Chennai is the capital and largest city of Tamil Nadu, with a population of 8.69 million people, and is the fourth-largest metropolis in India. Chennai is a major center for culture, economy, and education, and its long coast provides a lot of scope for sea transport.
Coimbatore, with a population of nearly 2.15 million (21.5 Lakhs) people, is the second biggest city in Tamil Nadu. Coimbatore, also known as the “Manchester of South India,” is one of the greatest hubs of textiles, industries, and education.
The third-largest city is Madurai, home to approximately 1.46 million (14.65 lakhs) residents, which has been very famous for its historical and cultural significance, especially with the Meenakshi Amman Temple.
Apart from these metropolitan cities, other important cities in Tamil Nadu include Tiruchirappalli (Trichy), renowned for its educational institutions and industrial establishments, and Salem, known for its steel and textile manufacturing.

List of Cities in Tamil Nadu by Population, Area, Density, District
| Rank | City Name | Population | Area (km²) | Density (inhabitants/km²) | District |
|---|---|---|---|---|---|
| 1 | Chennai | 8,653,521 | 788 | 10,972 | Chennai |
| 2 | Coimbatore | 2,136,916 | 642 | 3,327 | Coimbatore |
| 3 | Madurai | 1,465,625 | 143 | 10,218 | Madurai |
| 4 | Tiruchirappalli (Tiruchchirappalli) | 1,022,518 | 198 | 5,149 | Tiruchirappalli |
| 5 | Tiruppur (Tirupper) | 963,173 | 197 | 4,870 | Tiruppur |
| 6 | Salem | 917,414 | 115 | 7,959 | Salem |
| 7 | Erode | 521,891 | 130 | 4,000 | Erode |
| 8 | Tirunelveli | 497,826 | 135 | 3,680 | Tirunelveli |
| 9 | Vellore | 484,690 | 140 | 3,446 | Vellore |
| 10 | Thoothukkudi (Tuticorin) | 411,628 | 63 | 6,466 | Thoothukudi |
| 11 | Dindigul | 292,512 | Dindigul | ||
| 12 | Thanjavur | 291,067 | 74 | 3,916 | Thanjavur |
| 13 | Ranippettai (Ranipet) | 264,330 | 49 | 5,297 | Vellore |
| 14 | Sivakasi | 234,704 | 48 | 4,875 | Virudhunagar |
| 15 | Karur | 234,191 | Karur | ||
| 16 | Udhagamandalam (Ooty) | 233,426 | 253 | 922 | The Nilgiris |
| 17 | Hosur | 229,528 | 28 | 7,969 | Krishnagiri |
| 18 | Nagercoil | 224,849 | 24 | 9,264 | Kanyakumari |
| 19 | Kanchipuram [Kancheepuram] | 221,715 | 27 | 8,100 | Kanchipuram |
| 20 | Kumarapalayam | 195,071 | Namakkal | ||
| 21 | Karaikudi | 181,851 | 42 | 4,239 | Sivaganga |
| 22 | Neyveli | 179,150 | 145 | 1,234 | Cuddalore |
| 23 | Cuddalore | 173,636 | 27 | 6,270 | Cuddalore |
| 24 | Kumbakonam | 167,155 | 17 | 9,497 | Thanjavur |
| 25 | Tiruvannamalai | 145,278 | 13 | 10,650 | Tiruvannamalai |
Literacy rate and GDP of Cities in Tamil Nadu
Here’s a table listing major cities in Tamil Nadu by literacy rate (from highest to lowest), along with their estimated GDP (Gross Domestic Product). Additionally, the data is based on available reports and estimates; specifically, literacy rates are primarily from the 2011 Census, while GDP figures are approximate for recent years.
| Rank | City | Literacy Rate (%) | GDP (in USD Billion) |
|---|---|---|---|
| 1 | Chennai | 90.33 | 78 (2023 est.) |
| 2 | Coimbatore | 91.30 | 25 (2023 est.) |
| 3 | Madurai | 84.50 | 12 (2023 est.) |
| 4 | Tiruchirappalli | 86.64 | 10 (2023 est.) |
| 5 | Salem | 82.96 | 8 (2023 est.) |
| 6 | Tirunelveli | 86.16 | 6 (2023 est.) |
| 7 | Vellore | 85.35 | 5 (2023 est.) |
| 8 | Erode | 83.92 | 4.5 (2023 est.) |
| 9 | Thoothukudi | 86.16 | 4 (2023 est.) |
| 10 | Thanjavur | 82.72 | 3.5 (2023 est.) |
| 11 | Dindigul | 81.21 | 3 (2023 est.) |
| 12 | Hosur | 80.50 | 2.8 (2023 est.) |
| 13 | Nagercoil | 91.90 | 2.5 (2023 est.) |
| 14 | Karur | 83.10 | 2.3 (2023 est.) |
| 15 | Cuddalore | 79.04 | 2 (2023 est.) |
Note: GDP figures are approximate and based on recent economic activity estimates.
