Complex sentence: As of the census of 2000, Sunset had 339 people, 133 households, and 90 families with a population density of 318.8 people per square mile (123.5/km²).
Split into simpler sentences: As of the census of 2000, there are 339 people, 133 households, and 90 families residing in the city. The population density is 318.8 people per square mile (123.5/km²).