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District of Tamil Nadu

Chengalpattu District Population 2026

Population · 1 March 2026

≈ 22.06 lakh Estimate Our estimate, method M1, constrained to the official state projection 1 March 2026 How this is made →

22,06,000 2.21 million 1 March 2026

Chengalpattu district's population is estimated at ≈22.06 lakh (22,06,000) on 1 March 2026. This is our estimate, tied to the official Tamil Nadu projection; Census 2011, the last count, recorded 17,93,102 on the district’s present boundaries.

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

Which number do you mean?

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

District

Chengalpattu district

Census 2011
17,93,102
2026 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
≈ 22.06 lakh

Urban population

Towns (urban)

Census 2011
9,29,298

Rural

Villages (rural)

Census 2011
8,63,804

Key figures

Population 2026
≈ 22.06 lakh 22,06,000 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
Census 2011
17.93 lakh 17,93,102 Reconstructed Census figures re-added on today’s boundaries How this is made →
Density
≈ 676per km² 2011
Sex ratio
985 Tamil Nadu: 996
Child sex ratio (0–6)
960 Tamil Nadu: 943
Literacy rate
83.1% Male 88.9% · Female 77.3%
Urban share
51.8% Tamil Nadu: 48.4%
Growth 2001–11
+39.0% Tamil Nadu: +15.6%
Area
≈ 2,653km² approx., from 2011 sub-district areas
Households
4.5 lakh 4.0 people per household
Villages
590 Census 2011
Towns
31 Census 2011

Where it ranks

Population over time

Census figures re-added on today’s boundaries (parts of earlier districts apportioned by their 2011 population), then our estimate to 2036.

Chengalpattu: Population over time
  • Reconstructed
  • Estimate
24 L 2026
› Show the numbers as a table
YearPopulation
199110,83,063
200112,90,462
201117,93,102
2016 *19,41,000
2021 *20,79,000
2026 *22,06,000
2031 *23,23,000
2036 *24,28,000

* Estimate

How Chengalpattu'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 Chengalpattu's 2011 population was spread
#
1 Chengalpattu5,73,40632.0%98385.2%53.9%
2 Tambaram3,83,71821.4%97792.0%92.9%
3 Maduranthakam2,75,95315.4%99974.3%19.4%
4 Cheyyur2,06,01911.5%99773.2%13.7%
5 Tirukalukundram1,96,89711.0%98178.7%33.4%
6 Sholinganallur (part)1,11,4456.2%98388.4%63.5%
7 Alandur (part)45,6642.5%98287.7%100.0%

Largest towns in Chengalpattu (Census 2011)

Largest towns in Chengalpattu (Census 2011)
  1. Tambaram 1,74,787
  2. Maraimalainagar 81,872
  3. Chengalpattu 62,579
  4. Sembakkam 45,356
  5. Nandivaram - Guduvancheri 44,098
  6. Chitlapakkam 37,906
  7. Perungalathur 37,342
  8. Madambakkam 31,681
  9. Maduranthakam 30,796
  10. Medavakkam CT 29,710

How people in Chengalpattu worked (Census 2011)

Cultivators

6.7%

Agricultural labourers

22.0%

Household industry

2.5%

Other work

68.7%

Share of all workers, main and marginal. Work participation: 42.6%.

Age structure of Chengalpattu

Population in five-year age groups, Census 2011. Men on the left, women on the right. Census 2011, approx. Census 2011 on today’s boundaries; approximate, because some 2011 units were split between districts and are apportioned by population. How this is made →

Age structure of Chengalpattu
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
0-471,87969,075
5-967,45964,481
10-1472,89569,564
15-1980,12875,040
20-2485,56089,895
25-2989,54595,727
30-3480,97976,545
35-3974,61174,787
40-4463,16758,686
45-4955,53953,979
50-5443,51442,510
55-5935,77235,519
60-6430,71330,265
65-6918,86220,270
70-7414,92215,318
75-798,0858,032
80+7,8279,450
Children (0–14)
23.2%
Tamil Nadu 23.6%
Working age (15–59)
67.7%
Tamil Nadu 66.0%
Older people (60+)
9.1%
Tamil Nadu 10.4%
Median age
29.0years
Tamil Nadu 29.8
Dependency ratio
40.7
children and 65+ per 100 aged 15–64
Tamil Nadu 43.2

Languages spoken in Chengalpattu

Share of people by mother tongue, grouped into languages as the Census does. 69 languages recorded. Census 2011, approx. Census 2011 on today’s boundaries; approximate, because some 2011 units were split between districts and are apportioned by population. How this is made →

Languages spoken in Chengalpattu
  1. Tamil 91.7%
  2. Telugu 4.1%
  3. Urdu 1.2%
  4. Hindi 1.0%
  5. Malayalam 1.0%
  6. Kannada 0.3%
  7. Marathi 0.2%
  8. Gujarati 0.1%
  9. All other languages 0.3%

Largest mother tongues

  1. Tamil91.7%
  2. Telugu4.1%
  3. Urdu1.2%
  4. Hindi1.0%
  5. Malayalam1.0%
  6. Kannada0.3%
  7. Marathi0.2%
  8. Saurashtra/Saurashtri0.1%

