According to the CASEN 2002 census , 544 inhabitants ( 4.4 % ) of the population of Pichilemu live in extreme poverty compared to the average in the greater Region of O'Higgins of 4.5 % , and 1,946 inhabitants ( 15.7 % ) live in mild poverty , compared to the regional average of 16.1 % . According to the CASEN 2002 census , 544 inhabitants ( 4.4 % ) of the population live in extreme poverty compared to the average in the greater O'Higgins Region of 4.5 % , and 1,946 inhabitants ( 15.7 % ) live in mild poverty , compared to the regional average of 16.1 % .