District of Arunachal Pradesh

Lower Siang District Population 2026

Q: What is the population of Lower Siang district in 2026?

Our estimate for 1 March 2026 is ≈21,000 (21 thousand). It is not an official figure: it applies Lower Siang's 2001–2011 trend, damped, to the official Arunachal Pradesh projection (method M1). Census 2011 counted 20,450.

Q: What was the population of Lower Siang district in Census 2011?

20,450: 10,413 males and 10,037 females, of whom 0 lived in towns and 20,450 in villages. These figures are on the district’s current boundaries, rebuilt from Census 2011 village and town records.

Population · 1 March 2026

≈ 21 thousand Estimate Our estimate, method M1, constrained to the official state projection 1 March 2026 How this is made →

21,000 21,000 1 March 2026

Lower Siang district's population is estimated at ≈21 thousand (21,000) on 1 March 2026. This is our estimate, tied to the official Arunachal Pradesh projection; Census 2011, the last count, recorded 20,450 on the district’s present boundaries.

Estimate: method M1, constrained to the RGI projection for Arunachal Pradesh. Census: ORGI.

Which number do you mean?

District totals include villages. Here is how the 2011 population splits between towns and villages.

District

Lower Siang district

Census 2011: 20,450
2026 Estimate Our estimate, method M1, constrained to the official state projection How this is made →: ≈ 21 thousand

Urban population

Towns (urban)

Census 2011: 0

Rural

Villages (rural)

Census 2011: 20,450

Key figures

Population 2026: ≈ 21 thousand 21,000 Estimate Our estimate, method M1, constrained to the official state projection How this is made →
Census 2011: 20.4 thousand 20,450 Reconstructed Census figures re-added on today’s boundaries How this is made →
Density: ≈ 13per km² 2011
Sex ratio: 964 Arunachal Pradesh: 938
Child sex ratio (0–6): 928 Arunachal Pradesh: 972
Literacy rate: 70.7% Male 76.4% · Female 64.9%
Urban share: 0.0% Arunachal Pradesh: 22.9%
Growth 2001–11: +10.3% Arunachal Pradesh: +26.0%
Area: ≈ 1,556km² approx., from 2011 sub-district areas
Households: 3.7 thousand 5.5 people per household
Villages: 100 Census 2011
Towns: 0 Census 2011

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Population over time

Census figures re-added on today’s boundaries (parts of earlier districts apportioned by their 2011 population), then our estimate to 2036.

Reconstructed
Estimate

21k 2026

› Show the numbers as a table

Year	Population
1991	15,710
2001	18,537
2011	20,450
2016 *	21,000
2021 *	21,000
2026 *	21,000
2031 *	22,000
2036 *	21,000

* Estimate

How Lower Siang's 2011 population was spread

Sub-districts (tehsils, talukas, mandals or blocks) as they were in Census 2011. “Part” means only some of it now lies in this district.

How Lower Siang's 2011 population was spread
#
1	Likabali	6,076	29.7%	934	79.1%	0.0%
2	Nari (part)	3,475	17.0%	1048	65.4%	0.0%
3	New Seren	3,048	14.9%	961	72.6%	0.0%
4	Kangku	2,500	12.2%	1033	64.8%	0.0%
5	Koyu (part)	1,842	9.0%	935	68.1%	0.0%
6	Gensi	1,783	8.7%	975	71.8%	0.0%
7	Sibe	1,345	6.6%	820	56.4%	0.0%
8	Kora (part)	381	1.9%	944	62.6%	0.0%

How people in Lower Siang worked (Census 2011)

Cultivators

60.0%

Agricultural labourers

5.3%

Household industry

1.0%

Other work

33.8%

Share of all workers, main and marginal. Work participation: 43.1%.

Age structure of Lower Siang

Population in five-year age groups, Census 2011. Men on the left, women on the right. Census 2011, approx. Census 2011 on today’s boundaries; approximate, because some 2011 units were split between districts and are apportioned by population. How this is made →

MenWomen

80+
75-79
70-74
65-69
60-64
55-59
50-54
45-49
40-44
35-39
30-34
25-29
20-24
15-19
10-14
5-9
0-4

› Show the numbers as a table

Age	Men	Women
0-4	907	880
5-9	1,154	1,107
10-14	1,352	1,352
15-19	1,186	1,192
20-24	941	951
25-29	895	890
30-34	774	738
35-39	715	723
40-44	674	560
45-49	551	450
50-54	418	322
55-59	260	221
60-64	253	239
65-69	165	148
70-74	118	97
75-79	50	43
80+	59	52

Children (0–14): 33.0%; Arunachal Pradesh 35.7%
Working age (15–59): 61.0%; Arunachal Pradesh 59.7%
Older people (60+): 6.0%; Arunachal Pradesh 4.6%
Median age: 22.9years; Arunachal Pradesh 21.6
Dependency ratio: 57.8; children and 65+ per 100 aged 15–64; Arunachal Pradesh 62.5

Languages spoken in Lower Siang

Share of people by mother tongue, grouped into languages as the Census does. 37 languages recorded. Census 2011, approx. Census 2011 on today’s boundaries; approximate, because some 2011 units were split between districts and are apportioned by population. How this is made →

Adi 79.0%
Nepali 4.8%
Hindi 3.6%
Bodo 3.5%
Bengali 3.1%
Assamese 2.6%
Miri/Mishing 1.1%
Odia 0.4%
All other languages 1.8%

