Shin-nakano Station is served by the Tokyo Metro Marunouchi Line from Ogikubo to Ikebukuro, and is 19.6 km from the eastern terminus of the Line at Ikebukuro.

The station consists of two underground side platforms serving two tracks on the first basement level.

The platforms each have sets of ticket barriers at either end.

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

[3] In fiscal 2011, the station was used by an average of 31,125 passengers daily.