Simplify the following text for a Grade 5 native English-speaking person.
Original: According to the 2001 census High Wycombe had a population of 92,300 , making it the largest town in the non-metropolitan county of Buckinghamshire now that Milton Keynes is a unitary authority area , and the second largest in the ceremonial county .
Simplified: It has a population of 92,300 . The town is the second largest town in Buckinghamshire after Milton Keynes .