Simplify the following text for a Grade 7 native English-speaking person.
Original: In 1787 , Pichilemu held 1,688 inhabitants , and the population rose to 7,787 inhabitants by 1907 .
Simplified: In 1787 , Pichilemu had 1,688 inhabitants . In 1907 , Pichilemu had 7,787 inhabitants .