Administrative districts
The regency is divided administratively into nine districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census [2] and the 2020 Census, [3] together with the official estimates as of mid-2023. [1] The table also includes the locations of the district administrative centers, the number of administrative villages in each district (128 rural desa and 6 urban kelurahan), and its postcode.
Kode
Wilayah | Name of
District
(kecamatan) | Area
in
km2 | Pop'n
Census
2010 | Pop'n
Census
2020 | Pop'n
Estimate
mid 2023 | Admin
centre | No.
of
villages | Post
code |
|---|
| 12.17.06 | Sianjur Mula Mula (a) | 140.24 | 9,138 | 10,003 | 10,285 | Ginolat | 12 | 22396 |
| 12.17.05 | Harian | 560.45 | 7,860 | 9,397 | 9,682 | Harian Boho | 13 | 22391 |
| 12.17.09 | Sitio-tio | 50.76 | 7,124 | 8,172 | 8,378 | Sabulan | 8 | 22397 |
| 12.17.02 | Onan Runggu | 60.89 | 10,329 | 11,122 | 11,415 | Onan Runggu | 12 | 22398 |
| 12.17.03 | Nainggolan | 87.86 | 11,849 | 12,871 | 13,293 | Nainggolan | 15 (b) | 22394 |
| 12.17.04 | Palipi | 129.55 | 16,087 | 18,209 | 18,849 | Mogang | 17 | 22393 |
| 12.17.07 | Ronggur Nihuta | 94.87 | 8,356 | 9,692 | 9,960 | Ronggur Nihuta | 8 | 22392 |
| 12.17.08 | Pangururan | 121.45 | 29,412 | 34,209 | 35,692 | Pasar Pangururan | 28 (c) | 22390 |
| 12.17.01 | Simanindo (d) | 198.20 | 19,498 | 22,766 | 23,779 | Ambarita | 21 (e) | 22395 |
| Totals | 1,444.25 | 119,653 | 136,441 | 141,333 | Pangururan | 134 | |
Notes: (a) includes the small island of Tulas (Pulau Tulas) in Lake Toba. (b) including the 2 kelurahan of Parhusip III and Siruma Hombar. (c) including the 3 kelurahan of Pasar Pangururan, Pintu Sona and Siogung Ogung. (d) includes the small islands of Pulau Tolping, Pulau Malau Satu, and Pulau Malau Dua in Lake Toba. (e) including the kelurahan of Tuktuk Siadong.
Six of the nine districts ( kecamatan ) within the regency are on the island of Samosir (which lies within Lake Toba), while the others lie on the 'mainland' of Sumatra.
- Samosir Island districts
- Onan Runggu
- Palipi
- Pangururan
- Ronggur Nihuta
- Simanindo
- Nainggolan
- Mainland districts
- Sitio-tio
- Harian
- Sianjur Mula Mula
However, a small part of Pangururan District (the two villages of Desa Tanjung Bunga and kelurahan Siogung Ogung, with a combined area of 10.50 km2 and a population of 3,222 at the 2020 Census [3] ) lies on the 'mainland', cut off from the rest of the district by the canal.
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