There were 21,569 residential units in Sai Ying Poon. Major estates included Island Crest, Bohemian House, The Nova. According to the 2021 Population By-census, there were 51,157 residents. The median monthly household income was $25,250 and the median age was 44.3. (*The population statistics for the above regions are based on the data of 2021 Population By-census from Census and Statistics Department, and are derived from separate/combined individual districts based on Tertiary Planning Units (TPUs), and the district names are compiled by Midland Realty.)