Number + 个 + 居民
居民 means "resident" or "inhabitant," referring to people who live in a particular place. It combines 居 (to reside) and 民 (people). Use it with a number and measure word to count people living in an area.
这个小区的居民大多数是年轻人。
Zhège xiǎoqū de jūmín dàduōshù shì niánqīngrén.
Most of the residents in this neighborhood are young people.
附近居民对新建的公园非常满意。
Fùjìn jūmín duì xīn jiàn de gōngyuán fēicháng mǎnyì.
The nearby residents are very satisfied with the newly built park.
这座城市有将近两千万居民。
Zhè zuò chéngshì yǒu jiāngjìn liǎngqiān wàn jūmín.
This city has nearly twenty million residents.