CREATE TABLE table_2741 ("Rank" FLOAT, "Census-designated place" TEXT, "Metropolitan area" TEXT, "State" TEXT, "Population  ( 2000 census ) " FLOAT, "Land area  ( mi 2  ) " TEXT, "Population density  ( people per mi 2  ) " TEXT)

what is the total number of census designated places with a population of 10581?
SELECT COUNT("Census-designated place") FROM table_2741 WHERE "Population (2000 census)" = '10581'
SELECT COUNT("Census-designated place") FROM "table_2741" WHERE "Population (2000 census)" = '10581'