The district atlas | Bihar Unpacked

PLATE 01 / BIHAR DISTRICTSSOURCE GEOGRAPHY: 2021

27° N THE DISTRICT ATLAS 88° E

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BU-26 / GEOGRAPHIC NOTE

Patna

Population 2026 · estimate73.42 lakhUNFPA · projection 1 Mar 2026

Census 2011: 58,38,465 people

Approximate mapped area: 3,318km²
East–west span: 134.7km

Calculated from simplified 2021 polygons. Not official area figures or travel distances. How these are measured.

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Source: geoBoundaries / Pathways Data
Reference: 2021 · Calculation: Bihar Unpacked
Population and literacy use Census 2011; the map uses 2021 geometry.

Two places, one measureCOMPARISON / ONE DEFINITION AT A TIME

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Second district

Measurement

Published UNFPA district projection for 1 March 2026. A modelled estimate, not a Census enumeration. Source totals are retained; no current literacy or urban share is inferred.

Both selections: 2026 · estimated people. Same source and definition. Different reference periods and definitions are never mixed. Source · Method & limitations