Peru's population density is 24.2 people per square mile. This makes Peru an uncrowded country. Peru is 186 in the world for population density. Peru's population growth rate is 1.3%, this means Peru is about average. The fertility rate in Peru is 2.46 births per woman. 5 of Peru's largest cities are Lima, Arequipa, Callao, Trujillo, and Chiclayo.