| Subulussalam | |
| Translit Lang1: | Other |
| Translit Lang1 Type1: | Jawoë |
| Translit Lang1 Info1: | سبل السلام |
| Settlement Type: | City |
| Motto: | Sada Kata (One Word) |
| Pushpin Map: | Indonesia_Sumatra North#Indonesia_Sumatra#Indonesia |
| Pushpin Map Caption: | Location in Northern Sumatra, Sumatra and Indonesia |
| Coordinates: | 2.6422°N 98.0042°W |
| Subdivision Type: | Country |
| Subdivision Name: | Indonesia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Sumatra |
| Subdivision Type2: | Province |
| Subdivision Name2: | Aceh |
| Established Title: | City |
| Established Date: | 2 January 2007 |
| Leader Title: | Mayor |
| Leader Name: | Affan Alfian Bintang |
| Leader Title1: | Vice Mayor |
| Leader Name1: | Salmaza Kombih |
| Unit Pref: | Metric |
| Area Total Km2: | 1391 |
| Population Total: | 97770 |
| Population As Of: | mid 2023 estimate |
| Population Density Km2: | auto |
| Population Note: | [1] |
| Timezone1: | IWST |
| Utc Offset1: | +7 |
| Area Code Type: | Area code |
| Area Code: | (+62) 627 |
Subulussalam (Jawoë: سبل السلام) is a city in the south of Aceh province of Indonesia. It is located inland on the island of Sumatra. On 2 January 2007, the provincial government of Aceh declared Subulussalam to be an independent city as a result of the administration being separated from that of Aceh Singkil Regency. of which it was formerly a part. It is located at 2.6423°N 98.0041°W. It covers an area of 1,391 km2, and it had a population of 67,446 at the 2010 Census[2] and of 90,751 at the 2020 Census;[3] the official estimate as in mid 2023 was 97,770 (comprising 49,653 males and 48,117 females).[4] As a result, Subulussalam is the most sparsely-populated city in Indonesia, with a population density of only 70.3 people per km2.[5]
Subulussalam city consists of five districts (kecamatan), tabulated below with their areas and population totals from the 2010 Census[6] and the 2020 Census,[7] together with the official estimates for mid 2023.[8] The table also includes the number of administrative villages (gampong) in each district, and its postal codes.
| Kode Wilayah | Name of District (kecamatan) | Area in km2 | Pop'n Census 2010 | Pop'n Census 2020 | Pop'n Estimate mid 2023 | No. of villages | Post codes | |
|---|---|---|---|---|---|---|---|---|
| 11.75.01 | Simpang Kiri | 213 | 27,573 | 35,886 | 38,266 | 17 | 24781 | |
| 11.75.02 | Penanggalan | 93 | 11,479 | 16,916 | 18,701 | 13 | 24780 | |
| 11.75.03 | Rundeng | 320 | 10,994 | 14,142 | 15,029 | 23 | 24779 | |
| 11.75.04 | Sultan Daulat | 602 | 12,960 | 17,126 | 18,343 | 19 | 24783 | |
| 11.75.05 | Longkib | 163 | 4,440 | 6,681 | 7,431 | 10 | 24782 | |
| Totals | 1,391 | 67,446 | 90,751 | 97,770 | 82 |
Subulussalam has a tropical rainforest climate (Af) with heavy to very heavy rainfall year-round.