Auburn,_Washington | isPartOf | Pierce_County,_Washington Auburn,_Washington | areaTotal | 77.41 (square kilometres) Auburn,_Washington | country | United_States Auburn,_Washington | populationDensity | 914.8 (inhabitants per square kilometre) Auburn,_Washington | isPartOf | Washington_(state)
Auburn is located in Pierce County, part of the state of Washington in the United States. It has a total area of 77.41 sq km and has a population density of 914.8 people per sq km.