Zhongshan (中山) is a city in the south of the Pearl River[?] Delta in Guangdongprovince in China. The city was originally a county named in honour of Dr. Sun Zhongshan. Dr. Sun was born Sun Yat-sen in Cuiheng Village (翠亨村) of this place.
... size is 3.06 and the average family size is 3.44.
In the town the population is spread out with 25.6% under the age of 18, 7.5% from 18 to 24, 33.8% from 25 to 44, ...