Ranking of Districts by Population Density in Tamilnadu.

Rank in 2011	District	Population Density                                (persons per sq. km.)		Rank in 2001
		2011	2001
1	Chennai (M Corp.)	26903	24963	1
2	Kanniyakumari	1106	995	2
3	Thiruvallur	1049	776	3
4	Kancheepuram	927	668	5
5	Madurai	823	698	4
6	Coimbatore	748	631	9
7	Cuddalore	702	617	7
8	Thanjavur	691	638	6
9	Nagapattinam	668	616	8
10	Salem	663	575	10
11	Vellore	646	572	11
12	Tiruchirappalli	602	536	12
13	Thiruvarur	533	492	13
14	Namakkal	506	439	14
15	Viluppuram	482	412	15
16	Tiruppur	476	367	19
17	Tirunelveli	458	403	17
18	Virudhunagar	454	409	16
19	Theni	433	381	18
20	Tiruvannamalai	399	353	21
21	Erode	397	354	22
22	Ariyalur	387	358	20
23	Thoothukkudi	378	347	23
24	Karur	371	323	24
25	Krishnagiri	370	307	27
26	Dindigul	357	317	25
27	Pudukkottai	348	314	26
28	Dharmapuri	332	286	29
29	Sivaganga	324	279	32
30	Perambalur	323	282	31
31	Ramanathapuram	320	284	30
32	The Nilgiris	288	299	28