| Kabupaten Asahan | Kisaran | 710 k |
| Kabupaten Batu Bara | Limapuluh | 401 k |
| Kabupaten Dairi | Sidikalang | 283 k · 4 localities |
| Kabupaten Deli Serdang | Lubuk Pakam | 1.9 M |
| Kabupaten Humbang Hasundutan | Dolok Sanggul | 176 k · 11 localities |
| Kabupaten Karo | Kabanjahe | 382 k |
| Kabupaten Labuhan Batu | Rantau Prapat | 445 k |
| Kabupaten Labuhan Batu Selatan | Kota Pinang | 286 k |
| Kabupaten Labuhan Batu Utara | Aek Kanopan | 354 k |
| Kabupaten Langkat | no seat recorded | 1.0 M · 1 subdistrict |
| Kabupaten Mandailing Natal | no seat recorded | 426 k |
| Kabupaten Nias | no seat recorded | 138 k |
| Kabupaten Nias Barat | Onolimbu | 89 k |
| Kabupaten Nias Selatan | Teluk Dalam | 306 k |
| Kabupaten Nias Utara | Lotu | 130 k |
| Kabupaten Padang Lawas | Sibuhuan | 232 k · 3 localities |
| Kabupaten Padang Lawas Utara | Gunung Tua | 242 k · 5 localities |
| Kabupaten Pakpak Bharat | Salak | 41 k · 2 localities |
| Kabupaten Samosir | Pangururan | 124 k · 8 localities |
| Kabupaten Serdang Bedagai | Sei Rampah | 618 k |
| Kabupaten Simalungun | Pematang Raya | 1.0 M · 1 subdistrict |
| Kabupaten Tapanuli Tengah | Pandan | 375 k · 1 locality |
| Kabupaten Tapanuli Utara | no seat recorded | 293 k · 8 localities |
| Kabupaten Toba Samosir | Balige | 181 k · 12 localities |
| Kecamatan Adian Koting | no seat recorded | |
| Kecamatan Aek Bilah | no seat recorded | |
| Kecamatan Aek Kuasan | no seat recorded | |
| Kecamatan Aek Kuo | no seat recorded | |
| Kecamatan Aek Ledong | no seat recorded | |
| Kecamatan Aek Nabara Barumun | no seat recorded | |
| Kecamatan Aek Natas | no seat recorded | |
| Kecamatan Aek Songsongan | no seat recorded | |
| Kecamatan Afulu | no seat recorded | |
| Kecamatan Air Batu | no seat recorded | |
| Kecamatan Air Joman | no seat recorded | |
| Kecamatan Air Putih | no seat recorded | |
| Kecamatan Ajibata | no seat recorded | |
| Kecamatan Alasa | no seat recorded | |
| Kecamatan Alasa Talumuzoi | no seat recorded | |
| Kecamatan Amandraya | no seat recorded | |
| Kecamatan Andam Dewi | no seat recorded | |
| Kecamatan Angkola Barat | no seat recorded | |
| Kecamatan Angkola Muara Tais | no seat recorded | |
| Kecamatan Angkola Sangkunur | no seat recorded | |
| Kecamatan Angkola Selatan | no seat recorded | |
| Kecamatan Angkola Timur | no seat recorded | |
| Kecamatan Aramo | no seat recorded | |
| Kecamatan Arse | no seat recorded | |
| Kecamatan Babalan | no seat recorded | |
| Kecamatan Badiri | no seat recorded | |
| Kecamatan Bahorok | no seat recorded | |
| Kecamatan Bakti Raja | no seat recorded | |
| Kecamatan Balige | no seat recorded | |
| Kecamatan Bandar | no seat recorded | |
| Kecamatan Bandar Huluan | no seat recorded | |
| Kecamatan Bandar Khalipah | no seat recorded | |
| Kecamatan Bandar Masilam | no seat recorded | |
| Kecamatan Bandar Pasir Mandoge | no seat recorded | |
| Kecamatan Bandar Pulau | no seat recorded | |
| Kecamatan Bangun Purba | no seat recorded | |
| Kecamatan Barumun Tengah | no seat recorded | |
