Katihar is a major city located in the eastern part of Bihar and is the administrative headquarters of Katihar District. It is the 10th most populous city in the state and lies about 30 km from Purnia. The city is an important commercial and railway hub in the Kosi–Seemanchal region.
As per the Census of India 2011, the population of Katihar City was 225,982 (2.26 lakh), comprising 119,142 males and 106,840 females.
According to recent estimates, the population of Katihar City in 2026 is around 3.35 lakh.
👉 Projected Population of Katihar City (2026): ~3.35 lakh
Katihar City Census 2011 Highlights
| Category | Data |
|---|---|
| Total Population | 225,982 (2.26 lakh) |
| Male Population | 119,142 |
| Female Population | 106,840 |
| Area | 33 sq. km |
| Population Density | 6,850 / sq. km |
| Literacy Rate | 79.87% |
| Male Literacy | 84.96% |
| Female Literacy | 74.16% |
| Sex Ratio | 897 |
| Child Sex Ratio | 933 |
| Children (0–6 yrs) | 31,036 |
Key Population Highlights (2011)
Population Density: 6,850 persons per sq. km across an area of about 33 sq. km.
Literacy Rate: 79.87% (Male: 84.96%, Female: 74.16%); total literates: 1.55 lakh.
Sex Ratio: 897 females per 1,000 males; Child sex ratio: 933.
Child Population (0–6 yrs): 31,036 children, forming about 13.73% of the total population.
🔗 Also read about: Top Cities in Bihar by Population
Katihar District Population Overview
Katihar District is one of the thirty-eight districts of Bihar and forms part of the Purnia Division. The district plays an important role in agriculture, trade, and transportation in the Seemanchal region.
According to the Census of India 2011, the population of Katihar District was 3,071,029 (30.71 lakh), including 1,600,430 males and 1,470,599 females.
As per recent estimates, the population of Katihar District in 2026 is around 41 lakh.
Projected Population of Katihar District (2026): ~41 lakh
Katihar District Census 2011 Highlights
| Category | Data |
|---|---|
| Total Population | 3,071,029 (30.71 lakh) |
| Male Population | 1,600,430 |
| Female Population | 1,470,599 |
| Area | 3,057 sq. km |
| Population Density | 1,005 / sq. km |
| Literacy Rate | 59.36% |
| Sex Ratio | 919 |
| Child Sex Ratio | 961 |
Source: Census of India 2011
🔗 Also read about: List of Districts in Bihar
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