By having lots of babies :)
High Shincliffe's population is 42,939.
The population of High Halstow is 1,781.
High Ongar's population is 1,171.
The population of High Wych is 443.
High Littleton's population is 2,086.
The population of High Wycombe is 92,300.
The population of High Bickington is 700.
High Lane's population is 5,852.
High Legh's population is 1,632.
The population of High Laver is 491.
The population of High Halden is 1,463.
The population of High Hoyland is 142.