| Kecamatan Barus | no seat recorded | |
| Kecamatan Barus Jahe | no seat recorded | |
| Kecamatan Batahan | no seat recorded | |
| Kecamatan Batang Angkola | no seat recorded | |
| Kecamatan Batang Kuis | no seat recorded | |
| Kecamatan Batang Lubu Sutam | no seat recorded | |
| Kecamatan Batang Natal | no seat recorded | |
| Kecamatan Batang Onang | no seat recorded | |
| Kecamatan Batang Serangan | no seat recorded | |
| Kecamatan Batang Toru | no seat recorded | |
| Kecamatan Bawolato | no seat recorded | |
| Kecamatan Berampu | no seat recorded | |
| Kecamatan Berandan Barat | no seat recorded | |
| Kecamatan Berastagi | no seat recorded | |
| Kecamatan Beringin | no seat recorded | |
| Kecamatan Besitang | no seat recorded | |
| Kecamatan Bilah Barat | no seat recorded | |
| Kecamatan Bilah Hilir | no seat recorded | |
| Kecamatan Bilah Hulu | no seat recorded | |
| Kecamatan Binjai | no seat recorded | |
| Kecamatan Binjai Barat | no seat recorded | |
| Kecamatan Binjai Kota | no seat recorded | |
| Kecamatan Binjai Selatan | no seat recorded | |
| Kecamatan Binjai Timur | no seat recorded | |
| Kecamatan Binjai Utara | no seat recorded | |
| Kecamatan Bintang Bayu | no seat recorded | |
| Kecamatan Bonatua Lunasi | no seat recorded | |
| Kecamatan Borbor | no seat recorded | |
| Kecamatan Boronadu | no seat recorded | |
| Kecamatan Bosar Maligas | no seat recorded | |
| Kecamatan Botomuzoi | no seat recorded | |
| Kecamatan Bukit Malintang | no seat recorded | |
| Kecamatan Buntu Pane | no seat recorded | |
| Kecamatan Datuk Bandar | no seat recorded | |
| Kecamatan Datuk Bandar Timur | no seat recorded | |
| Kecamatan Datuk Lima Puluh | no seat recorded | |
| Kecamatan Datuk Tanah Datar | no seat recorded | |
| Kecamatan Deli Tua | no seat recorded | |
| Kecamatan Dolat Rayat | no seat recorded | |
| Kecamatan Dolog Masagal | no seat recorded | |
| Kecamatan Dolok | no seat recorded | |
| Kecamatan Dolok Batunanggar | no seat recorded | |
| Kecamatan Dolok Masihul | no seat recorded | |
| Kecamatan Dolok Merawan | no seat recorded | |
| Kecamatan Dolok Panribuan | no seat recorded | |
| Kecamatan Dolok Pardamean | no seat recorded | |
| Kecamatan Dolok Sanggul | no seat recorded | |
| Kecamatan Dolok Sigompulon | no seat recorded | |
| Kecamatan Dolok Silau | no seat recorded | |
| Kecamatan Fanayama | no seat recorded | |
| Kecamatan Galang | no seat recorded | |
| Kecamatan Garoga | no seat recorded | |
| Kecamatan Gebang | no seat recorded | |
| Kecamatan Gido | no seat recorded | |
| Kecamatan Girsang Sipangan Bolon | no seat recorded | |
| Kecamatan Gomo | no seat recorded | |
| Kecamatan Gunung Malela | no seat recorded | |
| Kecamatan Gunung Maligas | no seat recorded | |
| Kecamatan Gunung Meriah | no seat recorded | |
| Kecamatan Gunung Sitember | no seat recorded | |
| Kecamatan Habinsaran | no seat recorded | |
| Kecamatan Halongonan | no seat recorded | |
| Kecamatan Halongonan Timur | no seat recorded | |
| Kecamatan Hamparan Perak | no seat recorded | |
| Kecamatan Harian | no seat recorded | |
