Tacoma is a mid-sized urban port city and the county seat of Pierce County, Washington, United States. The city is on Washington's Puget Sound, 32 miles (51 km) southwest of Seattle (of which it is the largest satellite city), 31 miles (50 km) northeast of the state capital, Olympia, and 58 miles (93 km) northwest of Mount Rainier National Park. The population was 191,704, according to the 2010 census. Tacoma is the second-largest city in the Puget Sound area and the third-largest in the state. Tacoma also serves as the center of business activity for the South Sound region, which has a population of around 1 million.
As of the census of 2010, there were 198,397 people, 78,541 households, and 45,716 families residing in the city. The population density was 3,864.9 inhabitants per square mile (1,492.2/km2). There were 81,102 housing units at an average density of 1,619.4 per square mile (625.3/km2).
As of 2000, the median income for a household in the city was $37,879, and the median income for a family was $45,567. Males had a median income of $35,820, versus $27,697 for females. The per capita income for the city was $19,130. About 11.4% of families and 15.9% of the population were below the poverty line, including 20.6% of those under the age of 18 and 10.9% of those 65 and older.