The village covers an area of 23.87 square kilometres ( 9.22 sq mi ) , and as of 2009 its total population is 1,560 .
Today , Niwiska has two schools , a civic center , a health clinic , a fire station and a post office .
The village covers an area of 23.87 square kilometres ( 9.22 sq mi ) , and as of 2009 Niwiska 's total population is 1,560 .
Today , Niwiska has two schools , a civic center , a health clinic , a fire station and a post office .