Its total area is 590.39 square kilometres ( 227.95 sq mi ) , including the post-creation undefined boundary areas .
As of 1 June 2016 , the city had an estimated population of 54,104 , and a population density of 91.6 persons per km2 .
city 's total area is 590.39 square kilometres ( 227.95 sq mi ) , including the post-creation undefined boundary areas .
As of 1 June 2016 , the city had an estimated population of 54,104 , and a population density of 91.6 persons per km2 .