Siwan observes Ganesh Chaturthi on Monday, 14 September 2026, along with the rest of Bihar.
By population, Siwan ranks #4 of 257 villages in Kargahar mandal.
Source: Census of India 2011 (village PCA; mandal and district aggregates).
Siwan is a village of 3,673 people in 536 households (Census 2011) in Kargahar block, Rohtas district, Bihar, the 4th-largest of 257 villages in Kargahar block. Literacy is 71%, 8 points above the block average of 63% and the sex ratio is 928 women per 1,000 men. The pincode is 821107, served by Kargahar post office; the LGD village code is 251629. The sarpanch is MEERA DEVI, and the village votes in Mohiuddinnagar assembly constituency, represented by MLA Rajesh Kumar Singh. The population is estimated at 4,330 in 2026, up 18% since the 2011 Census.
Gram panchayat: Shiwan →
Source: Census of India 2011, Village Directory. Facilities may have changed since.
Water supply timings, gram sabha dates, camps and drives — residents post them here and they expire on their own.
Looking for a different Siwan? The largest eight this name across India. All villages named Siwan →
Sources: Office of the Registrar General & Census Commissioner of India (Census 2011 + Population Projections 2011-2036) · International Institute for Population Sciences (NFHS-5) · Election Commission of India · data.gov.in (Jal Jeevan Mission, PMAY-G, SBM-G dashboards). Projections may differ from on-the-ground reality by ±20% for individual villages. An asterisk next to a sex-ratio value (—*) flags a Census 2011 figure outside the plausible range of 300–2000 ♀/1000♂; the underlying source row is suppressed pending review.
Centred on Kargahar mandal
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