FAQs
Chennai is known for Marina Beach, Kapaleeshwarar Temple, Fort St. George, and its thriving IT industry. It is also the cultural hub of Tamil Nadu.
Marudhamalai Temple, Isha Yoga Center, Siruvani Waterfalls
Madurai is known for its historic Meenakshi Amman Temple and several other ancient temples.
Nagercoil has one of the highest literacy rates but a smaller economy due to its geographical location.
Chennai has the highest GDP due to its status as Tamil Nadu’s economic hub (IT, manufacturing, services).
Lesser-known facts about the Major Cities of Tamil Nadu
Chennai (Madras)
- First Modern City: Founded in 1639 as Fort St. George by the British, making it India’s first major colonial city.
- Medical Marvel: Home to Asia’s largest liver transplant hospital (Global Hospitals) and India’s first successful heart transplant (1975, at MGM Healthcare).
- Beach Oddity: Marina Beach is the world’s second-longest urban beach (13 km) but has dangerously strong undercurrents—swimming is banned!
Coimbatore
- “Manchester of South India”: Produces over 30% of India’s cotton knitwear exports.
- Space Connection: ISRO’s Liquid Propulsion Systems Centre is here, fueling rockets like GSLV.
- Singanallur Lake: A pit stop for Siberian migratory birds (Nov–Feb), including rare flamingos.
Madurai
- 2,500+ Years Old: One of the oldest continuously inhabited cities in the world.
- Temple Science: The Meenakshi Temple’s 33,000 sculptures include acoustic wonders—clapping near the pillars echoes like musical notes.
- Chithirai Festival: Reenacts the celestial wedding of Meenakshi (Parvati) and Sundareswarar (Shiva), drawing 1 million+ devotees.
Tiruchirappalli (Trichy)
- Rock Fort Temple: Built on a 330-million-year-old rocky outcrop—older than the Himalayas!
- Aircraft Hub: HAL Trichy manufactures parts for Sukhoi jets and Dornier aircraft.
- Grand Anicut: The Kallanai Dam (2nd century CE) is the world’s oldest functional dam, still irrigating farms today.
Salem
- Mango Capital: The “Malgoa” mango from here was gifted to Queen Victoria.
- Magnetic Hill: A gravity-defying spot near Yercaud where cars appear to roll uphill!
- Steel City: Home to SAIL’s Salem Steel Plant, India’s first stainless steel producer.
Thanjavur (Tanjore)
- UNESCO Glory: The Brihadeeswarar Temple (1010 CE) has a 80-ton granite capstone hauled up a 66m tower via a 6km ramp.
- Art Legacy: Tanjore paintings use real gold foil and gemstones—a 400 year-old Chola tradition.
- Rice Bowl: The Cauvery Delta here produces Tamil Nadu’s finest Ponni rice.
Tirunelveli
- Halwa Epicenter: Iruttu Kadai Halwa (70+ years old) uses just wheat, ghee, and sugar—cooked in darkness for 8 hours!
- Courtallam: The “Spa of South India”—its 9 waterfalls have mineral-rich waters believed to heal ailments.
- Space Link: The Indian Astronomical Observatory in nearby Kodaikanal tracks solar storms.
Vellore
- Medical Pioneer: CMC Vellore performed India’s first successful open-heart surgery (1961).
- Fort Secrets: The Vellore Fort’s 16th-century Jalakandeswarar Temple was a hidden gem—used as an arsenal by the British!
- Leather Empire: Supplies 40% of India’s finished leather exports (e.g., to Gucci, Prada).
Kanyakumari
- Tri-Sangam: The only place in India where the Arabian Sea, Bay of Bengal, and Indian Ocean merge.
- Gandhi Memorial: Designed so the sun’s rays fall on Gandhi’s ashes every Oct 2nd (his birthday).
- Underwater Wonder: The “Adam’s Bridge” (Ram Setu) starts here—visible from space!
Ooty (Udhagamandalam)
- British Legacy: To begin with, the Nilgiri Mountain Railway (UNESCO-listed) still uses coal-powered steam engines even today.
- Rare Flora: Moreover, this region is home to the Kurunji flower, which is notable for blooming only once every 12 years (next: 2030).
- Tea Tales: Finally, the Todas people here not only preserve a 2,000-year-old culture but also maintain deep ties to sacred buffaloes.
Did You Know?
- Hosur (Krishnagiri district) is called “Little England” for its climate and industries like Tesla’s parts suppliers.
- Dindigul is famous for “Dindigul Locks” handmade for 150+ years and even used in Rashtrapati Bhavan!





