Olia observes Ganesh Chaturthi on Monday, 14 September 2026, along with the rest of Bihar.
By population, Olia ranks #82 of 105 villages in Guthani mandal.
Source: Census of India 2011 (village PCA; mandal and district aggregates).
Olia is a village of 388 people in 67 households (Census 2011) in Guthani block, Siwan district, Bihar, the 82nd-largest of 105 villages in Guthani block. Literacy is 60%, about the same as the block average of 60% and the sex ratio is 980 women per 1,000 men. The pincode is 841239, served by Mairwa post office; the LGD village code is 232186. The sarpanch is VIMLA DEVI, and the village votes in Barhara assembly constituency, represented by MLA Raghvendra Pratap Singh. The population is estimated at 457 in 2026, up 18% since the 2011 Census.
Gram panchayat: Belaur →
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 Olia? 1 other village shares this name across India. All villages named Olia →
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 Guthani mandal
Olia doesn't have its own precise centroid yet, so these places are nearby in the Guthani 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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