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District of Bihar

Katihar District Population 2026

Population · 1 March 2026

≈ 39.68 lakh Estimate Our estimate, method M1, constrained to the official state projection 1 March 2026 How this is made →

39,68,000 3.97 million 1 March 2026

Katihar district's population is estimated at ≈39.68 lakh (39,68,000) on 1 March 2026. This is our estimate, tied to the official Bihar projection; Census 2011, the last count, recorded 30,71,029.

Estimate: method M1, constrained to the RGI projection for Bihar. Census: ORGI.

Which number do you mean?

District totals include villages. Here is how the 2011 population splits between towns and villages.

District

Katihar district

Census 2011
30,71,029
2026 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
≈ 39.68 lakh

Urban population

Towns (urban)

Census 2011
2,73,822

Rural

Villages (rural)

Census 2011
27,97,207

Key figures

Population 2026
≈ 39.68 lakh 39,68,000 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
Census 2011
30.71 lakh 30,71,029 Census 2011 Final count, Census of India 2011 (ORGI) How this is made →
Density
1,005per km² 2011
Sex ratio
919 Bihar: 918
Child sex ratio (0–6)
961 Bihar: 935
Literacy rate
52.2% Male 59.4% · Female 44.4%
Urban share
8.9% Bihar: 11.3%
Growth 2001–11
+28.4% Bihar: +25.4%
Area
3,057km² Census 2011
Households
6.19 lakh 5.0 people per household
Villages
1,539 Census 2011
Towns
3 Census 2011

Where it ranks

Population over time

Census counts on 2011 boundaries, then our estimate to 2036.

Katihar: Population over time
  • Census
  • Estimate
45 L 2026
› Show the numbers as a table
YearPopulation
19516,94,986
19619,11,037
197111,36,994
198114,28,622
199118,25,380
200123,92,638
201130,71,029
2016 *33,87,000
2021 *36,72,000
2026 *39,68,000
2031 *42,55,000
2036 *45,07,000

* Estimate

How Katihar's 2011 population was spread

Sub-districts (tehsils, talukas, mandals or blocks) as they were in Census 2011. “Part” means only some of it now lies in this district.

How Katihar's 2011 population was spread
#
1 Kadwa3,46,90211.3%92250.5%0.0%
2 Barsoi3,44,13311.2%91844.2%1.8%
3 Katihar3,21,81710.5%90072.4%74.8%
4 Azamnagar3,15,61010.3%92047.6%0.0%
5 Barari2,85,3819.3%90551.0%0.0%
6 Korha2,82,8139.2%93250.2%0.0%
7 Manihari1,91,4076.2%90753.5%13.9%
8 Amdabad1,67,3985.5%92845.3%0.0%
9 Balrampur1,58,9765.2%93447.2%0.0%
10 Falka1,55,6635.1%93047.0%0.0%
11 Pranpur1,44,2974.7%92452.7%0.0%
12 Sameli84,4862.8%91854.5%0.0%
13 Mansahi84,2572.7%92553.5%0.0%
14 Dandkhora68,0552.2%92760.2%0.0%
15 Kursela63,9282.1%90457.4%0.0%
16 Hasanganj55,9061.8%92855.2%0.0%

Largest towns in Katihar (Census 2011)

Largest towns in Katihar (Census 2011)
  1. Katihar 2,40,838
  2. Manihari 26,629
  3. Raghunathpur CT 6,355

How people in Katihar worked (Census 2011)

Cultivators

16.7%

Agricultural labourers

66.3%

Household industry

2.0%

Other work

15.0%

Share of all workers, main and marginal. Work participation: 33.0%.

Age structure of Katihar

Population in five-year age groups, Census 2011. Men on the left, women on the right. Census 2011 Census 2011, as published. How this is made →

Age structure of Katihar
MenWomen
  1. 80+
  2. 75-79
  3. 70-74
  4. 65-69
  5. 60-64
  6. 55-59
  7. 50-54
  8. 45-49
  9. 40-44
  10. 35-39
  11. 30-34
  12. 25-29
  13. 20-24
  14. 15-19
  15. 10-14
  16. 5-9
  17. 0-4
› Show the numbers as a table
AgeMenWomen
0-42,14,7002,06,748
5-92,38,2702,27,583
10-142,18,6572,02,244
15-191,57,2491,21,231
20-241,27,1631,15,782
25-291,14,0521,10,523
30-3499,01898,300
35-3996,22290,386
40-4480,44570,384
45-4965,98859,660
50-5453,30844,106
55-5938,44036,964
60-6437,64835,063
65-6925,77823,193
70-7417,40914,402
75-796,3665,674
80+8,1167,016
Children (0–14)
42.6%
Bihar 40.2%
Working age (15–59)
51.5%
Bihar 52.3%
Older people (60+)
5.9%
Bihar 7.4%
Median age
19.1years
Bihar 20.4
Dependency ratio
85.7
children and 65+ per 100 aged 15–64
Bihar 81.0

Languages spoken in Katihar

Share of people by mother tongue, grouped into languages as the Census does. 40 languages recorded. Census 2011 Census 2011, as published. How this is made →

