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District of Kerala

Kollam District Population 2026

Population · 1 March 2026

≈ 27.93 lakh Estimate Our estimate, method M1, constrained to the official state projection 1 March 2026 How this is made →

27,93,000 2.79 million 1 March 2026

Kollam district's population is estimated at ≈27.93 lakh (27,93,000) on 1 March 2026. This is our estimate, tied to the official Kerala projection; Census 2011, the last count, recorded 26,35,375.

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

Which number do you mean?

The district, the city and the metro area are three different areas. Pick the one you mean.

City

Kollam (municipal limits)

Census 2011
3,48,657
2026 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
≈ 3.5 lakh

Metro area (UA)

Kollam urban agglomeration

Census 2011
11,10,668
2026 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
≈ 11.8 lakh

District

Kollam district

Census 2011
26,35,375
2026 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
≈ 27.93 lakh

Key figures

Population 2026
≈ 27.93 lakh 27,93,000 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
Census 2011
26.35 lakh 26,35,375 Census 2011 Final count, Census of India 2011 (ORGI) How this is made →
Density
1,061per km² 2011
Sex ratio
1113 Kerala: 1084
Child sex ratio (0–6)
973 Kerala: 964
Literacy rate
94.1% Male 96.1% · Female 92.3%
Urban share
45.1% Kerala: 47.7%
Growth 2001–11
+1.9% Kerala: +4.9%
Area
2,483km² Census 2011
Households
6.69 lakh 3.9 people per household
Villages
69 Census 2011
Towns
27 Census 2011

Where it ranks

Population over time

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

Kollam: Population over time
  • Census
  • Estimate
28 L 2026
› Show the numbers as a table
YearPopulation
195111,10,362
196114,61,103
197118,39,265
198121,75,339
199124,07,566
200125,85,208
201126,35,375
2016 *27,08,000
2021 *27,58,000
2026 *27,93,000
2031 *28,08,000
2036 *28,06,000

* Estimate

How Kollam'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 Kollam's 2011 population was spread
#
1 Kollam9,87,77937.5%110194.1%83.6%
2 Kottarakkara5,86,43422.3%113994.4%5.1%
3 Pathanapuram4,32,90416.4%112593.6%10.8%
4 Karunagappally 4,28,80216.3%109994.0%66.3%
5 Kunnathur1,99,4567.6%110394.4%0.0%

Largest towns in Kollam (Census 2011)

Largest towns in Kollam (Census 2011)
  1. Kollam 3,67,107
  2. Punalur 46,702
  3. Kottamkara CT 44,402
  4. Chavara CT 42,655
  5. Thrikkovilvattom CT 41,609
  6. Mayyanad CT 40,039
  7. Thrikkadavoor CT 39,285
  8. Thazhuthala CT 37,517
  9. Paravoor 37,245
  10. Perinad CT 35,173

How people in Kollam worked (Census 2011)

Cultivators

6.2%

Agricultural labourers

10.1%

Household industry

2.4%

Other work

81.3%

Share of all workers, main and marginal. Work participation: 34.6%.

Age structure of Kollam

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 Kollam
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
0-490,34988,201
5-997,75894,278
10-141,08,3881,04,049
15-1998,39596,102
20-2495,2081,04,646
25-2989,5901,10,395
30-3488,0411,07,825
35-3993,6711,17,254
40-4487,4481,06,870
45-4989,8471,04,289
50-5475,18883,845
55-5974,39077,530
60-6456,96860,070
65-6939,78045,747
70-7427,34134,434
75-7917,02123,828
80+16,69628,127
Children (0–14)
22.1%
Kerala 23.5%
Working age (15–59)
64.6%
Kerala 64.0%
Older people (60+)
13.3%
Kerala 12.6%
Median age
33.6years
Kerala 32.0
Dependency ratio
44.9
children and 65+ per 100 aged 15–64
Kerala 46.6

Languages spoken in Kollam

Share of people by mother tongue, grouped into languages as the Census does. 33 languages recorded. Census 2011 Census 2011, as published. How this is made →

Languages spoken in Kollam
  1. Malayalam 99.1%
  2. Tamil 0.6%
  3. Bengali 0.1%
  4. Hindi 0.1%
  5. Konkani 0.0%
  6. Telugu 0.0%
  7. English 0.0%
  8. Marathi 0.0%

