[7] A portion of Sinnamon Park was formerly part of the Wolston Estate, consisting of 54 farms on an area of 3,000 acres, offered for auction at Centennial Hall, Brisbane, on 16 October 1901.
[3] The land occupied by Sinnamon Village retirement complex and the river flats east of the Centenary Freeway were formerly their family farm.
61.1% of people living in Sinnamon Park were born in Australia, compared to the national average of 69.8%; the next most common countries of birth were England 5.3%, New Zealand 3%, India 2.7%, South Africa 2.5%, Vietnam 2.5%.
72.2% of people spoke only English at home; the next most common languages were 3.7% Vietnamese, 3% Mandarin, 2% Cantonese, 1.7% Hindi, 1.1% Persian (excluding Dari).
[6] The people of Sinnamon Park are represented in the Queensland Parliament by Jess Pugh, the ALP Member for Mount Ommaney.