As per 2001 census, the Lower Subansiri District has recorded a population 0f 55,726 comprising 28,425 males and 27,301females of which 43342(21945males (+) 21397 females) are rural population spread over 226 villages and 12384(6480 males (+) 5,904 females) are Urban population. The proportion of rural population of the district constitutes 77.78 percent. While the urban population constitutes 22.22 percent.  The District population accounts for 5.08 percent of total population of the state. The average density of population per sq.km.is 16 for the district as compared to 13 persons for Arunachal Pradesh.

Lower Subansiri District is comprised of 3(three) CD Block with an area of approx. 3460 Sq. Km. Out of CD blocks, Ziro-II CD Block stands highest in rural population followed by Ziro-I and Tamen-Raga CD blocks.

As per 2001 Census, the literate persons and percentage to the total population of the district (excluding children in the age-group (0-6) has been recorded as 26969 (48.40%). The rural literates and percentage of the district constitutes 19066 and 43.99. Out of which 11225(51.15)are males and 7841(36.65) are females. Urban population constitutes 7903 literates,the percentage being 63.82 to total urban population. Out of which 4504 (69.51%) are males and 3399 (57.57%) are females.

The literacy rate of the district (Rural+Urban) has increased from 30.07 percent in 1991 to 48.40 percent in 2001 census (excluding 0-6 years of age group).

So far as CD Block-wise literacy rate is concerned, Ziro-I ranks first in literacy rate (47.58%) followed by Ziro-II (47.09%) and Tamen-Raga CD Block (34.23%) respectively. 

Decadal variation of population of the district is found to be (+) 29.15 percent during the last decade (1991-2001). While looking at the block level figures of decadal variation, it is observed that percentage of decadal variation is found to be highest (+) 38.42% in the Ziro-II CD Block for the rural population followed by Tamen-Raga (+)28.41 and Ziro-I  (+) 9.40 CD Blocks. 

The sex ratio of the district indicates 960 females per 1000 males as compared to 893 females per 1000 males for Arunachal Pradesh. It is noticed that the sex ratio for rural areas of the district constitutes 975 females per 1000 males and sex ratio of Urban area of the district has recorded 911 females per 1000 males. Out of 3(three) CD Blocks, Ziro-I CD Block ranks first in respect of sex ratio (1053 females per 1000 males) followed by Tamen- Raga CD Block with 951 females per 1000 males and Ziro-II CD Block (942 females per 1000 males) respectively. 

Scheduled caste population in the district is found to be very negligible as there is no indigenous scheduled caste population in the district as well as state. Within 226 villages in the district , totaling 68 persons are having scheduled caste population,the percentage being 0.16 to total rural population as against 0.10 percent in 1991 census. The Ziro Town has recorded only 101 persons scheduled caste population, the percentage being 0.82 to total urban population. The district scheduled caste population constitutes 0.16 percent as compared to 0.6 percent for Arunachal Pradesh. They are either government employees or migrated from other state for contractor’s construction works or business men.

As per 2001 Census, it is found that all the 226 villages and lone-Ziro Town of the district are inhabited by the scheduled Tribes population constituting 46893 (84.15%) to the total population of the district. Out of which 23022 (80.99%) are males and 23,871 (87.44%) are females as compared to 64.22 percent for Arunachal Pradesh.Total schedule Tribe population to total rural population has recorded 38464 persons (18934 males(+) 19530 females), the percentage being 88.75(86.28%males  and 91.27% females). Total scheduled tribe population to total Urban population constitutes 8429(4088 males and 4341 females), the percentage being 68.06(63.09 males and 73.53% females).

The total workers in the district constitutes 22675 persons (12745 males and 9930 females), the percentage being 40.69 (44.84 males and 36.37 females as against 50.15 percent in 1991 census. Out of which, 18535 (33.26%) are main workers,4140(7.43%)are marginal workers and 33051(59.31%) are non-workers. The total main workers to total rural population constitutes 33.55 percent, the male being 38.16 percent and female 28.82 percent and marginal workers recorded 9.16 percent, (6.54% the males and 11.84% percent female) and the total non-workers recorded 57.29 percent (55.30% males and 59.34% female). The main workers to the total urban population indicates 32.25 percent, the males being 44.10 percent and females 19.24 percent and marginal workers 1.38 percent, the males being 1.19 percent and females 1.59 percent and nonn-workers recorded 66.37% (54.71% male and 79.17 females). In case of CD Block-wise percentage of main workers to total population and total workers to to total population, it is noticed that Ziro-I CD block stand first (35.73%) followed by Ziro-II CD block (34.44%) and Tamen- RAga CD block (29.45%) respectively.

The district Headquarter Ziro was declared as Urban during 1991 Census and rest circles are still considered as rural.

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This is official web site of Lower Subansiri District.
Designed by National Informatics Centre, Lower Subansiri Unit, ziro - 791120, Arunachal Pradesh, India.

E-mail: ziro@nic.in; Phone:225774
 
..POPULATION(2001 Census)