| Kecamatan Hatonduhan | no seat recorded | |
| Kecamatan Hibala | no seat recorded | |
| Kecamatan Hiliduho | no seat recorded | |
| Kecamatan Hilimegai | no seat recorded | |
| Kecamatan Hilisalawa’ahe | no seat recorded | |
| Kecamatan Hili Serangkai | no seat recorded | |
| Kecamatan Hinai | no seat recorded | |
| Kecamatan Hulu Sihapas | no seat recorded | |
| Kecamatan Huristak | no seat recorded | |
| Kecamatan Huruna | no seat recorded | |
| Kecamatan Huta Bargot | no seat recorded | |
| Kecamatan Hutabayu Raja | no seat recorded | |
| Kecamatan Huta Raja Tinggi | no seat recorded | |
| Kecamatan Idano Gawo | no seat recorded | |
| Kecamatan Idanotae | no seat recorded | |
| Kecamatan Jawa Maraja Bah Jambi | no seat recorded | |
| Kecamatan Jorlang Hataran | no seat recorded | |
| Kecamatan Juhar | no seat recorded | |
| Kecamatan Kabanjahe | no seat recorded | |
| Kecamatan Kampung Rakyat | no seat recorded | |
| Kecamatan Kerajaan | no seat recorded | |
| Kecamatan Kolang | no seat recorded | |
| Kecamatan Kota Kisaran Barat | no seat recorded | |
| Kecamatan Kota Kisaran Timur | no seat recorded | |
| Kecamatan Kotanopan | no seat recorded | |
| Kecamatan Kota Pinang | no seat recorded | |
| Kecamatan Kotarih | no seat recorded | |
| Kecamatan Kualuh Hilir | no seat recorded | |
| Kecamatan Kualuh Hulu | no seat recorded | |
| Kecamatan Kualuh Leidong | no seat recorded | |
| Kecamatan Kualuh Selatan | no seat recorded | |
| Kecamatan Kuta Buluh | no seat recorded | |
| Kecamatan Kutalimbaru | no seat recorded | |
| Kecamatan Kutambaru | no seat recorded | |
| Kecamatan Labuhan Deli | no seat recorded | |
| Kecamatan Lae Parira | no seat recorded | |
| Kecamatan Laguboti | no seat recorded | |
| Kecamatan Lahewa | no seat recorded | |
| Kecamatan Lahewa Timur | no seat recorded | |
| Kecamatan Lahomi | no seat recorded | |
| Kecamatan Lahusa | no seat recorded | |
| Kecamatan Laubaleng | no seat recorded | |
| Kecamatan Laut Tador | no seat recorded | |
| Kecamatan Lembah Sorik Marapi | no seat recorded | |
| Kecamatan Lima Puluh | no seat recorded | |
| Kecamatan Lima Puluh Pesisir | no seat recorded | |
| Kecamatan Lingga Bayu | no seat recorded | |
| Kecamatan Lintong Nihuta | no seat recorded | |
| Kecamatan Lolofitu Moi | no seat recorded | |
| Kecamatan Lolomatua | no seat recorded | |
| Kecamatan Lolowau | no seat recorded | |
| Kecamatan Lotu | no seat recorded | |
| Kecamatan Luahagundre Maniamolo | no seat recorded | |
| Kecamatan Lubuk Barumun | no seat recorded | |
| Kecamatan Lubuk Pakam | no seat recorded | |
| Kecamatan Lumban Julu | no seat recorded | |
| Kecamatan Lumut | no seat recorded | |
| Kecamatan Mandrehe | no seat recorded | |
| Kecamatan Mandrehe Barat | no seat recorded | |
| Kecamatan Mandrehe Utara | no seat recorded | |
| Kecamatan Manduamas | no seat recorded | |
| Kecamatan Maniamolo | no seat recorded | |
| Kecamatan Marancar | no seat recorded | |
| Kecamatan Marbau | no seat recorded | |
| Kecamatan Mardingding | no seat recorded | |
| Kecamatan Ma’u | no seat recorded | |
| Kecamatan Mazino | no seat recorded | |
| Kecamatan Mazo | no seat recorded | |
| Kecamatan Medan Amplas | no seat recorded | |
| Kecamatan Medan Area | no seat recorded | |
| Kecamatan Medan Barat | no seat recorded | |
| Kecamatan Medan Baru | no seat recorded | |
| Kecamatan Medan Belawan | no seat recorded | |
| Kecamatan Medan Deli | no seat recorded | |
| Kecamatan Medan Denai | no seat recorded | |
| Kecamatan Medang Deras | no seat recorded | |
| Kecamatan Medan Helvetia | no seat recorded | |
| Kecamatan Medan Johor | no seat recorded | |
| Kecamatan Medan Kota | no seat recorded | |
| Kecamatan Medan Labuhan | no seat recorded | |
| Kecamatan Medan Maimun | no seat recorded | |
| Kecamatan Medan Marelan | no seat recorded | |
| Kecamatan Medan Perjuangan | no seat recorded | |
| Kecamatan Medan Petisah | no seat recorded | |
| Kecamatan Medan Polonia | no seat recorded | |
| Kecamatan Medan Selayang | no seat recorded | |
| Kecamatan Medan Sunggal | no seat recorded | |
| Kecamatan Medan Tembung | no seat recorded | |
| Kecamatan Medan Timur | no seat recorded | |
| Kecamatan Medan Tuntungan | no seat recorded | |
| Kecamatan Meranti | no seat recorded | |
| Kecamatan Merdeka | no seat recorded | |
| Kecamatan Merek | no seat recorded | |
| Kecamatan Moro’o | no seat recorded | |
| Kecamatan Muara | no seat recorded | |
| Kecamatan Muara Batang Gadis | no seat recorded | |
| Kecamatan Muara Batang Toru | no seat recorded | |
| Kecamatan Muara Sipongi | no seat recorded | |
| Kecamatan Munte | no seat recorded | |
| Kecamatan Naga Juang | no seat recorded | |
| Kecamatan Nainggolan | no seat recorded | |
| Kecamatan Naman Teran | no seat recorded | |
| Kecamatan Namohalu Esiwa | no seat recorded | |
| Kecamatan Namo Rambe | no seat recorded | |
| Kecamatan Na Sembilan Sepuluh | no seat recorded | |
| Kecamatan Nassau | no seat recorded | |
| Kecamatan Natal | no seat recorded | |
| Kecamatan Nibung Hangus | no seat recorded | |
| Kecamatan Onan Ganjang | no seat recorded | |
| Kecamatan Onan Runggu | no seat recorded | |
| Kecamatan Onohazumba | no seat recorded | |
| Kecamatan Onolalu | no seat recorded | |
| Kecamatan O’o’u | no seat recorded | |
| Kecamatan Padang Bolak | no seat recorded | |
| Kecamatan Padang Bolak Julu | no seat recorded | |
| Kecamatan Padang Bolak Tenggara | no seat recorded | |
| Kecamatan Padangsidempuan | no seat recorded | |
| Kecamatan Padang Tualang | no seat recorded | |
| Kecamatan Pagaran | no seat recorded | |
| Kecamatan Pagar Merbau | no seat recorded | |
| Kecamatan Pagindar | no seat recorded | |
| Kecamatan Pahae Jae | no seat recorded | |
| Kecamatan Pahae Julu | no seat recorded | |
| Kecamatan Pakantan | no seat recorded | |
| Kecamatan Pakkat | no seat recorded | |
| Kecamatan Palipi | no seat recorded | |
| Kecamatan Pamatang Silima Huta | no seat recorded | |
| Kecamatan Panai Hilir | no seat recorded | |
| Kecamatan Panai Hulu | no seat recorded | |
| Kecamatan Panai Tengah | no seat recorded | |
| Kecamatan Pancur Batu | no seat recorded | |
