Kerala population and Census

Census 2001 put Kerala's population at 31,841,374 persons which included 15,468,614 males and 16,372,760 females. Although Kerala accounts for only 1 per cent of the total area of India, it contains about 3 per cent of the country's population. The population density of the state is about 819 people per square kilometres, three times the national average. Kerala is one of the densest States in the country and it recorded a decadal population growth of + 9.42% (2,740,101 persons). Kerala, with a sex-ratio (females per 1000 males) of 1058, is the only state in India with a positive figure. In the human development and related indices it occupies prime position among the Indian States.

Kerala Districtwise Population
District	Population	Males	Females
Thiruvananthapuram	3234356	1569917	1664439
Kollam	2585208	1249621	1335587
Alappuzha	2109160	1014529	1094631
Pathanamthitta	1234016	589398	644618
Kottayam	1953646	964926	988720
Idukki	1129221	566682	562539
Ernakulam	3105798	1538397	1567401
Thrissur	2974232	1422052	1552180
Palakkad	2617482	1266985	1350497
Kozhikode	2879131	1399358	1479773
Wayanad	780619	391273	389346
Malappuram	3625471	1754576	1870895
Kannur	2408956	1152817	1256139
Kasargod	1204078	588083	615995
Total	31,841,374	15,468,614	16,372,760

Malappuram is the most populated district and has a population of 3629640 persons. Second comes Thiruvananthapuram with a population of 3234356 persons followed by Ernakulam with 3105798 persons. Wayanad is the least populated district followed by Idukki and Kasargod.
Whereas, Alappuzha with a population density of 1496 persons per sq.km is the most densely populated district in Kerala followed by Thiruvananthapuram with 1476 persons per sq.km and Kozhikode with 1228 persons per sq.km. Idukki with a density of just 252 persons per sq.km is the least densely populated district followed by Wayanad with a density of 369 persons. The average density of population of the state is 819 persons per sq.km.
Hindus, who constitute 56.20 per cent of the total population, is the most prominent religious community in the state. This is followed byMuslims who form 24.7 per cent of the population and Christians who constitute 19 percent of the total population. Also, a small number of Sikhs, Buddhists, Jains, Jews and other religious communities are also present
» See: Kerala Religions
Kerala's urban population figures to 8266925 persons which is about one-fourth of the total population. Of the totalpopulation of Kerala, working population (main and marginal workers) constitute 32.3% and non-workers form 67.7%.