List of constituencies of the Tamil Nadu Legislative Assembly
Updated: 5/24/2026, 6:52:21 PM Wikipedia source
The Tamil Nadu Legislative Assembly is the unicameral legislature of the state of Tamil Nadu, in south India. It has existed since 1 November 1986. As of 2022, it comprises members from 234 constituencies, who are democratically elected using the first-past-the-post system. The presiding officer of the Assembly is called the Speaker. The term of the Assembly is five years unless it is dissolved earlier.
Tables
· Current list of constituencies
1
1
#
1
Constituency
Gummidipoondi
Reserved
-
Electors
As per Feb 2026 SIR
254,129
Change
Prev. Election
10 %
District
Thiruvallur
Lok Sabha
constituency
Tiruvallur
Constituency
since
1967
Constituency
Map
2
2
#
2
Constituency
Ponneri
Reserved
SC
Electors
As per Feb 2026 SIR
251,397
Change
Prev. Election
6 %
District
1952
Lok Sabha
constituency
3
3
#
3
Constituency
Tiruttani
Reserved
-
Electors
As per Feb 2026 SIR
261,857
Change
Prev. Election
10 %
District
Arakkonam
Lok Sabha
constituency
1952
Constituency
since
4
4
#
4
Constituency
Thiruvallur
Reserved
-
Electors
As per Feb 2026 SIR
251,018
Change
Prev. Election
9 %
District
Tiruvallur
Lok Sabha
constituency
1952
Constituency
since
5
5
#
5
Constituency
Poonamallee
Reserved
SC
Electors
As per Feb 2026 SIR
368,634
Change
Prev. Election
1 %
District
1977
Lok Sabha
constituency
6
6
#
6
Constituency
Avadi
Reserved
-
Electors
As per Feb 2026 SIR
436,177
Change
Prev. Election
3 %
District
2011
Lok Sabha
constituency
7
7
#
7
Constituency
Maduravoyal
Reserved
-
Electors
As per Feb 2026 SIR
373,283
Change
Prev. Election
19 %
District
Chennai
Lok Sabha
constituency
Sriperumbudur
Constituency
since
2011
Constituency
Map
8
8
#
8
Constituency
Ambattur
Reserved
-
Electors
As per Feb 2026 SIR
337,019
Change
Prev. Election
14 %
District
2011
Lok Sabha
constituency
9
9
#
9
Constituency
Madavaram
Reserved
-
Electors
As per Feb 2026 SIR
431,796
Change
Prev. Election
7 %
District
Tiruvallur
Lok Sabha
constituency
2011
Constituency
since
10
10
#
10
Constituency
Thiruvottiyur
Reserved
-
Electors
As per Feb 2026 SIR
244,903
Change
Prev. Election
21 %
District
Chennai North
Lok Sabha
constituency
1967
Constituency
since
11
11
#
11
Constituency
Dr. Radhakrishnan Nagar
Electors
As per Feb 2026 SIR
199,359
Change
Prev. Election
25 %
District
1977
Lok Sabha
constituency
12
12
#
12
Constituency
Perambur
Reserved
-
Electors
As per Feb 2026 SIR
226,296
Change
Prev. Election
29 %
District
1952
Lok Sabha
constituency
13
13
#
13
Constituency
Kolathur
Reserved
-
Electors
As per Feb 2026 SIR
211,772
Change
Prev. Election
26 %
District
2011
Lok Sabha
constituency
14
14
#
14
Constituency
Villivakkam
Reserved
-
Electors
As per Feb 2026 SIR
163,372
Change
Prev. Election
37 %
District
Chennai Central
Lok Sabha
constituency
1977
Constituency
since
15
15
#
15
Constituency
Thiru-Vi-Ka-Nagar
Reserved
SC
Electors
As per Feb 2026 SIR
181,621
Change
Prev. Election
18 %
District
Chennai North
Lok Sabha
constituency
2011
Constituency
since
16
16
#
16
Constituency
Egmore
Reserved
SC
Electors
As per Feb 2026 SIR
138,775
Change
Prev. Election
50 %
District
Chennai Central
Lok Sabha
constituency
1957
Constituency
since
17
17
#
17
Constituency
Royapuram
Reserved
-
Electors
As per Feb 2026 SIR
159,654
Change
Prev. Election
18 %
District
Chennai North
Lok Sabha
constituency
