Know the current (2021) population of Tamil Nadu and also the population according to the 2011 census.

Tamil Nadu Population


Estimated population in 2021

Estimated population of Tamil Nadu in 2021
83,697,770
Estimated population of males in 2021
41,932,750
Estimated population of females in 2021
41,765,019

Population as per 2011 census

Population
72,147,030
Male Population
36,145,807
Female Population
36,001,223
% of Male' Population
50.10%
% of Female' Population
49.90%
% of India' Population
5.96%
Sex Ratio
996
Child Sex Ratio
943
Density/km2
555
Density/mi2
1,437
Area (km2)
130,060
Area (mi2)
50,216
Child Population (0-6 Age)
7,423,832
Boys Population (0-6 Age)
3,820,276
Girls Population (0-6 Age)
3,603,556
Literacy
80.09%
Male Literacy
86.74%
Female Literacy
73.45%
Total Literates
51,837,507
Male Literates
28,040,491
Female Literates
23,797,016
Population Rural
37,229,590
Population Rural Percentage
51.60%
Population Urban
34,917,440
Population Urban Percentage
48.40%

Tamil Nadu Religious Data

Description
Population in 2020
Percentage
Estimated Population in 2021
Hindus
63,188,168
87.58%
73,304,594
Muslims
4,229,479
5.86%
4,906,619
Christians
4,418,331
6.12%
5,125,706
Sikhs
14,601
0.02%
16,939
Buddhists
11,186
0.02%
12,977
Jains
89,265
0.12%
103,556
Not Stated
188,586
0.26%
218,779
Others
7,414
0.01%
8,601
Total
72,147,030
100.00%
83,697,770

Tamil Nadu Population Facts

Description Districts As per 2011 census
Most Populous District Chennai
4,646,732
Least Populous District Perambalur
565,223
District with Highest Sex Ratio The Nilgiris
1,042
District with Lowest Sex Ratio Dharmapuri
946
District with Highest Literacy Rate Kanyakumari
91.75%
District with Lowest Literacy Rate Dharmapuri
68.54%
District with Highest Population Density Chennai
17,000
District with Lowest Population Density The Nilgiris
288

District-wise Population

S.No. District Name
As per 2011 census
Estimated Population in 2021
1. Ariyalur
754,894
875,753
2. Chennai
4,646,732
5,390,674
3. Coimbatore
3,458,045
4,011,678
4. Cuddalore
2,605,914
3,023,121
5. Dharmapuri
1,506,843
1,748,089
6. Dindigul
2,159,775
2,505,555
7. Erode
2,251,744
2,612,248
8. Kanchipuram
3,998,252
4,638,372
9. Kanyakumari
1,870,374
2,169,821
10. Karur
1,064,493
1,234,918
11. Krishnagiri
1,879,809
2,180,766
12. Madurai
3,038,252
3,524,676
13. Nagapattinam
1,616,450
1,875,244
14. Namakkal
1,726,601
2,003,030
15. Perambalur
565,223
655,715
16. Pudukkottai
1,618,345
1,877,442
17. Ramanathapuram
1,353,445
1,570,132
18. Salem
3,482,056
4,039,533
19. Sivaganga
1,339,101
1,553,491
20. Thanjavur
2,405,890
2,791,073
21. The Nilgiris
735,394
853,131
22. Theni
1,245,899
1,445,367
23. Thoothukudi
1,750,176
2,030,379
24. Tiruchirappalli
2,722,290
3,158,129
25. Tirunelveli
3,077,233
3,569,898
26. Tirupur
2,479,052
2,875,948
27. Tiruvallur
3,728,104
4,324,973
28. Tiruvannamalai
2,464,875
2,859,501
29. Tiruvarur
1,264,277
1,466,688
30. Vellore
3,936,331
4,566,538
31. Viluppuram
3,458,873
4,012,639
32. Virudhunagar
1,942,288
2,253,248

City-wise Population

S.No. City Name
As per 2011 census
Estimated Population in 2021
1. Alandur
164,430
190,755
2. Ambattur
466,205
540,844
3. Ambur
114,608
132,957
4. Avadi
345,996
401,390
5. Chennai
4,646,732
5,390,674
6. Coimbatore
1,050,721
1,218,941
7. Cuddalore
173,636
201,435
8. Dindigul
207,327
240,520
9. Erode
157,101
182,253
10. Hosur
116,821
135,524
11. Kancheepuram
164,384
190,702
12. Karaikkudi
106,714
123,799
13. Kumbakonam
140,156
162,595
14. Kurichi
123,667
143,466
15. Madavaram
119,105
138,174
16. Madurai
1,017,865
1,180,825
17. Nagapattinam
102,905
119,380
18. Nagercoil
224,849
260,847
19. Neyveli
105,731
122,659
20. Pallavaram
215,417
249,905
21. Pudukkottai
117,630
136,463
22. Rajapalayam
130,442
151,326
23. Salem
829,267
962,033
24. Tambaram
174,787
202,770
25. Thanjavur
222,943
258,636
26. Thoothukkudi
237,830
275,907
27. Tiruchirappalli
847,387
983,054
28. Tirunelveli
473,637
549,466
29. Tiruppur
444,352
515,493
30. Tiruvannamalai
145,278
168,537
31. Tiruvottiyur
249,446
289,382
32. Vellore
185,803
215,550