Yamhill County, Oregon

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Yamhill County, Oregon
Yamhill County Courthouse - McMinnville, Oregon.JPG
Yamhill County Courthouse
Map of Oregon highlighting Yamhill County
Location in the state of Oregon
Map of the United States highlighting Oregon
Oregon's location in the U.S.
Founded July 5, 1843
Seat McMinnville
Largest city McMinnville
Area
 • Total 718 sq mi (1,860 km2)
 • Land 716 sq mi (1,854 km2)
 • Water 2.8 sq mi (7 km2), 0.38%
Population
 • (2010) 99,193
 • Density 139/sq mi (53.5/km²)
Congressional district 1st
Time zone Pacific: UTC-8/-7
Website www.co.yamhill.or.us

Yamhill County is a county located in the Willamette Valley region of the U.S. state of Oregon. As of the 2010 census, the population was 99,193.[1] The county seat is McMinnville.[2] According to Oregon Geographic Names, the origin of the name is uncertain, but is probably from an explorer's name for a local Native American tribe, the Yamhill, who are part of the North Kalapuyan family.

Yamhill County is included in the Portland metropolitan area.

History[edit]

The earliest known inhabitants of the area were the Yamhill Indians, who have inhabited the area for over 8000 years. They are one of the tribes incorporated into the Confederated Tribes of the Grand Ronde. In 1857 they were forced to migrate to the Grand Ronde Indian Reservation created in Oregon's Coastal Range two years earlier.

The earliest non-native settlers were employees of the various fur companies operating in Oregon Country, who started settling there around 1814. But it was the establishment of the Oregon Trail that led to significant migration to the area.

Yamhill District (later county) was created on July 5, 1843, five years before the Oregon Territory was established. It was one of the original four districts created by Oregon's first Provisional Legislature, along with Twality (later Washington), Clackamas, and Champooick (later Marion) counties. The district was originally over 12,000 square miles (31,000 km2), an area that was broken up into twelve present-day counties.

Lafayette, the principal trading center of the western Willamette Valley in early Oregon history, was made the county seat in 1847. The county government was later (1889) moved to McMinnville where it remains today.

The Mount Hebo Air Force Station was a Cold War air defense installation from 1956 to 1980. Located next to Tillamook County, at the top of 3,154-foot (961 m) high Mount Hebo, Air Force radars operated by the 689th Radar Squadron and the 14th Missile Warning Squadron were essential parts of the nation's integrated air defenses. The large radomes protecting the radars from adverse weather effects could be seen silhouetted against the sky from many parts of Yamhill County.

Economy[edit]

Yamhill County ranks seventh out of Oregon's thirty-six counties in annual market value of its agricultural production.[citation needed] This agricultural production includes wheat, barley, horticulture, and dairy farming, with 13,201 acres (53 km²) in 1997 planted in orchards. One-third of the county is covered with commercial timber, and the economic mainstay of the western part of the county is logging and timber products.

Yamhill County is a significant focus of Oregon's wine industry, having the largest area of any Oregon county planted in vineyards. Six of the state's American Viticultural Areas are wholly or partly in the county: Chehalem Mountains AVA, Dundee Hills AVA, Eola-Amity Hills AVA, McMinnville AVA, Ribbon Ridge AVA, and Yamhill-Carlton District AVA. Over 80 wineries and 200 vineyards represent the largest concentration of wine growers and producers in any county in the state. Vineyards often specialize in Pinot noir, but other varieties grown include Pinot gris, Pinot blanc, Chardonnay, Riesling, and Gewürztraminer.

Geography[edit]

According to the U.S. Census Bureau, the county has a total area of 718 square miles (1,861 km²), of which 716 square miles (1,853 km²) is land and 7 km² (3 sq mi) (0.39%) is water.[3]

The tallest mountain in the county is Trask Mountain in the northwest corner of the county.[4]

Adjacent counties[edit]

National protected areas[edit]

Demographics[edit]

Historical population
Census Pop.
1860 3,245
1870 5,012 54.5%
1880 7,945 58.5%
1890 10,692 34.6%
1900 13,420 25.5%
1910 18,285 36.3%
1920 20,529 12.3%
1930 22,036 7.3%
1940 26,336 19.5%
1950 33,484 27.1%
1960 32,478 −3.0%
1970 40,213 23.8%
1980 55,332 37.6%
1990 65,551 18.5%
2000 84,992 29.7%
2010 99,193 16.7%
Est. 2012 100,255 1.1%
U.S. Decennial Census[5]
2012 Estimate[1]

As of the census[6] of 2000, there were 84,992 people, 28,732 households, and 21,376 families residing in the county. The population density was 119 people per square mile (46/km²). There were 30,270 housing units at an average density of 42 per square mile (16/km²). The racial makeup of the county is 88.98% White, 1.47% Native American, 1.07% Asian, 0.85% Black or African American, 0.12% Pacific Islander, 5.08% from other races, and 2.42% from two or more races. 10.61% of the population were Hispanic or Latino of any race. 19.6% were of German, 11.4% English, 9.5% American and 8.4% Irish ancestry according to Census 2000.

There were 28,732 households out of which 37.40% had children under the age of 18 living with them, 60.00% were married couples living together, 9.90% had a female householder with no husband present, and 25.60% were non-families. 19.70% of all households were made up of individuals and 8.40% had someone living alone who was 65 years of age or older. The average household size was 2.78 and the average family size was 3.17.

In the county, the population was spread out with 26.90% under the age of 18, 11.40% from 18 to 24, 28.50% from 25 to 44, 21.40% from 45 to 64, and 11.70% who were 65 years of age or older. The median age was 34 years. For every 100 females there were 102.20 males. For every 100 females age 18 and over, there were 101.30 males.

The median income for a household in the county is $44,111, and the median income for a family was $50,336. Males had a median income of $35,686 versus $25,254 for females. The per capita income for the county was $18,951. About 6.00% of families and 9.20% of the population were below the poverty line, including 10.10% of those under age 18 and 7.50% of those age 65 or over.

Communities[edit]

Incorporated cities[edit]

Unincorporated communities[edit]

Industry[edit]

The major industries of the county are agriculture, forest products, manufacturing, and education. Yamhill County's economy is supported largely by its many unionized facilities such as Cascade Steel in McMinnville and White Birch Paper in Newberg. It boasts a thriving wine industry and is the home of Evergreen Aviation.

Education[edit]

For tertiary education Yamhill County is served with Linfield College and Chemeketa Community College in McMinnville and George Fox University and Portland Community College in Newberg. For private secondary education the county is served by The Delphian School in Sheridan.

See also[edit]

Footnotes[edit]

  1. ^ a b "State & County QuickFacts". United States Census Bureau. Retrieved November 15, 2013. 
  2. ^ "Find a County". National Association of Counties. Retrieved 2011-06-07. 
  3. ^ "US Gazetteer files: 2010, 2000, and 1990". United States Census Bureau. 2011-02-12. Retrieved 2011-04-23. 
  4. ^ Peakbagger.com: Trask Mountain, Oregon
  5. ^ "U.S. Decennial Census". Census.gov. Retrieved November 15, 2013. 
  6. ^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31. 

Further reading[edit]

External links[edit]

Coordinates: 45°14′N 123°19′W / 45.23°N 123.31°W / 45.23; -123.31