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Yamhill County, Oregon

Yamhill County
Yamhill County Courthouse in McMinnville
Yamhill County Courthouse in McMinnville
Map of Oregon highlighting Yamhill County
Location within the U.S. state of Oregon
Map of the United States highlighting Oregon
Oregon's location within the U.S.
Coordinates: 45°14′N 123°19′W / 45.23°N 123.31°W / 45.23; -123.31
Country United States
State Oregon
FoundedJuly 5, 1843
Named forYamhela people of the Kalapuya
SeatMcMinnville
Largest cityMcMinnville
Area
 • Total
718 sq mi (1,860 km2)
 • Land716 sq mi (1,850 km2)
 • Water2.5 sq mi (6 km2)  0.3%
Population
 (2020)
 • Total
107,722
 • Estimate 
(2023)
108,644 Increase
 • Density139/sq mi (54/km2)
Time zoneUTC−8 (Pacific)
 • Summer (DST)UTC−7 (PDT)
Congressional district6th
Websitewww.co.yamhill.or.us

Yamhill County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 107,722.[1] The county seat is McMinnville.[2] Yamhill County was named after the Yamhelas, members of the Kalapuya Tribe.[3]

Yamhill County is part of the Portland-Vancouver-Hillsboro, OR-WA Metropolitan Statistical Area. It is in the Willamette Valley.

  1. ^ "State & County QuickFacts". United States Census Bureau. Retrieved May 15, 2023.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ "Yamhill County | Yamhill County, Oregon". Secretary of State: Oregon Blue Book. Retrieved November 10, 2021.

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