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Largest and Smallest District in Tamil Nadu
Tamil Nadu is a state in Southern India. It’s the most populous state in Southern India. As of 2023, there are a total of 38 districts in Tamil Nadu.
Dindigul district is the largest district by area and Chennai District is the smallest district by area. Chennai District is the most populated district and Perambalur District is the least populated district in Tamil Nadu.
read about the Population of Tamil Nadu
Let’s have a look at the demographic details of Tamil Nadu districts
| # | Tamil Nadu Districts | Population (census 2011) | Area (sq. km) |
| 1 | Ariyalur | 754,894 | 1949.31 |
| 2 | Chengalpattu | 2,556,244 | 2,944.96 |
| 3 | Chennai | 7,139,630 | 426 |
| 4 | Coimbatore | 3,458,045 | 4,723 |
| 5 | Cuddalore | 2,605,914 | 3,703 |
| 6 | Dharmapuri | 1,506,843 | 4,497.77 |
| 7 | Dindigul | 2,159,775 | 6,266.64 |
| 8 | Erode | 2,251,744 | 5,722 |
| 9 | Kallakurichi | 1,370,281 | 3,520.37 |
| 10 | Kanchipuram | 1,166,401 | 1,655.94 |
| 11 | Kanniyakumari | 1,870,374 | 1,672 |
| 12 | Karur | 1,064,493 | 2,895.57 |
| 13 | Krishnagiri | 1,879,809 | 5,143 |
| 14 | Madurai | 3,038,252 | 3,741.73 |
| 15 | Mayiladuthurai | 918,356 | 1,172 |
| 16 | Nagapattinam | 697,069 | 1,397 |
| 17 | Namakkal | 1,726,601 | 3,368.21 |
| 18 | Nilgiris | 735,394 | 2,545 |
| 19 | Perambalur | 565,223 | 1,757 |
| 20 | Pudukkottai | 1,618,345 | 4,663 |
| 21 | Ramanathapuram | 1,353,445 | 4,068.31 |
| 22 | Ranipet | 1,210,277 | 2,234.32 |
| 23 | Salem | 3,482,056 | 5,245 |
| 24 | Sivagangai | 1,339,101 | 4,189 |
| 25 | Tenkasi | 1,407,627 | 2916.13 |
| 26 | Thanjavur | 2,405,890 | 3,396.57 |
| 27 | Theni | 1,245,899 | 3,242.30 |
| 28 | Thoothukudi | 1,750,176 | 4,707 |
| 29 | Tiruchirappalli | 2,722,290 | 4,403.83 |
| 30 | Tirunelveli | 1,665,253 | 3842.37 |
| 31 | Tirupathur | 1,111,812 | 1,797.92 |
| 32 | Tiruppur | 2,479,052 | 5,186.34 |
| 33 | Tiruvallur | 3,728,104 | 3,422.43 |
| 34 | Tiruvannamalai | 2,464,875 | 6,188 |
| 35 | Tiruvarur | 1,264,277 | 2,161 |
| 36 | Vellore | 1,614,242 | 2030.11 |
| 37 | Viluppuram | 2,093,003 | 3725.54 |
| 38 | Virudhunagar | 1,942,288 | 4,241.00 |
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Largest and Smallest District in Tamil Nadu by Area
Dindigul district covering an area of 6266.64 km² is the largest district of Tamil Nadu. Chennai District is the smallest district of Tamil Nadu with a total area 0f 426 km²
| # By Area | District | Area |
| Largest | Dindigul | 6266.64 km² |
| Smallest | Chennai | 426 km2 |
Source: Census 2011
Largest and Smallest District in Tamil Nadu by Population
Chennai District is the most populated district in Tamil Nadu. Its Population as per census 2011 is 71 Lakhs. Perambalur District with a population of 5.65 Lakhs is the least populated district in Tamil Nadu.
| # by Population | District | Population (Census 2011) |
| Most Populated | Chennai | 7,100,000 |
| Least | Perambalur | 565,223 |
Highest and Lowest Population Density
Chennai District ( 17000 people per km) has the highest Population density in Tamil Nadu. Nilgiris District with a population density of 288 people per km is the lowest-density district in Tamil Nadu.
| # by Density | District | Density (person/km) |
| Highest | Chennai | 17000 |
| Least | Nilgiris | 288 |
Source: Census 2011
Tamil Nadu District by Literacy rate
| # | District | Literacy Rate |
| 1 | Chennai | 90.18% |
| 2 | Kancheepuram | 84.49% |
| 3 | Vellore | 79.17% |
| 4 | Thiruvallur | 84.03% |
| 5 | Salem | 72.86% |
| 6 | Viluppuram | 71.88% |
| 7 | Coimbatore | 83.98% |
| 8 | Tirunelveli | 82.50% |
| 9 | Madurai | 83.45% |
| 10 | Tiruchirappalli | 83.23% |
| 11 | Cuddalore | 78.04% |
| 12 | Tiruppur | 78.68% |
| 13 | Tiruvannamalai | 74.21% |
| 14 | Thanjavur | 82.64% |
| 15 | Erode | 72.58% |
| 16 | Dindigul | 76.26% |
| 17 | Virudhunagar | 80.15% |
| 18 | Krishnagiri | 71.46% |
| 19 | Kanniyakumari | 91.75% |
| 20 | Thoothukkudi | 86.16% |
| 21 | Namakkal | 74.63% |
| 22 | Pudukkottai | 77.19% |
| 23 | Nagapattinam | 83.59% |
| 24 | Dharmapuri | 68.54% |
| 25 | Ramanathapuram | 80.72% |
| 26 | Sivaganga | 79.85% |
| 27 | Thiruvarur | 82.86% |
| 28 | Theni | 77.26% |
| 29 | Karur | 75.60% |
| 30 | Ariyalur | 71.34% |
| 31 | The Nilgiris | 85.20% |
| 32 | Perambalur | 74.32% |
Source: Census 2011
Tamil Nadu District by Sex Ratio
Ranipet district (1042) has the highest Male-Female Sex ratio in Tamil Nadu. Dharmapuri District (946) has the lowest male-female sex ratio in Tamil Nadu.
| # | District | Sex Ratio |
| 1 | Chennai | 989 |
| 2 | Kancheepuram | 986 |
| 3 | Vellore | 1007 |
| 4 | Thiruvallur | 987 |
| 5 | Salem | 954 |
| 6 | Viluppuram | 987 |
| 7 | Coimbatore | 1000 |
| 8 | Tirunelveli | 1023 |
| 9 | Madurai | 990 |
| 10 | Tiruchirappalli | 1013 |
| 11 | Cuddalore | 987 |
| 12 | Tiruppur | 989 |
| 13 | Tiruvannamalai | 994 |
| 14 | Thanjavur | 1035 |
| 15 | Erode | 993 |
| 16 | Dindigul | 998 |
| 17 | Virudhunagar | 1007 |
| 18 | Krishnagiri | 958 |
| 19 | Kanniyakumari | 1019 |
| 20 | Thoothukkudi | 1023 |
| 21 | Namakkal | 986 |
| 22 | Pudukkottai | 1015 |
| 23 | Nagapattinam | 1025 |
| 24 | Dharmapuri | 946 |
| 25 | Ramanathapuram | 983 |
| 26 | Sivaganga | 1003 |
| 27 | Thiruvarur | 1017 |
| 28 | Theni | 991 |
| 29 | Karur | 1015 |
| 30 | Ariyalur | 1015 |
| 31 | The Nilgiris | 1042 |
| 32 | Perambalur | 1003 |
Source: Census 2011
Tamil Nadu District Map
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