# Avadi, Thiruvallur (Tamil Nadu) – City Population & History

> Source: https://wherepedia.org/india/tamil-nadu/thiruvallur/poonamallee/avadi/

City · Thiruvallur, Tamil Nadu 

# Avadi

Avadi is a city in Poonamallee sub-district of Thiruvallur district, Tamil Nadu (municipality). The 2011 Census counted **345,996 people** in 87,733 households. Literacy was 91.3%.

- 345,996people (2011)
- 87,733households
- 91.3%literacy
- 48census wards

## Population of Avadi

■ Avadi · ■ Thiruvallur urban average

Literacy (age 7+) ****91.3%**

**89.3%

Sex ratio (F per 1,000 M) ****970**

**981

Child sex ratio (0–6) ****959**

**946

Working population ****36.7%**

**38.3%

Source: [Census of India 2011, Primary Census Abstract (town, village and ward level), all districts](https://censusindia.gov.in/nada/index.php/catalog).

## Homes and amenities in Avadi

Of every 100 households in Avadi in 2011, 99 had electricity, 91 a toilet at home and 83 cooked with LPG; 85 had a mobile phone, 49 a two-wheeler and 6 a car.

■ Avadi · ■ Thiruvallur urban average

Electricity for lighting ****99%**

**98%

Toilet within the home ****91%**

**89%

No toilet (open defecation) ****7%**

**9%

Tap water ****26%**

**54%

Drinking water within premises ****33%**

**44%

Cooking with LPG / PNG ****83%**

**79%

Cooking with firewood / dung / crop residue ****6%**

**7%

Use banking services ****73%**

**65%

Television ****91%**

**92%

Mobile phone ****85%**

**83%

Computer with internet ****10%**

**11%

Two-wheeler ****49%**

**45%

Car / jeep / van ****6%**

**8%

None of these assets ****2%**

**2%

Own their home ****61%**

**56%

Source: [Census of India 2011, Houselisting and Housing Census – households by amenities and assets (HH-14)](https://censusindia.gov.in/nada/index.php/catalog).

## What people in Avadi work as

********

**■** Services, trade & industry 111,013 (87%) · **■** Household industry 1,444 (1%) · **■** Farming 1,882 (1%) · **■** Marginal 12,813 (10%)

Source: [Census of India 2011, Primary Census Abstract (town, village and ward level), all districts](https://censusindia.gov.in/nada/index.php/catalog).

## How has the population of Avadi changed?

From 13,050 in 1961 to 345,996 in 2011.

**1961

**1971

**1981

**1991

**2001

**2011

Source: [Census of India 2011, District Census Handbook – town directory](https://censusindia.gov.in/nada/index.php/catalog).

## Avadi in numbers and road distances

- Density5,323 per km²
- Growth 2001–201150.8%
- Annual rainfall1,062 mm
- Temperature range21 °C to 38 °C

### Road distances

- Chennai (state capital)40 km by road
- Thiruvallur (district HQ)50 km by road
- Chennai (city of 5 lakh+)40 km by road

Source: [Census of India 2011, District Census Handbook – town directory](https://censusindia.gov.in/nada/index.php/catalog).

## Services and economy in Avadi

### Civic services

- Pucca roads47 km
- DrainageOpen and closed drains
- Flush toilets87,733
- Water storage1,755 kl
- Fire serviceIn town
- Electricity — homes87,700
- Electricity — industry54

### Hospitals

- ●Allopathic hospitals1 · 362 beds · 35 doctors
- ●Alternative-medicine hospitals1 · 1 doctors
- ●Dispensaries1 · 10 beds · 2 doctors
- ●Veterinary hospitals1 · 1 doctors

### Schools and colleges

- ●Primary schools11 govt
- ●Engineering colleges4 private
- ●Polytechnics1 private

### Banks

- Nationalised banks10
- Private banks4
- Co-operative banks2

**Main manufactured goods:** military weapons, train coach and tube.

Source: [Census of India 2011, District Census Handbook – town directory](https://censusindia.gov.in/nada/index.php/catalog).

## Hospitals, banks, ATMs and more in Avadi

- Hospitals27 in Avadi
- Banks114 in Avadi
- ATMs54 in Avadi
- Petrol pumps11 in Avadi
- Hotels10 in Avadi
- Shopping malls2 in Avadi
- Schools32 in Avadi
- Colleges and universities19 in Avadi
- Cinemas3 in Avadi
- Pharmacies30 in Avadi
- Restaurants51 in Avadi
- Police stations4 in Avadi
- Dental clinics18 in Avadi

Source: [Overture Maps Foundation places, release 2026-10-21.0 (CDLA-Permissive-2.0, Apache-2.0 or CC0 by source)](https://docs.overturemaps.org/attribution/).

## Avadi ward list (2011)

- Ward 1821,214 people
- Ward 2020,501 people
- Ward 817,092 people
- Ward 714,876 people
- Ward 1714,227 people
- Ward 3612,878 people

[Full ward list (48 wards) →](https://wherepedia.org/india/tamil-nadu/thiruvallur/poonamallee/avadi/wards/)

## Know before you go: Avadi

- Time zoneUTC+5:30, no daylight saving · Asia/Kolkata
- CurrencyRupee (INR)
- Country calling code+91
- LanguagesEnglish, Hindi, Bengali, Telugu, Marathi, Tamil
- Plug typesType C, D · 230 V
- Driving sideLeft
- Postcode format6 digits (######)

### Nearest airports

- Chennai International Airport (MAA) · Chennai15 km
- Tirupati International Airport (TIR) · Tirupati84 km

### Daylight

Days are longest in Jun (about 12.9 hours, sunrise around 05:42) and shortest in Dec (about 11.4 hours, sunrise around 06:23, sunset around 17:45).

Source: [GeoNames country and time-zone files (CC BY 4.0)](https://www.geonames.org/); [Wikidata (CC0) — plug types, mains voltage, driving side; retrieved 2026-11-02](https://www.wikidata.org/); [OurAirports (public domain)](https://ourairports.com/data/).

Airports with scheduled passenger flights; straight-line distances. Daylight is calculated for the 15th of each month in local standard time. Check entry and visa rules with official government sources before travelling.

## Quick answers

- What is the population of Avadi?345,996 (Census 2011)
- Which district is Avadi in?Thiruvallur district, Tamil Nadu
- What was the population of Avadi in 1961?13,050
- How many wards does Avadi have?48 census wards (2011)
- What plug type is used in Avadi?Type C, D, 230 V
- What is the nearest airport to Avadi?Chennai International Airport (MAA), about 15 km in a straight line