CREATE TABLE table_12584173_1 (population__glengallan_ VARCHAR, population__region_total_ VARCHAR)

How many population figures are given for Glengallen for the year when the region's total is 30554?
SELECT COUNT(population__glengallan_) FROM table_12584173_1 WHERE population__region_total_ = 30554
SELECT COUNT("population__glengallan_") FROM "table_12584173_1" WHERE "population__region_total_" = 30554