North Sumatra
Name Area ( km ) Population Census 2010 Population Census 2015 Population Estimate 2018 Capital HDI 2019 Estimates
Dairi Regency 1,927.5 270,053 278,912 283,203 Sidikalang 0.714 ( High )
Pakpak Bharat Regency 1,218.3 40,481 42,208 48,119 Salak 0.674 ( Medium )
Samosir Regency 2,069.0 119,653 123,744 125,816 Pangururan 0.705 ( High )
Toba Regency 2,328.8 173,129 179,600 182,673 Balige 0.749 ( High )
North Tapanuli Regency ( Tapanuli Utara ) 3,791.6 279,257 293,164 299,881 Tarutung 0.733 ( High )
Humbang Hasundutan Regency 2,335.3 171,650 182,804 188,480 Dolok Sanggul 0.688 ( Medium )
Central Tapanuli Regency ( Tapanuli Tengah ) 2,188.0 311,232 349,420 370,171 Pandan 0.688 ( Medium )
Sibolga City 41.3 84,481 86,499 87,317 Sibolga 0.734 ( High )
South Tapanuli Regency ( Tapanuli Selatan ) 6,030.3 263,815 274,922 280,283 Sipirok 0.697 ( Medium )
Padang Sidempuan City 114.6 191,531 209,550 218,892 Padang Sidempuan 0.750 ( High )
North Padang Lawas Regency ( Padang Lawas Utara ) 3,918.0 223,531 252,084 267,771 Gunung Tua 0.692 ( Medium )
Padang Lawas Regency 3,892.8 225,259 257,473 275,515 Sibuhuan 0.681 ( Medium )
Mandailing Natal Regency 6,134.0 404,945 430,485 443,490 Panyabungan 0.665 ( Medium )
Governance -- Administrative divisions
A tourist taken in a photo of Bagas Godang in Panyabungan , Mandailing Natal
North Sumatra (Indonesian: Sumatra Utara) is a province of Indonesia. It consists of a large northwestern belt of the island of Sumatra and its capital is Medan. North Sumatra is the fourth most-populous province after West Java, East Java and Central Java - it covers an area of 72,981 sq.km, and at the Census of 2015 it had a population of 13,923,262; the latest official estimate as at mid 2019 is 14,639,400.