One of the most distinguished Personality of Surajgarh was Rambilas Sharma-popularly remembered as headmasterji, who devoted his life for development of Surajgarh. A book has already been published on his life and on surajgarh . the title is "Headmasterji-The man with literacy mission".  Government of India, Postal department honoured headmasterji's contribution towards society and released a special cover in memory of Rambilasji Gajanandji Sharma-Headmasterji Surajgarh during the first Philately exhibition of Jhunjhunu in 2016 .  district 
Surajgarh is located at  It has an average elevation of 280 metres (918 feet)..
In the 2001 Indian census, Surajgarh had a population of 18,857; of this 53% were male and 47% females. Surajgarh has an average literacy rate of 65%, higher than the national average of 59.5%: male literacy is 74%, and female literacy is 55%. In Surajgarh, 16% of the population is under 6 years of age.
Surajgarh has many educational institutes (schools and degree colleges). Many students from different parts of Rajasthan and neighbouring states, come to the town to study.education schools like Tagore Children Academy (Tagore Public Senior Secondary School), Saraswati, P. B. School, Govt. Girls School, St. Mann school etc. and in college like RKJK Barasiya P.G. College, Tagore Girls College, Keystone Engineering College, Arya Nursing College.
- Falling Rain Genomics, Inc - Surajgarh
- "Census of India 2001: Data from the 2001 Census, including cities, villages and towns (Provisional)". Census Commission of India. Archived from the original on 2004-06-16. Retrieved 2008-11-01.