The 2008 Queensland Local Government amalgamations saw former suburbs of Beaudesert Shire including Park Ridge South becoming part of Logan City.

[citation needed] In the 2011 census, Park Ridge South recorded a population of 1,778 people, 49% female and 51% male.

[6] 84.2% of people spoke only English at home; the next most common languages were 1.7% Khmer, 1.5% Mandarin, 1.1% Hmong, 1% Croatian, 0.7% Italian.

84.7% of people spoke only English at home; the next most common languages were 2.0% Mandarin, 1.2% Khmer, 0.9% Croatian, 0.9% Hmong and 0.6% Italian.

83.3% of people spoke only English at home; the next most common languages were 2.4% Mandarin, 1.4% Hmong, 1.0% Arabic, 1.0% Croatian, 1.0% and Khmer.