Tokorozawa Station is served by the Seibu Ikebukuro Line from in Tokyo to Hannō, and by the Seibu Shinjuku Line from Seibu Shinjuku to Hon-Kawagoe in Saitama Prefecture. Some Ikebukuro Line services inter-run via the Tokyo Metro Yurakucho Line to and the Tokyo Metro Fukutoshin Line to and onward via the Tokyu Toyoko Line and Minato Mirai Line to . +more On the Seibu Ikebukuro Line, it is located between and , and is 24. 8 km from the Ikebukuro terminus. On the Seibu Shinjuku Line, it is located between and , and is 28. 9 km from the Seibu Shinjuku terminus.
All train services stop at this station.
The station opened on 21 March 1895. The station building was rebuilt in 2012, with the new station building opened on 8 March 2012. The former west entrance closed from this date.
Station numbering was introduced on all Seibu Railway lines during fiscal 2012, with Tokorozawa Station becoming "SS22" on the Seibu Shinjuku Line and "SI17" on the Seibu Ikebukuro Line.
In fiscal 2019, the station was the 7th busiest on the Seibu network with an average of 102,368 passengers daily. The passenger figures for previous years are as shown below.
|Fiscal year||Daily average|
Seibu Holdings head office * Seibu Bus head office
Seibu Railway Workshops (closed)
A Grand Emio was built around Tokorozawa Station. It is composed of around 120 stores. It was completed on September 2, 2020.