DescriptionMclaren Vale is a suburb of Adelaide, South Australia and is about 33 kms south of SA's capital city of Adelaide. In the 2011 Australian census the population of Mclaren Vale was 3,861 when there were 1,970 Females and 1,891 Males living there. The median age for people living in Mclaren Vale was 44. McLaren Vale (postcode 5171) is a township in South Australia. At the 2011 census, McLaren Vale had a population of 3,861. The McLaren Vale wine region surrounds the town.