CREATE TABLE table_61534 ("Official Name" TEXT, "Status" TEXT, "Area km 2" FLOAT, "Population" FLOAT, "Census Ranking" TEXT)

What is the population of the parish with a census ranking of 579 of 5,008?
SELECT SUM("Population") FROM table_61534 WHERE "Census Ranking" = '579 of 5,008'
SELECT SUM("Population") FROM "table_61534" WHERE "Census Ranking" = '579 of 5,008'