The Number of Passengers on Ichigaya as recorded by the East Japan Railway Company Trains in 2017-2022 was 15,274 .

[1] The ground-level section of the station is managed by the East Japan Railway Company (JR East), and the underground sections are managed by Tokyo Metro and Tokyo Metropolitan Bureau of Transportation (Toei Subway).

Chūō Line (Rapid) services pass the station.

The original JNR (now JR East) station opened on 6 March 1895.

[3] The station facilities of the Yurakucho and Namboku Lines were inherited by Tokyo Metro after the privatization of the Teito Rapid Transit Authority (TRTA) in 2004.