Today, it houses about 4,400 citizens (including about 600 people not registered as residentials of the suburb). Südstadt is the second-smallest district of Heidelberg by population, after Schlierbach.
Today, it has about 4,400 inhabitants (including approximately 600 people who are not registered residents). Südstadt is the second-least populous district by population among those in Heidelberg, after Schlierbach.