Pierce County | |
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![]() Old City Hall in Tacoma | |
![]() Location within the U.S. state of Washington | |
![]() Washington's location within the U.S. | |
Coordinates: 47°03′N 122°07′W / 47.05°N 122.11°W | |
Country | ![]() |
State | ![]() |
Founded | December 22, 1852 |
Named for | Franklin Pierce |
Seat | Tacoma |
Largest city | Tacoma |
Area | |
• Total | 1,806 sq mi (4,680 km2) |
• Land | 1,670 sq mi (4,300 km2) |
• Water | 137 sq mi (350 km2) 7.6% |
Population (2020) | |
• Total | 921,130 |
• Density | 510/sq mi (200/km2) |
Time zone | UTC−8 (Pacific) |
• Summer (DST) | UTC−7 (PDT) |
Congressional districts | 6th, 8th, 10th |
Website | www |
Pierce County is a county in the U.S. state of Washington. As of the 2020 Census, the population was 921,130,[1] making it the second-most populous county in Washington behind King County. The county seat and largest city is Tacoma.[2]