The manga titles serialized in the magazine are also published in tankōbon volumes under the Jump Comics SQ.

Shueisha reported that readers of Jump Square tend to range from 15 to 34 years of age.

[4] The title has three stated meanings: public square ("a plaza where comic lovers and talented artists and writers come together"), algebraic square (Weekly Shōnen Jump²), and "SQ = Supreme Quality" (referring to its "Supreme Quality Manga Magazine" motto).

In addition to the manga series, some issues include serialized light novel chapters from works published by the Jump j-Books label.

There are currently sixteen manga titles being regularly serialized in Jump Square.

[9] The first issue featured the collaborative effort between American comic writer Stan Lee and Hiroyuki Takei, called Karakuri Dôji Ultimo (using the Marvel Method).

[13] Three regulars: Sekai no Chūshin de Taiyō ni Hoeru, Tsumikabatsu, and Mahō no Ryōri Chaos Kitchen; were put in the SQ II magazine as their own SQ II exclusive one-shot, along with other one-shot like Missing Battery, Cross, or Alone Again.

which is completely based on Lee's American comics, mostly Amazing Fantasy (first Spider-Man, Iron Man, and The Hulk).