CREATE TABLE table_21375 ("Official Name" CLOB, "Status" CLOB, "Area km 2" CLOB, "Population" FLOAT, "Census Ranking" CLOB)

What rank is the parish with 482.81 km^2?
SELECT "Census Ranking" FROM table_21375 WHERE "Area km 2" = '482.81'
SELECT "Census Ranking" FROM "table_21375" WHERE "Area km 2" = '482.81'