Complex sentence: None of the families and 2.2% of the population were below the poverty line, including 0.0% under the age of 18 and 6.1% ages 65 or older.
Split into simpler sentences: None of the families and 2.2% of the population were below the poverty line. Out of the total people living in poverty, 0.0% are under the age of 18 and 6.1% are 65 or older.