1977
Constituency
since
18
18
#
18
Constituency
Harbour
Reserved
-
Electors
As per Feb 2026 SIR
120,126
Change
Prev. Election
33 %
District
Chennai Central
Lok Sabha
constituency
1952
Constituency
since
19
19
#
19
Constituency
Chepauk-Thiruvallikeni
Reserved
-
Electors
As per Feb 2026 SIR
166,023
Change
Prev. Election
29 %
District
2011
Lok Sabha
constituency
20
20
#
20
Constituency
Thousand Lights
Reserved
-
Electors
As per Feb 2026 SIR
157,529
Change
Prev. Election
35 %
District
1952
Lok Sabha
constituency
21
21
#
21
Constituency
Anna Nagar
Reserved
-
Electors
As per Feb 2026 SIR
188,861
Change
Prev. Election
36 %
District
1977
Lok Sabha
constituency
22
22
#
22
Constituency
Virugampakkam
Reserved
-
Electors
As per Feb 2026 SIR
200,578
Change
Prev. Election
32 %
District
Chennai South
Lok Sabha
constituency
2011
Constituency
since
23
23
#
23
Constituency
Saidapet
Reserved
-
Electors
As per Feb 2026 SIR
204,146
Change
Prev. Election
28 %
District
1952
Lok Sabha
constituency
24
24
#
24
Constituency
Thiyagarayanagar
Reserved
-
Electors
As per Feb 2026 SIR
158,757
Change
Prev. Election
36 %
District
1957
Lok Sabha
constituency
25
25
#
25
Constituency
Mylapore
Reserved
-
Electors
As per Feb 2026 SIR
199,465
Change
Prev. Election
28 %
District
1952
Lok Sabha
constituency
26
26
#
26
Constituency
Velachery
Reserved
-
Electors
As per Feb 2026 SIR
217,171
Change
Prev. Election
32 %
District
2011
Lok Sabha
constituency
27
27
#
27
Constituency
Sholinganallur
Reserved
-
Electors
As per Feb 2026 SIR
553,905
Change
Prev. Election
23 %
District
2011
Lok Sabha
constituency
28
28
#
28
Constituency
Alandur
Reserved
-
Electors
As per Feb 2026 SIR
301,055
Change
Prev. Election
23 %
District
Sriperumbudur
Lok Sabha
constituency
1977
Constituency
since
29
29
#
29
Constituency
Sriperumbudur
Reserved
SC
Electors
As per Feb 2026 SIR
381,750
Change
Prev. Election
5 %
District
Kancheepuram
Lok Sabha
constituency
1952
Constituency
since
30
30
#
30
Constituency
Pallavaram
Reserved
-
Electors
As per Feb 2026 SIR
336,963
Change
Prev. Election
24 %
District
Chengalpattu
Lok Sabha
constituency
2011
Constituency
since
31
31
#
31
Constituency
Tambaram
Reserved
-
Electors
As per Feb 2026 SIR
330,060
Change
Prev. Election
22 %
District
1977
Lok Sabha
constituency
32
32
#
32
Constituency
Chengalpattu
Reserved
-
Electors
As per Feb 2026 SIR
372,839
Change
Prev. Election
14 %
District
Kanchipuram
Lok Sabha
constituency
1952
Constituency
since
33
33
#
33
Constituency
Thiruporur
Reserved
-
Electors
As per Feb 2026 SIR
294,410
Change
Prev. Election
1 %
District
1952
Lok Sabha
constituency
34
34
#
34
Constituency
Cheyyur
Reserved
SC
Electors
As per Feb 2026 SIR
203,998
Change
Prev. Election
11 %
District
2011
Lok Sabha
constituency
35
35
#
35
Constituency
Madurantakam
Reserved
SC
Electors
As per Feb 2026 SIR
212,639
Change
Prev. Election
6 %
District
1952
Lok Sabha
constituency
36
36
#
36
Constituency
Uthiramerur
Reserved
-
Electors
As per Feb 2026 SIR
246,177
Change
Prev. Election
6 %
District
Kancheepuram
Lok Sabha
constituency
1952
Constituency
since
37
37
#
37
Constituency
Kancheepuram
Reserved
-
Electors
As per Feb 2026 SIR
278,775
Change
Prev. Election
10 %
District
1952
Lok Sabha
constituency
38
38
#
38
Constituency
Arakkonam
Reserved
SC
Electors
As per Feb 2026 SIR
200,773
Change
Prev. Election
9 %
District
Ranipet
Lok Sabha
constituency
