The district is located in the north-eastern part of the state of Rajasthan.It is bounded on the north by Jhunjhunu district, in the north-west by Churu district, in the south-west by Nagaur district and in the south-east by Jaipur district.Dantaramgarh Panchayat Samiti consists of Aloda, Bai, Bajyawas, Banathala, Banuda, Bharija, Bhima, Bhirana, Chainpura, Chak, Dansroli, Danta, Dhingpur, Dholasari, Dudhwa, Dukiya, Ganoda, Gowati, Jana, Kankara, Karad, Khachariyawas, Khandelsar, Khatu, Khora, Khud, Kochhor, Kuli, Ladpur, Lamiyan, Likhmaka, Manda, Mandha, Mei, Motlawas, Mundiyawas, Pachar, Ralawata, Ramgarh, Reta, Roopgarh, Sami, Shyampur, Sigaliya, Suliyawas, Surera, udaipura villages.
Khandela serves as a constituency of the Rajasthan legislative assembly.Khandela Panchayat Samiti consists of Barsinghpura, Basadi, Bawari, Bhadwadi, Burja, Chaukdi, Dayara, Dhalyabas, Dulhepura, Gokulkabas, Govindpura, Hardaskabas, Hathideh, Gurara, Jairampura, Jajod, Jhadli, Jugalpura, Kalyanpura, Kanwat, Kardaka, Kasarda, Kerpura, Khatundara, Kotdi, Lakhani, Loharwasa, Gyanpura, Malikpur, Nimeda, Paniharwas, Ralawata, Rampura, Sawaipura, Thikariya, Thoi villages, Thikaria (NH-11).S.), Modala, Mohanpura(Kharkara), Mokalwas, Mothuka, Narsinghpuri, Natha, Nayabas, Panchu Kharkada, Patan, Pithalpur, Pithampuri, Raipur, Rajpura, Rampura, Ramsinghpura, Salodara, Sanwalpura, Shyampura, Sirohi, Tatera, Teebala, Thikaria, Toda villages.Piprali panchayat samiti consists of Abhaypura, Bajor, Beri, Rajasthan, Bhadwasi, Chainpura, Chandpura, Dadiya, Daulatpura, Gokulpura, Gungara, Gurathda, Harsh, Kishanpura, Kolida, Ktrathal, Kudali, Kushalpura, Lakhipura, Ludhana, Malkeda, Nani, Palasara, Palsana, Piprali, Purohitkabas, Radhakishanpura, Raghunathgarh, Rajpura, Ranoli, Rewasa, Sangarwa, Shishyu, Shyamgarh, Shyampura, Sihasan, Sujawas, Tarpura, Ved Ki Dhani villages, Beri, Balaji Ka Nada.Laxmangarh also serves as constituency of the Rajasthan legislative assembly.
Laxmangarh Panchayat Samiti consists of Alakhpura, Bagri, Bathoth.
Sikar is the smallest city which has IIT JEE Advance centre.
Youth men(below 35) provide a major role in Indian defense services compared to other districts of Rajasthan.
There is one Government Polytechnic College in Sikar district.
Here some famous institutes provide coaching for engineering and medical exams.
It also touches Mahendragarh district of Haryana on its north-east corner.