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Largest and Smallest District in Arunachal Pradesh
Arunachal Pradesh is a state in northeast India. As of 2023, there are a total of 26 districts in Arunachal Pradesh. Upper Dibang Valley is the largest district by area and Papum Pare District is the most populated district in Arunachal Pradesh.
The newest districts of the state are Shi Yomi and Lepa-Rada, which were both formed in 2018 and there are proposals to form 3 New Districts but nothing has been finalized yet.
| # | District | Population (2011) | Area (km2) | Density |
| 1 | Anjaw | 21,089 | 6,190 | 3 |
| 2 | Changlang | 147,951 | 4,662 | 32 |
| 3 | East Kameng | 78,413 | 4,134 | 19 |
| 4 | East Siang | 99,019 | 3,603 | 27 |
| 5 | Kamle | 22,256 | 200 | 111 |
| 6 | Kra Daadi | 46704 | 2202 | 21 |
| 7 | Kurung Kumey | 45,372 | 3,838 | 12 |
| 8 | Lepa Rada | – | – | – |
| 9 | Lohit | 145,538 | 2,402 | 61 |
| 10 | Longding | 60,000 | 1,200 | 50 |
| 11 | Lower Dibang Valley | 53,986 | 3,900 | 14 |
| 12 | Lower Siang | – | – | – |
| 13 | Lower Subansiri | 82,839 | 3,508 | 24 |
| 14 | Namsai | 95,950 | 1,587 | 60 |
| 15 | Pakke-Kessang | – | – | – |
| 16 | Papum Pare | 176,385 | 2,875 | 61 |
| 17 | Shi Yomi | 13,310 | 2,875 | 5 |
| 18 | Siang | 31,920 | 2,919 | 11 |
| 19 | Tawang | 49,950 | 2,085 | 24 |
| 20 | Tirap | 111,997 | 2,362 | 47 |
| 21 | Upper Dibang Valley | 7,948 | 9,129 | 1 |
| 22 | Upper Siang | 35,289 | 6,188 | 6 |
| 23 | Upper Subansiri | 83,205 | 7,032 | 12 |
| 24 | West Kameng | 87,013 | 7,422 | 12 |
25 26 | West Siang Itanagar Capital District* | 112,272 122,930 | 8,325 200 | 13 – |
*Itanagar capital complex is administered by its own Deputy Commissioner, In January 2013 the Arunachal Pradesh government approved in principle the creation of a “Capital district”.
*Kamle district, Kra Daadi district, Lepa Rada district, Lower Siang district, Namsai district, Pakke-Kessang district, Shi Yomi district & Siang district was created after the 2011 Census. So Population & area figures can be incorrect.
Largest and Smallest District in Arunachal Pradesh by Area
Upper Dibang Valley district covering an area of 9129 km² is the largest district in Arunachal Pradesh. Kamle District is the smallest district of with total area is 200 km² in Arunachal Pradesh
| # By Area | District | Area |
| Largest | Upper Dibang Valley | 9,129 km² |
| Smallest | Kamle | 200 km2 |
Source: Census 2011
Largest and Smallest District in Arunachal Pradesh by Population
Papum Pare District is the most populated district in Arunachal Pradesh. Its Population as per the census 2011 is 1.76 Lakhs Upper Dibang Valley District with a population of 7948 is the least populated district in Arunachal Pradesh.
| # by Population | District | Population (Census 2011) |
| Most Populated | Papum Pare | 176,385 |
| Least | Upper Dibang Valley | 7,948 |
Highest and Lowest Population Density
Kamle District (111 people per km) has the highest Population density in Arunachal Pradesh. Upper Dibang Valley District with a population density of 1 person per km is the lowest-density district in Arunachal Pradesh.
| # by Density | District | Density (person/km) |
| Highest | Kamle | 111 |
| Least | Upper Dibang Valley | 1 |
Source: Census 2011
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