Austin,_Texas | areaCode | 512, 737 Austin,_Texas | areaOfLand | 686.0 (square kilometres) Austin,_Texas | areaTotal | 703.95 (square kilometres) Austin,_Texas | populationDensity | 1296.65 (inhabitants per square kilometre)
Austin, Texas, covers an area of 703.95 square kilometres, 686 of which is land. The area codes for Austin are 512 and 737 and it has a population of 1296.65 people per sq km.