Shimo-Igusa Station opened on 16 April 1927.[1] Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Shimo-Igusa Station becoming "SS10".[2]
Passenger statistics
In fiscal 2013, the station was the 45th busiest on the Seibu network with an average of 23,764 passengers daily.[3]
The passenger figures for previous years are as shown below.
^Terada, Hirokazu (19 January 2013). データブック日本の私鉄 [Databook: Japan's Private Railways]. Japan: Neko Publishing. p. 226. ISBN978-4-7770-1336-4.
^西武線全駅で駅ナンバリングを導入します [Station numbering to be introduced at all Seibu stations] (PDF). News Release (in Japanese). Japan: Seibu Railway. 23 February 2012. Archived from the original(PDF) on 2015-09-24. Retrieved 2 April 2013.
^ abc駅別乗降人員 2013(平成25)年度 1日平均 [Average daily station usage figures (fiscal 2013)] (PDF) (in Japanese). Japan: Seibu Railway. Archived from the original(PDF) on 14 July 2014. Retrieved 17 July 2014.
^ ab駅別乗降人員 2010(平成22)年度 1日平均 [Average daily station usage figures (fiscal 2010)] (PDF) (in Japanese). Japan: Seibu Railway. Archived from the original(PDF) on 26 June 2011. Retrieved 17 July 2014.
^駅別乗降人員 2011(平成23)年度 1日平均 [Average daily station usage figures (fiscal 2011)] (PDF) (in Japanese). Japan: Seibu Railway. Archived from the original(PDF) on 1 November 2012. Retrieved 17 July 2014.