| Kecamatan Pandan | no seat recorded | |
| Kecamatan Panei | no seat recorded | |
| Kecamatan Pangaribuan | no seat recorded | |
| Kecamatan Pangkalan Susu | no seat recorded | |
| Kecamatan Pangkatan | no seat recorded | |
| Kecamatan Pangururan | no seat recorded | |
| Kecamatan Panombean Panei | no seat recorded | |
| Kecamatan Pantai Cermin | no seat recorded | |
| Kecamatan Pantai Labu | no seat recorded | |
| Kecamatan Panyabungan | no seat recorded | |
| Kecamatan Panyabungan Barat | no seat recorded | |
| Kecamatan Panyabungan Selatan | no seat recorded | |
| Kecamatan Panyabungan Timur | no seat recorded | |
| Kecamatan Panyabungan Utara | no seat recorded | |
| Kecamatan Paranginan | no seat recorded | |
| Kecamatan Parbuluan | no seat recorded | |
| Kecamatan Parlilitan | no seat recorded | |
| Kecamatan Parmaksian | no seat recorded | |
| Kecamatan Parmonangan | no seat recorded | |
| Kecamatan Pasaribu Tobing | no seat recorded | |
| Kecamatan Patumbak | no seat recorded | |
| Kecamatan Payung | no seat recorded | |
| Kecamatan Pegagan Hilir | no seat recorded | |
| Kecamatan Pegajahan | no seat recorded | |
| Kecamatan Pematang Bandar | no seat recorded | |
| Kecamatan Pematang Jaya | no seat recorded | |
| Kecamatan Perbaungan | no seat recorded | |
| Kecamatan Percut Sei Tuan | no seat recorded | |
| Kecamatan Pergetteng Getteng Sengku | no seat recorded | |
| Kecamatan Pinangsori | no seat recorded | |
| Kecamatan Pintu Pohan Meranti | no seat recorded | |
| Kecamatan Pollung | no seat recorded | |
| Kecamatan Porsea | no seat recorded | |
| Kecamatan Portibi | no seat recorded | |
| Kecamatan Pulau-Pulau Batu | no seat recorded | |
| Kecamatan Pulau-Pulau Batu Barat | no seat recorded | |
| Kecamatan Pulau-Pulau Batu Timur | no seat recorded | |
| Kecamatan Pulau-Pulau Batu Utara | no seat recorded | |
| Kecamatan Pulau Rakyat | no seat recorded | |
| Kecamatan Pulo Bandring | no seat recorded | |
| Kecamatan Puncak Sorik Marapi | no seat recorded | |
| Kecamatan Purba | no seat recorded | |
| Kecamatan Purba Tua | no seat recorded | |
| Kecamatan Rahuning | no seat recorded | |
| Kecamatan Rantau Selatan | no seat recorded | |
| Kecamatan Rantau Utara | no seat recorded | |
| Kecamatan Ranto Baek | no seat recorded | |
| Kecamatan Rawang Panca Arga | no seat recorded | |
| Kecamatan Raya | no seat recorded | |
| Kecamatan Raya Kahean | no seat recorded | |
| Kecamatan Ronggur Nihuta | no seat recorded | |
| Kecamatan Saipar Dolok Hole | no seat recorded | |
| Kecamatan Salak | no seat recorded | |
| Kecamatan Salapian | no seat recorded | |
| Kecamatan Sarudik | no seat recorded | |
| Kecamatan Sawit Seberang | no seat recorded | |
| Kecamatan Sawo | no seat recorded | |
| Kecamatan Sayur Matinggi | no seat recorded | |
| Kecamatan Secanggang | no seat recorded | |
| Kecamatan Sei Balai | no seat recorded | |
| Kecamatan Sei Bamban | no seat recorded | |
| Kecamatan Sei Bingai | no seat recorded | |
| Kecamatan Sei Dadap | no seat recorded | |
| Kecamatan Sei Kepayang | no seat recorded | |
