Idukki District Population 2011–2025: Religion | Literacy | Density | Sex Ratio

Idukki District Kerala Census 2025/2011 – Population, Growth, Religion, Sex Ratio, Literacy, SC/ST, Rural/Urban, Language, Tehsil/Taluk Data

Idukki formed part of Kerala’s trio of the largest districts distinguished by their area and population. It was ranked as the largest district of Kerala (4, 356 km²) with the 2011 population of 11.09 lakh, that was estimated to slightly slip down to 10.9 lakh in 2021. It’s going to be 12.22 lakh by 2036. Idukki has the lowest density in Kerala, 255/km², and hence majority of its inhabitants are rural (95.31%). The main language of the district is Malayalam, along with Tamil and tribal dialects as well.

Quick Overview of Idukki District Census 2021 & Projections

• District: Idukki, Kerala
• Area: 4,356 km² (Largest in Kerala)
• Coordinates: 9°51′N 76°56′E
• Population (2011 Census): 1,108,974 (11.09 lakh)
• Population (2021 projected): 1,090,000 (10.9 lakh)
• Population (2025 projected): 1,080,000–1,195,066 (10.88–11.95 lakh)
• Population (2036 projected): 1,222,540 (12.22 lakh)
• Population Density (2011): 255/km² (lowest in Kerala)
• Urban population (2011): 52,045 (4.69%)
• Rural population (2011): 1,056,929 (95.31%)
• Main languages: Malayalam (majority), Tamil, tribal dialects

Historic Population & Growth (1901–2036)

Year	Population	Variation	% Change	Male	Female
1901	47,666	—	—	25,930	21,736
1911	99,564	51,898	108.9%	54,052	45,512
1961	574,844	243,422	73.4%	300,000	275,000
2001	1,129,221	74,198	7.0%	566,682	562,539
2011	1,108,974	-20,247	-1.79%	552,808	556,166
2025	1,195,066	+7.76%	597,000	599,000
2036	1,222,540	+10.24%	610,000	612,000

Religion & Caste-wise Population (2011 Census)

Religion	Population	%
Hindu	541,854	48.86%
Christian	481,507	43.42%
Muslim	82,206	7.41%
Other/not stated	3,393	0.31%
Buddhist	189	0.02%
Sikh	100	0.01%
Jain	44	0%

Group	Total	%	Male	Female	Sex Ratio
SC	145,486	13.12%	72,399	73,087	1,010
ST	55,815	5.03%	27,995	27,820	994

Sex Ratio, Child Population & Literacy

• Sex Ratio (2011): 1006 females/1000 males
• Child sex ratio (0–6 years, 2011): 964 girls/1000 boys
• Urban Sex Ratio: 1036 | Rural Sex Ratio: 1005
• Sex Ratio by Religion (2011): Hindu 1012, Christian 999, Muslim 1014
• Child population (0–6 years, 2011): 105,641 (9.53%)
• Urban child population (2011): 5,182 | Rural: 100,459

Literacy Rate (2011 & Urban/Rural)

Category	Average Literacy Rate	Male Literacy Rate	Female Literacy Rate
Total Population	91.99%	94.56%	89.45%
Urban Area	95.60%	96.95%	94.29%
Rural Area	91.82%	94.45%	89.21%

Religion	Average Literacy Rate	Male Literacy	Female Literacy
Hindu	88.46%	92.1%	84.89%
Christian	95.91%	97.18%	94.64%
Muslim	92.46%	95.55%	89.45%

Urban/Rural, Density, Households & Workforce

Category	Population (%)	Total Population	Male	Female	Sex Ratio	Child Sex Ratio	Child Population	Literacy Rate
Urban	4.69%	52,045	25,563	26,482	1036	974	5,182	95.6%
Rural	95.31%	1,056,929	527,245	529,684	1005	964	100,459	91.82%

• Total households (2011): 279,812
• Houseless (footpath/roofless): 196 families/339 persons (~0.031% of district)
• Workforce (2011): 516,363 (46.56%), Male: 331,710 | Female: 184,653

Taluks, Revenue Divisions, Towns & Village List

• 2 revenue divisions: Idukki, Devikulam
• 5 taluks: Thodupuzha, Idukki, Devikulam, Udumbanchola, Peerumade
• Major towns: Thodupuzha, Painavu, Cheruthoni, Kattappana, Munnar, Nedumkandam, Kumily, Adimali, Marayur, Kanthalloor, Vattavada
• Villages: 64 (census source) | Revenue villages: 68 (wikidata)
• Municipal towns: Thodupuzha, Kattappana

