Chainpur village, Patahi mandal, Purbi Champaran | Pincode 845457

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Mapped via ECI-published constituency boundary (mandal centroid containment, Datameet)

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Chainpur is a small village in Patahi mandal, Purbi Champaran district, Bihar. It has a population of 758 across 168 households with a literacy rate of 35.6%.

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LGD code: 218542
Pincode: 845457
Population: 758
Households: 168
Literacy rate: 35.6%
Sex ratio: 849 ♀/1000♂
Workers: 306
Distance to district centre: 121 km
Distance to mandal centre: 115 km

Census 2011 · in context

How Chainpur compares

By population, Chainpur ranks #37 of 37 villages in Patahi mandal — the smallest.

Literacy rate

35.6%

−7.1% vs mandal average

Chainpur: 35.6%
Patahi mandal: 42.7%
Purbi Champaran district: 44.7%

Sex ratio

♀ per 1000 ♂

849

−53 vs mandal average

Chainpur: 849
Patahi mandal: 902

Household size

people per home

4.5

+0.1 vs mandal average

Chainpur: 4.5
Patahi mandal: 4.4

Source: Census of India 2011 (village PCA; mandal and district aggregates).

Key facts — Chainpur

LGD code: 218542
Pincode: 845457
Population (Census 2011): 758
Population (projected 2026): 894
Households: 168
Sex ratio (per 1,000 males): 849
Literacy rate: 35.6%
Coordinates: 25.52000°N, 86.31000°E
Lok Sabha constituency: Muzaffarpur
Vidhan Sabha constituency: Aurai
Member of Parliament: Raj Bhushan Choudhary
Member of Legislative Assembly: Rama Nishad
Block / Mandal: Patahi

Demographics — Census 2011 + 2026 estimate + NFHS-5

Population, education, health & sanitation

India's last full census was 2011 · 2026 figures are RGI projections · NFHS-5 (2019-21) covers the Purbi Champaran district level

Then & Now

Chainpur — Census 2011 to projected 2026

Population · 2011

758

Census 2011 baseline

+17.9%

Population · 2026

894

RGI / state CAGR projection

Households · 2011

168

Census 2011 baseline

+17.9%

Households · 2026

198

RGI / state CAGR projection

2011 = decadal Census of India. 2026 = forward-projection from state-level CAGR — working estimate, refines when the next Census publishes.

Census 2011

Canonical baseline · last full census · village-level

Population: 758Census 2011
Households: 168Census 2011
Literacy rate: 35.6%Census 2011
Sex ratio: 849 ♀/1000♂Census 2011

2026 estimate

Projected from 2011 + state CAGR · live ECI electorate

Est. population: 8942026 proj. · +17.9% vs 2011
Est. households: 198

Post-2011 updates

Central-government dashboards · sourced from data.gov.in · refreshed when the ministry publishes

Tap water at homedistrict level: 96.4%Jal Jeevan Mission · Dec 2023 · Purbi Champaran district
Rural houses builtdistrict level: 37,22,797PMAY-G · 37,22,797 of 44,92,010 sanctioned · Mar 2025 · Purbi Champaran district
Toilets builtdistrict level: 3,93,613Swachh Bharat Mission - Gramin · Dec 2023 · Purbi Champaran district

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.

Boundary & surroundings

Chainpur on the mapचैनपुर

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📍 25.5200° N, 86.3100° EOpen in OSM →

Getting there

How to reach Chainpur

Mandal centre

Patahi · ≈ 115 km

≈ 3 h 57 min by car · 4 h 41 min by bike

Directions

District centre

Purbi Champaran · ≈ 121 km

≈ 4 h 8 min by car · 4 h 55 min by bike

Directions

Nearest town · 11,306 people

Chainpur · ≈ under 1 km

Directions

Same pincode

Villages sharing pincode 845457

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Same name, different place

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Looking for a different Chainpur? The largest eight this name across India.

From the village

Latest posts

All 6 posts →

Lead story

May 2026

newsDISTRICT

Bihar Police seize large consignment of illegal liquor in East Champaran

Bihar Police seize large consignment of illegal liquor in East Champaran (via Zee News). Read the full story at the source.

By Zee NewsRead full →

May

newsDISTRICT

Watch: Bihar storm kills 6 after lightning and fire tear through East Champaran

Watch: Bihar storm kills 6 after lightning and fire tear through East Champaran (via Moneycontrol.com). Read the full story at the source.

Moneycontrol.com

May

newsDISTRICT

Deadly Trio of Storm, Lightning, and Fire Kills Six in Bihar’s East Champaran

Deadly Trio of Storm, Lightning, and Fire Kills Six in Bihar’s East Champaran (via Deccan Chronicle). Read the full story at the source.

Deccan Chronicle

Notable persons of Chainpur

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What is the pincode of Chainpur?

The pincode of Chainpur, Patahi mandal, Purbi Champaran district, Bihar is 845457.

In which district is Chainpur located?

Chainpur is a village in Patahi mandal of Purbi Champaran district, Bihar, India.

What is the population of Chainpur as per Census 2011?

As per the 2011 Census, Chainpur village has a population of 758 across 168 households.

Which Lok Sabha constituency is Chainpur in?

Chainpur falls under the Muzaffarpur Lok Sabha constituency (PC #15) of Bihar.

Which Vidhan Sabha (assembly) constituency is Chainpur in?

Chainpur falls under the Aurai assembly constituency (AC #89) of Bihar.

What is the literacy rate in Chainpur?

The Census 2011 literacy rate for Chainpur village is 35.6%.

What is the sex ratio in Chainpur?

The Census 2011 sex ratio for Chainpur village is 849 females per 1,000 males.

What government schemes are applicable for residents of Chainpur?

12 schemes currently match residents of Chainpur, including Mukhyamantri Kanya Utthan Yojana, Mukhya Mantri Vridhjan Pension Yojana, Atal Pension Yojana (APY). Eligibility, benefits, and apply links are listed on the village page.

How far is Chainpur from Purbi Champaran district centre?

Chainpur is approximately 121 km (straight-line) from the centre of Purbi Champaran district. See "How to reach" on the village page for directions.

What is the LGD code of Chainpur?

The Local Government Directory (LGD) code of Chainpur village is 218542.

Which is the nearest town to Chainpur?

Chainpur (population 11,306, Census 2011) is the nearest large settlement, about 0 km from Chainpur in a straight line.

How big is Chainpur compared to other villages in Patahi mandal?

Chainpur ranks 37 of 37 villages in Patahi mandal by Census 2011 population (758 residents).

Answers are auto-built from the village's verified record. If something is wrong, residents can correct it after claiming the village.