Arrah is a prominent city in the Bhojpur district of Bihar and serves as an important administrative, educational, and commercial center of the region. The city is located around 58 km west of Patna, the state capital of Bihar, and lies close to the banks of the Ganga River, which has historically supported trade and settlement in the area.
As per the Census of India 2011, the population of Arrah City was 2,61,099 (2.61 lakh). Due to steady urban growth and migration from surrounding rural areas, the population of Arrah has continued to increase over the past decade.
Based on recent estimates, the population of Arrah in 2026 is around 3.90 lakh.
👉 Projected Population of Arrah City (2026): ~3.90 lakh
Census 2011 Key Highlights (Arrah City)
According to the 2011 Census of India, Arrah city recorded a relatively high literacy rate of 83.41%, which is above the Bihar state average. Male literacy stood at 89.14%, while female literacy was 76.86%, indicating a notable gender gap but overall strong educational performance.
The sex ratio of Arrah in 2011 was 874 females per 1,000 males, which was lower than the national average of 940. The child sex ratio stood at 875, showing similar gender imbalance among children.
Children in the 0–6 years age group accounted for 13.18% of the total population. Arrah city had a population density of about 5,330 persons per sq. km, spread across an administrative area of approximately 49 sq. km.
🔗 Also read about: Top Cities in Bihar by Population
Demography Quick Facts (Arrah City – Census 2011)
| Category | Total | Male | Female |
|---|---|---|---|
| Population | 261,099 (2.61 lakh) | 139,319 | 121,780 |
| Children (0–6) | 34,419 | 18,356 | 16,063 |
| Literacy Rate (%) | 83.41 | 89.14 | 76.86 |
| Sex Ratio | 874 | — | — |
| Child Sex Ratio | 875 | — | — |
| Population Density | 5,330 / sq. km | — | — |
Source: Census of India 2011