Taluk	Main Revenue Villages
Thodupuzha	Alacode, Arakkulam, Elappally, Karikode, Karimannoor, Karimkunnam, Kodikulam, Kudayathoor, Kumaramangalam, Manakkad, Muttom, Neyyassery, Purapuzha, Thodupuzha, Udumbannoor, Vandamattom, Vannappuram, Velliyamattom
Idukki	Ayyappancoil, Idukki, Kanchiyar, Kanjikuzhi, Karimannoor, Kattappana, Konnathady, Thankamany, Upputhode, Vathikudy
Devikulam	Anaviratty, Bisonvalley, Edamalakkudy, Kannan Devan Hills, Kanthalloor, Keezhanthoor, Kottakamboor, Kunchithanny, Mankulam, Mannamkandam, Marayur, Munnar, Pallivasal, Vattavada, Vellathooval
Udumbanchola	Anakkara, Anavilasam, Chakkupallam, Chathurangapara, Chinnakanal, Erattayar, Kalkoonthal, Kanthippara, Karunapuram, Pampadumpara, Parathode, Poopara, Rajakkad, Rajakumary, Santhanpara, Udumbanchola, Vandanmedu
Peerumade	Elappara, Kokkayar, Kumily, Manjumala, Meloram, Mlappara, Peerumade, Periyar, Peruvanthanam, Upputhara, Vagamon

Languages Spoken

• Malayalam (majority)
• Tamil (large minority, esp. plantation belt)
• Tribal dialects: Malavedan, Malaryan, Muthuvan, Paliyan, Ulladan
• English (official)

Major Geography, Rivers, Climate, Dams

• High Western Ghats plateau, deep river valleys, high peaks: Anamudi (highest in peninsular India), Meesapulimala
• Forested area: ~50% of total (evergreen, deciduous, shola)
• Main rivers: Periyar (origin), Pamba, Cheruthoni, Thodupuzhayar, Muthirappuzhayar, Thalayar, lake: Vembu
• Main dams: Idukki Dam (arch, largest in Kerala), Cheruthoni, Mullaperiyar, Ponmudy, Kundala, Mattuppetty, Aanayirangal, Erattayar, Kallarkutty, Kulamavu, Periyar, Malankara, Uluppuni
• No railways (nearest: Kottayam, Aluva, Ernakulam)

Economy, Workforce, Urbanisation, Houseless

• Cash crops/spices: cardamom, pepper, tea, coffee
• Electricity: 66% of Kerala from Idukki hydro plants
• Workforce: 46.56% are workers (2011), mostly agriculture/plantation
• Houseless: ~339 people (<0 .04="" li="" of="" total="">

Education, Unique Features

• Idukki first BSNL 4G district in India, first broadband for Digital India plan
• Major colleges: Idukki Engineering College, various arts/science/Polytech courses

Tourism, Wildlife, & Places of Interest

• Munnar, Thodupuzha, mountain/hill stations, Eco-tourism: Thommankuthu waterfalls, Periyar Tiger Reserve, Eravikulam, Pampadum Shola, Kurinjimala, Chinnar, Anamudi Shola, Idukki Wildlife Sanctuary
• Dams/lakes: Idukki, Cheruthoni, Kundala, Mattupetty, Malankara, Nehru Trophy Boat Race (on Periyar in Munnar)
• Wildlife: Nilgiri tahr, elephant, tiger, grizzled giant squirrel
• Tribal sanctuaries: 33 major settlements

FAQs

• Q: What is Idukki’s projected population in 2025?
  A: 1,080,000–1,195,066 (10.88–11.95 lakh)
• Q: Main religions and percentages?
  A: Hindu 48.9%, Christian 43.4%, Muslim 7.4%, others <1 li="">
• Q: What is Idukki’s sex ratio?
  A: 1006 (2011); rural 1005, urban 1036
• Q: Literacy rate?
  A: 91.99% (total); Urban 95.6%; Rural 91.8%
• Q: SC/ST stats?
  A: SC: 13.1% (1,45,486); ST: 5.03% (55,815)
• Q: Urban/rural population?
  A: 4.69% urban, 95.31% rural
• Q: Number of villages/taluks?
  A: 64 census, 68 revenue villages; 5 taluks; 2 municipalities
• Q: Major towns and cities?
  A: Thodupuzha, Kattappana, Painavu, Cheruthoni, Munnar, Kumily, Nedumkandam
• Q: Workforce proportion?
  A: 46.6% are workers (mostly agriculture/plantations)
• Q: Houseless population, social stats?
  A: <0 .04="" 2011="" census="" in="" li="" of="" people="" total="">
• Q: Hill stations, wildlife, and tourist sites?
  A: Munnar, Idukki Dam, Eravikulam NP, Periyar Tiger Reserve, Thekkady, Thommankuthu