Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_21381 ( "Official Name" text, "Status" text, "Area km 2" text, "Population" real, "Census Ranking" text )

### Question ###
What is the area of the community with a population of 1209?

### Accurate SQL ###

SELECT "Area km 2" FROM table_21381 WHERE "Population" = '1209'