Marion County, Oregon

Marion County is a county located in the U.S. state of Oregon. The population was 345,920 at the 2020 census.[1] It is the fifth-most populous county in Oregon. The county seat is Salem.[2]

Marion County, Oregon
Map
Map of Oregon highlighting Marion County
Location in the state of Oregon
Map of the USA highlighting Oregon
Oregon's location in the U.S.
Statistics
Founded July 5, 1843
Seat Salem
Largest City Salem
Area
 - Total
 - Land
 - Water

1,194 sq mi (3,092 km²)
1,184 sq mi (3,067 km²)
10 sq mi (26 km²), 0.85
Population
 -  Density


267/sq mi (103/km²)
Time zone Pacific: UTC-8/-7
Website: www.co.marion.or.us
Named for: Francis Marion

Marion County, Oregon Media

References

  1. "QuickFacts: Marion County, Oregon". United States Census Bureau. Retrieved January 20, 2024.
  2. "Find a County". National Association of Counties. Retrieved June 7, 2011.