Oulu () is one of the 13 electoral districts of the Parliament of Finland, the national legislature of Finland. The district was established as Oulu Province South (; ) in 1907 when the Diet of Finland was replaced by the Parliament of Finland. It was renamed Oulu Province (; ) in 1939 and Oulu in 1997. It is conterminous with the regions of Kainuu and North Ostrobothnia. The district currently elects 18 of the 200 members of the Parliament of Finland using the open party-list proportional representation electoral system. At the 2023 parliamentary election it had 393,643 registered electors.
History
Oulu Province South was one 16 electoral districts established by the Election Act of the Grand Duchy of Finland (Suomen Suuriruhtinaanmaan Vaalilaki) passed by the Diet of Finland in 1906. It consisted of the hundreds (kihlakunta) of Haapajärvi, Kajaani , Saloinen and Oulu and the rural municipality (maalaiskunta) of Oulu in the province of Oulu. The district's borders were redrawn in 1938 to be conterminous with the smaller Oulu Province, absorbing parts of Oulu Province North district. The district was renamed Oulu Province at the same time. The district was renamed Oulu in 1997.
Electoral system
Oulu currently elects 18 of the 200 members of the Parliament of Finland using the open party-list proportional representation electoral system. Parties may form electoral alliances with each other to pool their votes and increase their chances of winning seats. However, the number of candidates nominated by an electoral alliance may not exceed the maximum number of candidates that a single party may nominate. Seats are allocated using the D'Hondt method.
Election results
Summary
(Figures in italics represent joint lists.)
Detailed
2020s
2023
Results of the 2023 parliamentary election held on 2 April 2023:
The following candidates were elected: Pekka Aittakumpu (Kesk), 7,240 votes; Juha Hänninen (Kok), 5,251 votes; Janne Heikkinen (Kok), 6,452 votes; Pia Hiltunen (SDP), 3,426 votes; Antti Kangas (PS), 5,566 votes; Tuomas Kettunen (Kesk), 7,264 votes; Merja Kyllönen (Vas), 5,317 votes; Hanna-Leena Mattila (Kesk), 6,405 votes; Timo Mehtälä (Kesk), 5,497 votes; Olga Oinas-Panuma (Kesk), 5,173 votes; Jenni Pitko (Vihr), 3,699 votes; Mikko Polvinen (PS), 4,291 votes; Hanna Sarkkinen (Vas), 6,758 votes; Jenna Simula (PS), 9,481 votes; Mari-Leena Talvitie (Kok), 5,573 votes; Tytti Tuppurainen (SDP), 12,272 votes; Sebastian Tynkkynen (PS), 17,378 votes; and Ville Vähämäki (PS), 4,927 votes.
2010s
2019
Results of the 2019 parliamentary election held on 14 April 2019:
The following candidates were elected: Pekka Aittakumpu (Kesk), 4,469 votes; Katja Hänninen (Vas), 4,145 votes; Janne Heikkinen (Kok), 4,136 votes; Olli Immonen (PS), 5,856 votes; Mikko Kinnunen (Kesk), 6,132 votes; Merja Kyllönen (Vas), 7,068 votes; Hanna-Leena Mattila (Kesk), 5,726 votes; Raimo Piirainen (SDP), 2,791 votes; Jenni Pitko (Vihr), 3,614 votes; Juha Pylväs (Kesk), 6,100 votes; Antti Rantakangas (Kesk), 4,478 votes; Hanna Sarkkinen (Vas), 11,153 votes; Jenna Simula (PS), 9,197 votes; Juha Sipilä (Kesk), 16,688 votes; Mari-Leena Talvitie (Kok), 5,909 votes; Tytti Tuppurainen (SDP), 9,404 votes; Sebastian Tynkkynen (PS), 9,271 votes; and Ville Vähämäki (PS), 5,072 votes.
2015
Results of the 2015 parliamentary election held on 19 April 2015:
The following candidates were elected: Hanna Halmeenpää (Vihr), 4,860 votes; Katja Hänninen (Vas), 6,007 votes; Olli Immonen (PS), 4,964 votes; Marisanna Jarva (Kesk), 5,347 votes; Niilo Keränen (Kesk), 5,696 votes; Timo V. Korhonen (Kesk), 5,180 votes; Pirkko Mattila (PS), 6,570 votes; Ulla Parviainen (Kesk), 4,523 votes; Juha Pylväs (Kesk), 5,861 votes; Antti Rantakangas (Kesk), 5,960 votes; Hanna Sarkkinen (Vas), 9,582 votes; Juha Sipilä (Kesk), 30,758 votes; Eero Suutari (Kok), 3,303 votes; Mari-Leena Talvitie (Kok), 4,556 votes; Tapani Tölli (Kesk), 9,369 votes; Tytti Tuppurainen (SDP), 7,661 votes; Ville Vähämäki (PS), 3,798 votes; and Mirja Vehkaperä (Kesk), 5,420 votes.
2011
Results of the 2011 parliamentary election held on 17 April 2011: