Wynnum North station opened in the 1930s or 1940s. On 15 October 1983, the line was electrified through the station from Park Road to Thorneside.
Wynnum North serves the homonymous suburb of Wynnum which was named after the aboriginal word describing a screw pine.
Wynnum North station has two platforms consisting of an island platform. Platform 1 is for outbound services and platform 2 is for inbound services.
Wynnum North station has four station entrances. Two are from the level crossing on Wynnum North Road, one is from Cameron Parade and one is from the walkway to Selina Street.
Wynnum North station does have disability access however assistance is required due to the level crossing.
There are bus stops nearby on Cameron Parade and Wynnum North Road serving nearby suburbs. The routes that serve Wynnum North are routes 223, 224 and N226.