Languages spoken in Katihar
  1. Hindi 73.9%
  2. Bengali 12.0%
  3. Urdu 9.1%
  4. Santali 3.0%
  5. Kurukh/Oraon 0.6%
  6. Maithili 0.6%
  7. Others 0.2%
  8. Gujarati 0.1%
  9. All other languages 0.4%

Largest mother tongues

  1. Surjapuri25.9%
  2. Hindi19.7%
  3. Bengali12.0%
  4. Urdu9.1%
  5. Santali3.0%
  6. Bhojpuri2.3%
  7. Kurukh/Oraon0.6%
  8. Maithili0.5%

Housing and amenities in Katihar

Share of households, Houselisting Census 2011. Census 2011 Census 2011, as published. How this is made →

Basic services

  • Electricity for lighting 9.9%

    Bihar 16.4%

  • Tap water 2.3%

    Bihar 4.4%

  • Water source within premises 50.9%

    Bihar 50.1%

  • Toilet within premises 17.5%

    Bihar 23.1%

  • Open defecation (no latrine) (Lower is better for this one.) 81.3%

    Bihar 75.8%

  • Bathing area within premises 32.5%

    Bihar 37.5%

  • Closed drainage 1.9%

    Bihar 6.7%

  • Cooking with LPG/PNG 5.3%

    Bihar 8.1%

  • Cooking with wood, crop waste or dung (Lower is better for this one.) 93.3%

    Bihar 88.9%

What households own

  • Mobile phone 37.5%

    Bihar 53.2%

  • Television 9.7%

    Bihar 14.5%

  • Scooter or motorcycle 5.7%

    Bihar 8.1%

  • Computer or laptop 4.4%

    Bihar 7.1%

  • Car, jeep or van 0.8%

    Bihar 1.7%

  • Use banking services 27.8%

    Bihar 44.4%

  • None of the listed assets (Lower is better for this one.) 34.0%

    Bihar 25.6%

The home itself

  • Own their home 96.5%

    Bihar 96.8%

  • Rent their home 1.8%

    Bihar 2.1%

  • Permanent (pucca) house 27.4%

    Bihar 48.0%

  • House in good condition 34.6%

    Bihar 36.1%

  • Concrete roof 13.1%

    Bihar 23.8%

  • Cement or tiled floor 9.8%

    Bihar 15.2%

  • One room or less (Lower is better for this one.) 65.3%

    Bihar 47.7%

Bihar

What the numbers say

  • Katihar district held 3.0% of Bihar's population in 2011, 14th of 38 districts.
  • Literacy is 52.2%, 9.6 points below the Bihar average of 61.8%.
  • The population grew 28.4% in 2001–11, faster than Bihar's 25.4%.
  • Our 2026 estimate, ≈39.68 lakh, implies growth of about 29% since 2011; it is tied to the official Bihar projection.
  • Its largest town, Katihar, had 2.41 lakh people in 2011, 7.8% of the district.

Compare with

All districts of Bihar →

Census 2027 status

Results pending

  1. Phase I: houselisting

    Done (2 May 2026 – 31 May 2026)

  2. Phase II: counting people

    February 2027 (reference date 1 March 2027)

  3. Results

    Not yet released. In 2011, first figures came about a month after counting ended.

When the Registrar General publishes Census 2027 figures for Katihar, they will appear on this page, at this address. Census 2027 explained →

Population by religion in Katihar (Census 2011)

Official figures as published by the Office of the Registrar General. Shown without commentary. Census 2011 Census 2011, as published. How this is made →

Population by religion in Katihar (Census 2011)
ReligionPersonsShareBihar
Hindu 16,84,589 54.9% 82.7%
Muslim 13,65,645 44.5% 16.9%
Christian 8,659 0.3% 0.1%
Sikh 2,754 0.1% 0.0%
Buddhist 212 0.0% 0.0%
Jain 507 0.0% 0.0%
Other religions and persuasions 2,141 0.1% 0.0%
Religion not stated 6,522 0.2% 0.2%
Total30,71,029100%

Frequently asked questions

What is the population of Katihar district in 2026?
Our estimate for 1 March 2026 is ≈39,68,000 (39.68 lakh). It is not an official figure: it applies Katihar's 2001–2011 trend, damped, to the official Bihar projection (method M1). Census 2011 counted 30,71,029.

What was the population of Katihar district in Census 2011?
30,71,029: 16,00,430 males and 14,70,599 females, of whom 2,73,822 lived in towns and 27,97,207 in villages.

What is the literacy rate and sex ratio of Katihar?
Literacy was 52.2% in 2011 (men 59.4%, women 44.4%). The sex ratio was 919 females per 1,000 males, and 961 among children aged 0–6.

Which is the largest town in Katihar district?
Katihar, with 2,40,838 people in Census 2011.

How many villages and towns are in Katihar district?
On today's boundaries the district contains 1,539 Census 2011 villages and 3 towns.

⤓ Download Bihar district data (CSV)

Sources and method

Data updated: · Report a correction