Complex sentence: As of the census of 2010, there were 12.512 people, 5,359 households, and 3,238 families residing in the city out of which 23.4% had children under the age of 18 living with them.
Split into simpler sentences: As of the census of 2010, there were 12.512 people, 5,359 households, and 3,238 families residing in the city. There were 5,359 households out of which 23.4% had children under the age of 18 living with them.