Complex sentence: Anderson Island has a land area of 20.06 km² (7.746 sq mi), and reported a population of exactly 900 persons as of the 2000 census, the island had been a retirement destination since the late 1960's, with a median age of 54 years.
Split into simpler sentences: Anderson Island has a land area of 20.06 km² (7.746 sq mi), and reported a population of exactly 900 persons as of the 2000 census. The island had been a retirement destination since the late 1960s, with a median age of 54 years.