Chennai Population

Estimated population in 2025

Estimated population of Chennai in 2025	5,390,674
Estimated population of males in 2025	2,709,813
Estimated population of males in 2025	2,680,861

Population as per 2011 census

Population	4,646,732
Male Population	2,335,844
Female Population	2,310,888
Area (km2)	175
Density/km2	26,553
Sex Ratio (Per 1000)	989
Child Sex Ratio (0-6 Age)	950
Literates	3,776,276
Male Literates	1,968,079
Female Literates	1,808,197
Average Literacy	90.18%
Male Literacy	93.70%
Female Literacy	86.64%
Child Population (0-6 Age)	459,324
Boys Population (0-6 Age)	235,519
Girls Population (0-6 Age)	223,805
Child Proportion (0-6 Age)	9.88%
Boys Proportion (0-6 Age)	10.08%
Girls Proportion (0-6 Age)	9.68%

Chennai Religion-wise Data

Description	Population in 2011	Percentage	Estimated Population in 2025
Hindu	3,751,322	80.73%	4,351,909
Muslims	439,270	9.45%	509,597
Christian	358,662	7.72%	416,084
Sikh	2,851	0.06%	3,307
Buddhist	2,804	0.06%	3,253
Jain	51,708	1.11%	59,986
Not Stated	38,356	0.83%	44,497
Others	1,759	0.04%	2,041
Total	4,646,732	100.00%	5,390,674

City/Metros in Chennai District

City Name	Population in 2011	Estimated Population in 2025
Alandur (Municipality)	164,430	190,755
Ambattur (Municipality)	466,205	540,844
Avadi (Municipality)	345,996	401,390
Chennai (Municipal Corporation)	4,646,732	5,390,674
Madavaram (Municipality)	119,105	138,174
Tambaram (Municipality)	174,787	202,770
Tiruvottiyur (Municipality)	249,446	289,382