Gangapur observes Ganesh Chaturthi on Monday, 14 September 2026, along with the rest of Bihar.
By population, Gangapur ranks #4 of 90 villages in Siswan mandal.
Source: Census of India 2011 (village PCA; mandal and district aggregates).
Gangapur is a village of 7,281 people in 1,437 households (Census 2011) in Siswan block, Siwan district, Bihar, the 4th-largest of 90 villages in Siswan block. Literacy is 52%, 6 points below the block average of 57% and the sex ratio is 989 women per 1,000 men. The pincode is 841210, served by Gangpur Siswan post office; the LGD village code is 232777. The sarpanch is SUGANTI DEVI, and the village votes in Sahebganj assembly constituency, represented by MLA Raju Kumar Singh. The population is estimated at 8,584 in 2026, up 18% since the 2011 Census.
Gram panchayat: Gangpur Siswan →
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 Gangapur? The largest eight this name across India. All villages named Gangapur →
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 Siswan mandal
Gangapur doesn't have its own precise centroid yet, so these places are nearby in the Siswan mandal — sorted by distance from the village's approximate centre. Claim the village to add precise locations.
Place data sourced from © OpenStreetMap contributors (ODbL). Verified entries are confirmed by the Gram Panchayat. See something wrong? Suggest an edit.
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