The province spans an area of 2,076.1 square kilometres (2,076 km2), the third largest in the Santiago Metropolitan Region. According to the 2002 census, Chacabuco was the least populous province in the region with a total population of 132,798. At that time, there were 99,201 people living in urban areas, 33,597 living in rural areas, 69,184 men, and 63,614 women.[1]