Housing and amenities in Chengalpattu

Share of households, Houselisting Census 2011. Reconstructed Census 2011, added up on today’s boundaries from village, town or sub-district records. How this is made →

Basic services

  • Electricity for lighting 96.2%

    Tamil Nadu 93.4%

  • Tap water 73.3%

    Tamil Nadu 79.8%

  • Water source within premises 35.4%

    Tamil Nadu 35.1%

  • Toilet within premises 57.1%

    Tamil Nadu 48.5%

  • Open defecation (no latrine) (Lower is better for this one.) 41.3%

    Tamil Nadu 45.5%

  • Bathing area within premises 75.5%

    Tamil Nadu 64.3%

  • Closed drainage 26.8%

    Tamil Nadu 25.6%

  • Cooking with LPG/PNG 55.7%

    Tamil Nadu 48.1%

  • Cooking with wood, crop waste or dung (Lower is better for this one.) 35.6%

    Tamil Nadu 44.1%

What households own

  • Mobile phone 75.4%

    Tamil Nadu 69.3%

  • Television 91.0%

    Tamil Nadu 87.0%

  • Scooter or motorcycle 41.2%

    Tamil Nadu 32.4%

  • Computer or laptop 18.4%

    Tamil Nadu 10.7%

  • Car, jeep or van 6.1%

    Tamil Nadu 4.3%

  • Use banking services 56.3%

    Tamil Nadu 52.6%

  • None of the listed assets (Lower is better for this one.) 3.0%

    Tamil Nadu 5.1%

The home itself

  • Own their home 74.6%

    Tamil Nadu 74.4%

  • Rent their home 24.2%

    Tamil Nadu 23.5%

  • Permanent (pucca) house 72.5%

    Tamil Nadu 70.8%

  • House in good condition 73.4%

    Tamil Nadu 70.2%

  • Concrete roof 55.3%

    Tamil Nadu 43.8%

  • Cement or tiled floor 81.3%

    Tamil Nadu 79.8%

  • One room or less (Lower is better for this one.) 40.2%

    Tamil Nadu 48.1%

Tamil Nadu

What the numbers say

  • Chengalpattu district held 2.5% of Tamil Nadu's population in 2011, 17th of 38 districts.
  • Literacy is 83.1%, 3.0 points above the Tamil Nadu average of 80.1%.
  • The sex ratio of 985 females per 1,000 males is lower than the state's 996.
  • The population grew 39.0% in 2001–11, faster than Tamil Nadu's 15.6% (on today’s boundaries).
  • Our 2026 estimate, ≈22.06 lakh, implies growth of about 23% since 2011; it is tied to the official Tamil Nadu projection.
  • Its largest town, Tambaram, had 1.75 lakh people in 2011, 9.7% of the district.

How this district was formed

Chengalpattu covers land that was part of these districts in Census 2011:

  • Kancheepuram (2011) 100.0% of this district
    44.9% of the 2011 district

Compare with

All districts of Tamil Nadu →

Census 2027 status

Results pending

  1. Phase I: houselisting

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

Population by religion in Chengalpattu (Census 2011)

Official figures as published by the Office of the Registrar General. Shown without commentary. Reconstructed Census 2011 on today’s boundaries; approximate, because some 2011 units were split between districts and are apportioned by population. How this is made →

Population by religion in Chengalpattu (Census 2011)
ReligionPersonsShareTamil Nadu
Hindu ≈ 15,98,500 89.1% 87.6%
Muslim ≈ 70,900 4.0% 5.9%
Christian ≈ 1,11,200 6.2% 6.1%
Sikh ≈ 700 0.0% 0.0%
Buddhist ≈ 500 0.0% 0.0%
Jain ≈ 1,900 0.1% 0.1%
Other religions and persuasions ≈ 300 0.0% 0.0%
Religion not stated ≈ 9,100 0.5% 0.3%
Total17,93,102100%

Frequently asked questions

What is the population of Chengalpattu district in 2026?
Our estimate for 1 March 2026 is ≈22,06,000 (22.06 lakh). It is not an official figure: it applies Chengalpattu's 2001–2011 trend, damped, to the official Tamil Nadu projection (method M1). Census 2011 counted 17,93,102.

What was the population of Chengalpattu district in Census 2011?
17,93,102: 9,03,135 males and 8,89,967 females, of whom 9,29,298 lived in towns and 8,63,804 in villages. These figures are on the district’s current boundaries, rebuilt from Census 2011 village and town records.

What is the literacy rate and sex ratio of Chengalpattu?
Literacy was 83.1% in 2011 (men 88.9%, women 77.3%). The sex ratio was 985 females per 1,000 males, and 960 among children aged 0–6.

Which is the largest town in Chengalpattu district?
Tambaram, with 1,74,787 people in Census 2011.

How many villages and towns are in Chengalpattu district?
On today's boundaries the district contains 590 Census 2011 villages and 31 towns.

⤓ Download Tamil Nadu district data (CSV)

Sources and method

Data updated: · Report a correction