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