Arakkonam
Constituency
since
1952
Constituency
Map
39
39
#
39
Constituency
Sholingur
Reserved
-
Electors
As per Feb 2026 SIR
257,522
Change
Prev. Election
7 %
District
1952
Lok Sabha
constituency
40
40
#
40
Constituency
Katpadi
Reserved
-
Electors
As per Feb 2026 SIR
228,736
Change
Prev. Election
9 %
District
Vellore
Lok Sabha
constituency
1962
Constituency
since
41
41
#
41
Constituency
Ranipet
Reserved
-
Electors
As per Feb 2026 SIR
248,244
Change
Prev. Election
7 %
District
Ranipet
Lok Sabha
constituency
1952
Constituency
since
42
42
#
42
Constituency
Arcot
Reserved
-
Electors
As per Feb 2026 SIR
245,319
Change
Prev. Election
7 %
District
1952
Lok Sabha
constituency
43
43
#
43
Constituency
Vellore
Reserved
-
Electors
As per Feb 2026 SIR
214,504
Change
Prev. Election
16 %
District
Vellore
Lok Sabha
constituency
Vellore
Constituency
since
1952
Constituency
Map
44
44
#
44
Constituency
Anaikattu
Reserved
-
Electors
As per Feb 2026 SIR
238,715
Change
Prev. Election
7 %
District
1977
Lok Sabha
constituency
45
45
#
45
Constituency
Kilvaithinankuppam
Reserved
SC
Electors
As per Feb 2026 SIR
215,304
Change
Prev. Election
6 %
District
2011
Lok Sabha
constituency
46
46
#
46
Constituency
Gudiyatham
Reserved
SC
Electors
As per Feb 2026 SIR
251,588
Change
Prev. Election
14 %
District
1952
Lok Sabha
constituency
47
47
#
47
Constituency
Vaniyambadi
Reserved
-
Electors
As per Feb 2026 SIR
242,540
Change
Prev. Election
3 %
District
Tirupattur
Lok Sabha
constituency
1952
Constituency
since
48
48
#
48
Constituency
Ambur
Reserved
-
Electors
As per Feb 2026 SIR
214,469
Change
Prev. Election
10 %
District
1957
Lok Sabha
constituency
49
49
#
49
Constituency
Jolarpet
Reserved
-
Electors
As per Feb 2026 SIR
236,127
Change
Prev. Election
2 %
District
Tiruvannamalai
Lok Sabha
constituency
2011
Constituency
since
50
50
#
50
Constituency
Tiruppattur
Reserved
-
Electors
As per Feb 2026 SIR
226,691
Change
Prev. Election
5 %
District
1952
Lok Sabha
constituency
51
51
#
51
Constituency
Uthangarai
Reserved
SC
Electors
As per Feb 2026 SIR
235,451
Change
Prev. Election
1 %
District
Krishnagiri
Lok Sabha
constituency
Krishnagiri
Constituency
since
2011
Constituency
Map
52
52
#
52
Constituency
Bargur
Reserved
-
Electors
As per Feb 2026 SIR
239,318
Change
Prev. Election
3 %
District
1977
Lok Sabha
constituency
53
53
#
53
Constituency
Krishnagiri
Reserved
-
Electors
As per Feb 2026 SIR
267,366
Change
Prev. Election
0 %
District
1952
Lok Sabha
constituency
54
54
#
54
Constituency
Veppanahalli
Reserved
-
Electors
As per Feb 2026 SIR
246,093
Change
Prev. Election
2 %
District
2011
Lok Sabha
constituency
55
55
#
55
Constituency
Hosur
Reserved
-
Electors
As per Feb 2026 SIR
342,989
Change
Prev. Election
3 %
District
1952
Lok Sabha
constituency
56
56
#
56
Constituency
Thalli
Reserved
-
Electors
As per Feb 2026 SIR
237,924
Change
Prev. Election
6 %
District
1977
Lok Sabha
constituency
57
57
#
57
Constituency
Palacode
Reserved
-
Electors
As per Feb 2026 SIR
240,322
Change
Prev. Election
0 %
District
Dharmapuri
Lok Sabha
constituency
Dharamapuri
Constituency
since
1967
Constituency
Map
58
58
#
58
Constituency
Pennagaram
Reserved
-
Electors
As per Feb 2026 SIR
248,614
Change
Prev. Election
0 %
District
1952
Lok Sabha
constituency
59
59
#
59
Constituency
Dharmapuri
Reserved
-
Electors
As per Feb 2026 SIR
260,751
Change
Prev. Election
4 %
District
1952
Lok Sabha
