Chennai

District in Tamil Nadu

Population
46.5 Lakh
State: 6.9 Crore
Area
427 km²
0.3% of state
Literacy Rate
90.2%
State: 79.7%
Sex Ratio
989
State: 997
Density
10,879 /km²
State: 528 /km²
Population Rank
1st of 38
In Tamil Nadu

Credit Growth (5-Year) in Chennai: 80.2%, 8th lowest of 32 districts in Tamil Nadu

MSME Density in Chennai: 97.2 per 1,000 people, 2nd highest of 38 districts in Tamil Nadu

Women Literacy in Chennai: 94.8%, 2nd highest of 38 districts in Tamil Nadu

Health Insurance in Chennai: 58.2%, 4th lowest of 38 districts in Tamil Nadu

60%85%110%140%200%+No data
RBI Bank Credit (BSR-1) · 2026
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5204080150+No data
Udyam Registration (MSME) · 2026
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20%40%60%75%90%+No data
National Family Health Survey (NFHS-5) · 2019–21
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5%20%40%60%85%+No data
National Family Health Survey (NFHS-5) · 2019–21
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Chennai is a district in Tamil Nadu with a population of 46.5 Lakh spread across 427 sq km. Its literacy rate of 90.2% is above the state average of 79.7% and above the national average of 72.9%. The district has a sex ratio of 989 females per 1,000 males, below the state average of 997.


Demographics

IndicatorDistrictState AvgNational
Population Density10,879 /km²▲528 /km²379 /km²
Sex Ratio989▼997943
Literacy Rate90.2%▲79.7%72.9%
SC Population16.8%▼20.2%16.6%
ST Population0.2%▼1.1%8.7%
Worker Participation39.1%▼45.8%39.8%

Health & Development

IndicatorDistrictState AvgNational
Child Anaemia24th of 3855.3%▼58.2%65.2%
Women Anaemia29th of 3850.3%▼54.2%55.3%

Women & Gender

IndicatorDistrictState AvgNational

Economy & Infrastructure

IndicatorDistrictState AvgNational
MSME Density2nd highest of 3897.2 per 1k pop▲58.4 per 1k pop42.6 per 1k pop
Total MSMEsHighest of 384.5 Lakh▲1.1 Lakh61.7k

Governance

IndicatorDistrictState AvgNational
Pending Cases7th highest of 373136 per lakh▲2431 per lakh3585 per lakh

Safety & Crime

IndicatorDistrictState AvgNational
SC/ST Atrocities3rd highest of 2117.0 per lakh▲4.5 per lakh17.4 per lakh
Domestic Violence0.0 per lakh▼5.0 per lakh12.6 per lakh
Child Abuse (POCSO)2nd highest of 38310.0 per lakh▲131.6 per lakh89.0 per lakh
Cyber Crime4th highest of 34103.0 per lakh▲45.6 per lakh55.7 per lakh
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Frequently Asked Questions

What is the population of Chennai district?

Chennai has a population of 46.5 Lakh according to the Census 2011, with a density of 10,879 people per sq km across 427 sq km.

What is the literacy rate of Chennai?

Chennai has a literacy rate of 90.2%, which is above the Tamil Nadu average of 79.7% and above the national average of 72.9%.

How does Chennai compare to Tamil Nadu?

Chennai has a sex ratio of 989 (below state average of 997) and a literacy rate of 90.2% (above state average of 79.7%).

What data sources are used for Chennai?

Data comes from Census 2011, NFHS-5 (2019-21), NJDG (2024), Udyam/MSME (2026), NCRB SLL (2022), CVI (2021), Ag Census 2015-16, RBI BSR (2026), and other official sources.

Data Sources

Each indicator keeps its own source and vintage. How they are crosswalked onto one district geography is on the methodology page, with the per-source limits on the caveats page.