| Kecamatan Sei Kepayang Barat | no seat recorded | |
| Kecamatan Sei Kepayang Timur | no seat recorded | |
| Kecamatan Sei Lepan | no seat recorded | |
| Kecamatan Sei Rampah | no seat recorded | |
| Kecamatan Sei Suka | no seat recorded | |
| Kecamatan Sei Tualang Raso | no seat recorded | |
| Kecamatan Selesai | no seat recorded | |
| Kecamatan Serapit | no seat recorded | |
| Kecamatan Serba Jadi | no seat recorded | |
| Kecamatan Setia Janji | no seat recorded | |
| Kecamatan Siabu | no seat recorded | |
| Kecamatan Sianjur Mula-Mula | no seat recorded | |
| Kecamatan Siantar | no seat recorded | |
| Kecamatan Siantar Narumonda | no seat recorded | |
| Kecamatan Siatas Barita | no seat recorded | |
| Kecamatan Sibabangun | no seat recorded | |
| Kecamatan Sibiru-Biru | no seat recorded | |
| Kecamatan Sibolangit | no seat recorded | |
| Kecamatan Sibolga Kota | no seat recorded | |
| Kecamatan Sibolga Sambas | no seat recorded | |
| Kecamatan Sibolga Selatan | no seat recorded | |
| Kecamatan Sibolga Utara | no seat recorded | |
| Kecamatan Siborong-Borong | no seat recorded | |
| Kecamatan Sidamanik | no seat recorded | |
| Kecamatan Sidikalang | no seat recorded | |
| Kecamatan Sidua’ori | no seat recorded | |
| Kecamatan Siempat Nempu | no seat recorded | |
| Kecamatan Siempat Nempu Hilir | no seat recorded | |
| Kecamatan Siempat Rube | no seat recorded | |
| Kecamatan Sigumpar | no seat recorded | |
| Kecamatan Sihapas Barumun | no seat recorded | |
| Kecamatan Sijamapolang | no seat recorded | |
| Kecamatan Silaen | no seat recorded | |
| Kecamatan Silahi Sabungan | no seat recorded | |
| Kecamatan Silangkitang | no seat recorded | |
| Kecamatan Silau Kahean | no seat recorded | |
| Kecamatan Silau Laut | no seat recorded | |
| Kecamatan Silimakuta | no seat recorded | |
| Kecamatan Silima Pungga-Pungga | no seat recorded | |
| Kecamatan Silinda | no seat recorded | |
| Kecamatan Simangambat | no seat recorded | |
| Kecamatan Simangumban | no seat recorded | |
| Kecamatan Simanindo | no seat recorded | |
| Kecamatan Simpang Empat | no seat recorded | |
| Kecamatan Simpang Empat | no seat recorded | |
| Kecamatan Simuk | no seat recorded | |
| Kecamatan Sinembah Tanjung Muda Hilir | no seat recorded | |
| Kecamatan Sinembah Tanjung Muda Hulu | no seat recorded | |
| Kecamatan Sinunukan | no seat recorded | |
| Kecamatan Sipahutar | no seat recorded | |
| Kecamatan Sipirok | no seat recorded | |
| Kecamatan Sipispis | no seat recorded | |
| Kecamatan Sipoholon | no seat recorded | |
| Kecamatan Sirandorung | no seat recorded | |
| Kecamatan Sirombu | no seat recorded | |
| Kecamatan Sitahuis | no seat recorded | |
| Kecamatan Sitellu Tali Urang Jehe | no seat recorded | |
| Kecamatan Sitellu Tali Urang Julu | no seat recorded | |
| Kecamatan Sitinjo | no seat recorded | |
| Kecamatan Sitio-tio | no seat recorded | |
| Kecamatan Sitolu Ori | no seat recorded | |
| Kecamatan Sogae’adu | no seat recorded | |
| Kecamatan Somambawa | no seat recorded | |
| Kecamatan Somolo-Molo | no seat recorded | |