constituency
60
60
#
60
Constituency
Pappireddippatti
Reserved
-
Electors
As per Feb 2026 SIR
256,640
Change
Prev. Election
4 %
District
2011
Lok Sabha
constituency
61
61
#
61
Constituency
Harur
Reserved
SC
Electors
As per Feb 2026 SIR
245,692
Change
Prev. Election
2 %
District
1952
Lok Sabha
constituency
62
62
#
62
Constituency
Chengam
Reserved
SC
Electors
As per Feb 2026 SIR
268,997
Change
Prev. Election
3 %
District
Tiruvannamalai
Lok Sabha
constituency
Tiruvannamalai
Constituency
since
1952
Constituency
Map
63
63
#
63
Constituency
Tiruvannamalai
Reserved
-
Electors
As per Feb 2026 SIR
249,848
Change
Prev. Election
13 %
District
1957
Lok Sabha
constituency
64
64
#
64
Constituency
Kilpennathur
Reserved
-
Electors
As per Feb 2026 SIR
240,823
Change
Prev. Election
5 %
District
2011
Lok Sabha
constituency
65
65
#
65
Constituency
Kalasapakkam
Reserved
-
Electors
As per Feb 2026 SIR
232,847
Change
Prev. Election
4 %
District
1952
Lok Sabha
constituency
66
66
#
66
Constituency
Polur
Reserved
-
Electors
As per Feb 2026 SIR
233,774
Change
Prev. Election
4 %
District
Arani
Lok Sabha
constituency
1952
Constituency
since
67
67
#
67
Constituency
Arani
Reserved
-
Electors
As per Feb 2026 SIR
254,963
Change
Prev. Election
8 %
District
1952
Lok Sabha
constituency
68
68
#
68
Constituency
Cheyyar
Reserved
-
Electors
As per Feb 2026 SIR
239,856
Change
Prev. Election
8 %
District
1952
Lok Sabha
constituency
69
69
#
69
Constituency
Vandavasi
Reserved
SC
Electors
As per Feb 2026 SIR
213,474
Change
Prev. Election
11 %
District
1952
Lok Sabha
constituency
70
70
#
70
Constituency
Gingee
Reserved
-
Electors
As per Feb 2026 SIR
242,667
Change
Prev. Election
7 %
District
Viluppuram
Lok Sabha
constituency
1952
Constituency
since
71
71
#
71
Constituency
Mailam
Reserved
-
Electors
As per Feb 2026 SIR
209,016
Change
Prev. Election
5 %
District
2011
Lok Sabha
constituency
72
72
#
72
Constituency
Tindivanam
Reserved
-
Electors
As per Feb 2026 SIR
219,256
Change
Prev. Election
5 %
District
Viluppuram
Lok Sabha
constituency
1952
Constituency
since
73
73
#
73
Constituency
Vanur
Reserved
SC
Electors
As per Feb 2026 SIR
209,824
Change
Prev. Election
8 %
District
1962
Lok Sabha
constituency
74
74
#
74
Constituency
Villupuram
Reserved
-
Electors
As per Feb 2026 SIR
245,899
Change
Prev. Election
6 %
District
1952
Lok Sabha
constituency
75
75
#
75
Constituency
Vikravandi
Reserved
-
Electors
As per Feb 2026 SIR
228,995
Change
Prev. Election
3 %
District
1952
Lok Sabha
constituency
76
76
#
76
Constituency
Tirukkoyilur
Reserved
-
Electors
As per Feb 2026 SIR
243,105
Change
Prev. Election
5 %
District
Kallakurichi
Lok Sabha
constituency
1952
Constituency
since
77
77
#
77
Constituency
Ulundurpettai
Reserved
-
Electors
As per Feb 2026 SIR
300,699
Change
Prev. Election
1 %
District
1952
Lok Sabha
constituency
78
78
#
78
Constituency
Rishivandiyam
Reserved
-
Electors
As per Feb 2026 SIR
273,571
Change
Prev. Election
0 %
District
Kallakurichi
Lok Sabha
constituency
1962
Constituency
since
79
79
#
79
Constituency
Sankarapuram
Reserved
-
Electors
As per Feb 2026 SIR
265,951
Change
Prev. Election
2 %
District
1962
Lok Sabha
constituency
| # | Constituency | Reserved | Electors As per Feb 2026 SIR | Change Prev. Election | District | Lok Sabha constituency | Constituency since | Constituency Map |
| 1 | Gummidipoondi | - | 254,129 | 10 % | Thiruvallur | Tiruvallur | 1967 | |