Largest mother tongues

  1. Malayalam99.1%
  2. Tamil0.6%
  3. Bengali0.1%
  4. Hindi0.0%
  5. Konkani0.0%
  6. Telugu0.0%
  7. English0.0%
  8. Marathi0.0%

Housing and amenities in Kollam

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

Basic services

  • Electricity for lighting 95.1%

    Kerala 94.4%

  • Tap water 27.1%

    Kerala 29.3%

  • Water source within premises 85.7%

    Kerala 77.7%

  • Toilet within premises 94.5%

    Kerala 95.2%

  • Open defecation (no latrine) (Lower is better for this one.) 4.0%

    Kerala 3.8%

  • Bathing area within premises 80.3%

    Kerala 85.8%

  • Closed drainage 19.3%

    Kerala 25.3%

  • Cooking with LPG/PNG 39.7%

    Kerala 35.9%

  • Cooking with wood, crop waste or dung (Lower is better for this one.) 59.1%

    Kerala 62.8%

What households own

  • Mobile phone 71.0%

    Kerala 78.1%

  • Television 79.3%

    Kerala 76.8%

  • Scooter or motorcycle 21.7%

    Kerala 24.1%

  • Computer or laptop 12.6%

    Kerala 15.8%

  • Car, jeep or van 8.9%

    Kerala 10.2%

  • Use banking services 69.5%

    Kerala 74.3%

  • None of the listed assets (Lower is better for this one.) 6.3%

    Kerala 4.8%

The home itself

  • Own their home 90.0%

    Kerala 90.7%

  • Rent their home 7.8%

    Kerala 7.3%

  • Permanent (pucca) house 84.1%

    Kerala 83.6%

  • House in good condition 65.9%

    Kerala 66.3%

  • Concrete roof 48.8%

    Kerala 48.0%

  • Cement or tiled floor 86.3%

    Kerala 84.3%

  • One room or less (Lower is better for this one.) 8.8%

    Kerala 8.4%

Kerala

What the numbers say

  • Kollam district held 7.9% of Kerala's population in 2011, 7th of 14 districts.
  • The sex ratio of 1113 females per 1,000 males is higher than the state's 1084.
  • The population grew 1.9% in 2001–11, slower than Kerala's 4.9%.
  • Our 2026 estimate, ≈27.93 lakh, implies growth of about 6% since 2011; it is tied to the official Kerala projection.
  • Its largest town, Kollam, had 3.67 lakh people in 2011, 13.9% of the district.

Compare with

All districts of Kerala →

Census 2027 status

Results pending

  1. Phase I: houselisting

    Done (1 July 2026 – 30 July 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 Kollam, they will appear on this page, at this address. Census 2027 explained →

Population by religion in Kollam (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 Kollam (Census 2011)
ReligionPersonsShareKerala
Hindu 16,97,635 64.4% 54.7%
Muslim 5,08,500 19.3% 26.6%
Christian 4,21,598 16.0% 18.4%
Sikh 208 0.0% 0.0%
Buddhist 272 0.0% 0.0%
Jain 63 0.0% 0.0%
Other religions and persuasions 619 0.0% 0.0%
Religion not stated 6,480 0.2% 0.3%
Total26,35,375100%

Frequently asked questions

What is the population of Kollam district in 2026?
Our estimate for 1 March 2026 is ≈27,93,000 (27.93 lakh). It is not an official figure: it applies Kollam's 2001–2011 trend, damped, to the official Kerala projection (method M1). Census 2011 counted 26,35,375.

What was the population of Kollam district in Census 2011?
26,35,375: 12,46,968 males and 13,88,407 females, of whom 11,87,158 lived in towns and 14,48,217 in villages.

What is the literacy rate and sex ratio of Kollam?
Literacy was 94.1% in 2011 (men 96.1%, women 92.3%). The sex ratio was 1113 females per 1,000 males, and 973 among children aged 0–6.

Which is the largest town in Kollam district?
Kollam, with 3,67,107 people in Census 2011.

How many villages and towns are in Kollam district?
On today's boundaries the district contains 69 Census 2011 villages and 27 towns.

⤓ Download Kerala district data (CSV)

Sources and method

Data updated: · Report a correction