Largest mother tongues

Talgalo42.1%
Adi Gallong/Gallong26.6%
Adi9.9%
Nepali4.7%
Bengali2.8%
Hindi2.8%
Assamese2.6%
Bodo/Boro1.9%

Housing and amenities in Lower Siang

Share of households, Houselisting Census 2011. Reconstructed Census 2011, added up on today’s boundaries from village, town or sub-district records. How this is made →

Basic services

Electricity for lighting 54.3%

Arunachal Pradesh 66.1%
Tap water 70.0%

Arunachal Pradesh 65.8%
Water source within premises 50.4%

Arunachal Pradesh 41.3%
Toilet within premises 56.3%

Arunachal Pradesh 62.3%
Open defecation (no latrine) (Lower is better for this one.) 39.4%

Arunachal Pradesh 34.5%
Bathing area within premises 41.8%

Arunachal Pradesh 42.8%
Closed drainage 3.1%

Arunachal Pradesh 6.0%
Cooking with LPG/PNG 19.4%

Arunachal Pradesh 29.6%
Cooking with wood, crop waste or dung (Lower is better for this one.) 80.1%

Arunachal Pradesh 69.1%

What households own

Mobile phone 54.5%

Arunachal Pradesh 45.6%
Television 45.3%

Arunachal Pradesh 41.5%
Scooter or motorcycle 23.2%

Arunachal Pradesh 14.0%
Computer or laptop 8.4%

Arunachal Pradesh 8.2%
Car, jeep or van 10.5%

Arunachal Pradesh 8.0%
Use banking services 51.5%

Arunachal Pradesh 53.3%
None of the listed assets (Lower is better for this one.) 17.4%

Arunachal Pradesh 30.4%

The home itself

Own their home 71.2%

Arunachal Pradesh 68.0%
Rent their home 16.3%

Arunachal Pradesh 22.8%
Permanent (pucca) house 16.1%

Arunachal Pradesh 19.0%
House in good condition 54.8%

Arunachal Pradesh 51.8%
Concrete roof 2.1%

Arunachal Pradesh 4.0%
Cement or tiled floor 23.3%

Arunachal Pradesh 26.1%
One room or less (Lower is better for this one.) 35.8%

Arunachal Pradesh 33.7%

Arunachal Pradesh

What the numbers say

Lower Siang district held 1.5% of Arunachal Pradesh's population in 2011, 22nd of 27 districts.
Literacy is 70.7%, 5.3 points above the Arunachal Pradesh average of 65.4%.
The sex ratio of 964 females per 1,000 males is higher than the state's 938.
0.0% of residents lived in towns in 2011, more rural than Arunachal Pradesh as a whole (22.9%).
The population grew 10.3% in 2001–11, slower than Arunachal Pradesh's 26.0% (on today’s boundaries).
Our 2026 estimate, ≈21 thousand, implies growth of about 3% since 2011; it is tied to the official Arunachal Pradesh projection.
It covers parts of 2 districts as they were in 2011 (West Siang, East Siang); its 2011 figures are rebuilt from 100 village and 0 town records.

How this district was formed

Lower Siang covers land that was part of these districts in Census 2011:

West Siang (2011) 57.2% of this district
10.4% of the 2011 district
East Siang (2011) 42.8% of this district
8.8% of the 2011 district

Compare with

All districts of Arunachal Pradesh →

Census 2027 status

Results pending

Phase I: houselisting

Done (1 May 2026 – 30 May 2026)
Phase II: counting people

February 2027 (reference date 1 March 2027)
Results

Not yet released. In 2011, first figures came about a month after counting ended.

When the Registrar General publishes Census 2027 figures for Lower Siang, they will appear on this page, at this address. Census 2027 explained →

Population by religion in Lower Siang (Census 2011)

Official figures as published by the Office of the Registrar General. Shown without commentary. Reconstructed Census 2011 on today’s boundaries; approximate, because some 2011 units were split between districts and are apportioned by population. How this is made →

Population by religion in Lower Siang (Census 2011)
Religion	Persons	Share	Arunachal Pradesh
Hindu	≈ 3,700	18.1%	29.0%
Muslim	≈ 200	1.0%	2.0%
Christian	≈ 8,600	41.8%	30.3%
Sikh	≈ 0	0.1%	0.2%
Buddhist	≈ 100	0.3%	11.8%
Jain	≈ 0	0.1%	0.1%
Other religions and persuasions	≈ 7,800	38.3%	26.2%
Religion not stated	≈ 0	0.2%	0.5%
Total	20,450	100%

Frequently asked questions

What is the population of Lower Siang district in 2026?

Our estimate for 1 March 2026 is ≈21,000 (21 thousand). It is not an official figure: it applies Lower Siang's 2001–2011 trend, damped, to the official Arunachal Pradesh projection (method M1). Census 2011 counted 20,450.

What was the population of Lower Siang district in Census 2011?

20,450: 10,413 males and 10,037 females, of whom 0 lived in towns and 20,450 in villages. These figures are on the district’s current boundaries, rebuilt from Census 2011 village and town records.

What is the literacy rate and sex ratio of Lower Siang?

Literacy was 70.7% in 2011 (men 76.4%, women 64.9%). The sex ratio was 964 females per 1,000 males, and 928 among children aged 0–6.

How many villages and towns are in Lower Siang district?

On today's boundaries the district contains 100 Census 2011 villages and 0 towns.

⤓ Download Arunachal Pradesh district data (CSV)

Sources and method

Data updated: 4 October 2026 · Report a correction