| 2 | Ponneri | SC | 251,397 | 6 % | 1952 | | ||
| 3 | Tiruttani | - | 261,857 | 10 % | Arakkonam | 1952 | | |
| 4 | Thiruvallur | - | 251,018 | 9 % | Tiruvallur | 1952 | | |
| 5 | Poonamallee | SC | 368,634 | 1 % | 1977 | | ||
| 6 | Avadi | - | 436,177 | 3 % | 2011 | | ||
| 7 | Maduravoyal | - | 373,283 | 19 % | Chennai | Sriperumbudur | 2011 | |
| 8 | Ambattur | - | 337,019 | 14 % | 2011 | | ||
| 9 | Madavaram | - | 431,796 | 7 % | Tiruvallur | 2011 | | |
| 10 | Thiruvottiyur | - | 244,903 | 21 % | Chennai North | 1967 | | |
| 11 | Dr. Radhakrishnan Nagar | 199,359 | 25 % | 1977 | | |||
| 12 | Perambur | - | 226,296 | 29 % | 1952 | | ||
| 13 | Kolathur | - | 211,772 | 26 % | 2011 | | ||
| 14 | Villivakkam | - | 163,372 | 37 % | Chennai Central | 1977 | | |
| 15 | Thiru-Vi-Ka-Nagar | SC | 181,621 | 18 % | Chennai North | 2011 | | |
| 16 | Egmore | SC | 138,775 | 50 % | Chennai Central | 1957 | | |
| 17 | Royapuram | - | 159,654 | 18 % | Chennai North | 1977 | | |
| 18 | Harbour | - | 120,126 | 33 % | Chennai Central | 1952 | | |
| 19 | Chepauk-Thiruvallikeni | - | 166,023 | 29 % | 2011 | | ||
| 20 | Thousand Lights | - | 157,529 | 35 % | 1952 | | ||
| 21 | Anna Nagar | - | 188,861 | 36 % | 1977 | | ||
| 22 | Virugampakkam | - | 200,578 | 32 % | Chennai South | 2011 | | |
| 23 | Saidapet | - | 204,146 | 28 % | 1952 | | ||
| 24 | Thiyagarayanagar | - | 158,757 | 36 % | 1957 | | ||
| 25 | Mylapore | - | 199,465 | 28 % | 1952 | | ||
| 26 | Velachery | - | 217,171 | 32 % | 2011 | | ||
| 27 | Sholinganallur | - | 553,905 | 23 % | 2011 | | ||
| 28 | Alandur | - | 301,055 | 23 % | Sriperumbudur | 1977 | | |
| 29 | Sriperumbudur | SC | 381,750 | 5 % | Kancheepuram | 1952 | | |
| 30 | Pallavaram | - | 336,963 | 24 % | Chengalpattu | 2011 | | |
| 31 | Tambaram | - | 330,060 | 22 % | 1977 | | ||
| 32 | Chengalpattu | - | 372,839 | 14 % | Kanchipuram | 1952 | | |
| 33 | Thiruporur | - | 294,410 | 1 % | 1952 | | ||
| 34 | Cheyyur | SC | 203,998 | 11 % | 2011 | | ||
| 35 | Madurantakam | SC | 212,639 | 6 % | 1952 | | ||
| 36 | Uthiramerur | - | 246,177 | 6 % | Kancheepuram | 1952 | | |
| 37 | Kancheepuram | - | 278,775 | 10 % | 1952 | | ||
| 38 | Arakkonam | SC | 200,773 | 9 % | Ranipet | Arakkonam | 1952 | |
| 39 | Sholingur | - | 257,522 | 7 % | 1952 | | ||
| 40 | Katpadi | - | 228,736 | 9 % | Vellore | 1962 | | |
| 41 | Ranipet | - | 248,244 | 7 % | Ranipet | 1952 | | |
| 42 | Arcot | - | 245,319 | 7 % | 1952 | | ||
| 43 | Vellore | - | 214,504 | 16 % | Vellore | Vellore | 1952 | |
| 44 | Anaikattu | - | 238,715 | 7 % | 1977 | | ||
| 45 | Kilvaithinankuppam | SC | 215,304 | 6 % | 2011 | | ||
| 46 | Gudiyatham | SC | 251,588 | 14 % | 1952 | | ||
| 47 | Vaniyambadi | - | 242,540 | 3 % | Tirupattur | 1952 | | |
| 48 | Ambur | - | 214,469 | 10 % | 1957 | | ||
| 49 | Jolarpet | - | 236,127 | 2 % | Tiruvannamalai | 2011 | |
References
- "Tamil Nadu Legislative Assembly: History"https://web.archive.org/web/20160815142745/http://www.assembly.tn.gov.in/history/statelegislature.htm
- "Constituency Delimitation, Tamil Nadu"https://web.archive.org/web/20120402143102/http://elections.tn.gov.in/forms/int3.pdf
- "Notification"https://web.archive.org/web/20110721173917/http://eci.nic.in/delim/Final_Publications/Tamilnadu/Final%20Notification%20&%20Order%20.pdf
- wwwhttps://www.elections.tn.gov.in/ACwise_Gendercount_07042026.aspx