| Kecamatan Sorkam | no seat recorded | |
| Kecamatan Sorkam Barat | no seat recorded | |
| Kecamatan Sosa | no seat recorded | |
| Kecamatan Sosopan | no seat recorded | |
| Kecamatan Sosorgadong | no seat recorded | |
| Kecamatan Stabat | no seat recorded | |
| Kecamatan Suka Bangun | no seat recorded | |
| Kecamatan Sumbul | no seat recorded | |
| Kecamatan Sungai Kanan | no seat recorded | |
| Kecamatan Sunggal | no seat recorded | |
| Kecamatan Susua | no seat recorded | |
| Kecamatan Talawi | no seat recorded | |
| Kecamatan Tambangan | no seat recorded | |
| Kecamatan Tampahan | no seat recorded | |
| Kecamatan Tanah Jawa | no seat recorded | |
| Kecamatan Tanah Masa | no seat recorded | |
| Kecamatan Tanah Pinem | no seat recorded | |
| Kecamatan Tanjung Balai | no seat recorded | |
| Kecamatan Tanjung Balai Selatan | no seat recorded | |
| Kecamatan Tanjung Balai Utara | no seat recorded | |
| Kecamatan Tanjung Beringin | no seat recorded | |
| Kecamatan Tanjung Morawa | no seat recorded | |
| Kecamatan Tanjung Pura | no seat recorded | |
| Kecamatan Tanjung Tiram | no seat recorded | |
| Kecamatan Tano Tombangan Angkola | no seat recorded | |
| Kecamatan Tapian Dolok | no seat recorded | |
| Kecamatan Tapian Nauli | no seat recorded | |
| Kecamatan Tarabintang | no seat recorded | |
| Kecamatan Tarutung | no seat recorded | |
| Kecamatan Tebing Syahbandar | no seat recorded | |
| Kecamatan Tebing Tinggi | no seat recorded | |
| Kecamatan Teluk Dalam | no seat recorded | |
| Kecamatan Teluk Dalam | no seat recorded | |
| Kecamatan Teluk Mengkudu | no seat recorded | |
| Kecamatan Teluk Nibung | no seat recorded | |
| Kecamatan Tiga Binanga | no seat recorded | |
| Kecamatan Tiga Lingga | no seat recorded | |
| Kecamatan Tiganderket | no seat recorded | |
| Kecamatan Tiga Panah | no seat recorded | |
| Kecamatan Tinada | no seat recorded | |
| Kecamatan Tinggi Raja | no seat recorded | |
| Kecamatan Toma | no seat recorded | |
| Kecamatan Torgamba | no seat recorded | |
| Kecamatan Tugala Oyo | no seat recorded | |
| Kecamatan Tuhemberua | no seat recorded | |
| Kecamatan Tukka | no seat recorded | |
| Kecamatan Ujung Batu | no seat recorded | |
| Kecamatan Ujung Padang | no seat recorded | |
| Kecamatan Uluan | no seat recorded | |
| Kecamatan Ulugawo | no seat recorded | |
| Kecamatan Ulu Idanotae | no seat recorded | |
| Kecamatan Ulu Moro’o | no seat recorded | |
| Kecamatan Ulunoyo | no seat recorded | |
| Kecamatan Ulu Pungkut | no seat recorded | |
| Kecamatan Ulususua | no seat recorded | |
| Kecamatan Umbunasi | no seat recorded | |
| Kecamatan Wampu | no seat recorded | |
| Kota Binjai | Binjai | 300 k |
| Kota Gunungsitoli | Gunungsitoli | 135 k |
| Kota Medan | Medan | 2.2 M |
| Kota Padangsidimpuan | no seat recorded | 200 k |
| Kota Pematang Siantar | no seat recorded | 235 k |
| Kota Sibolga | no seat recorded | 84 k |
| Kota Tanjung Balai | no seat recorded | 180 k |
| Kota Tebing Tinggi | no seat recorded | 178 k |
| South Tapanuli Regency | Sipirok | 307 k · 4 localities |