Yamhill County, Oregon

Yamhill County is a located in the  of. According to , the origin of the name is uncertain, but is probably from an explorer's name for a local tribe, the, who are part of the North n family. The 2004 population estimate for Yamhill County is 90,723, up from 84,992 in the. The is located at.

Economy
Yamhill County ranks seventh out of Oregon's thirty-six counties in annual market value of its agricultural production. This agricultural production includes, , , and , with 13,201 acres (53 km²) in planted in s. One-third of the county is covered with commercial , and the economic mainstay of the western part of the county is  and timber products.

Yamhill County is also the center of Oregon's industry, having the largest area of any Oregon county planted in s. Over 80 wineries and 200 vineyards represent the largest concentration in any county in the state. produced in the county rivals the best in the world. Others varieties grown include, , , , and.

The county's proximity to has led to a local workforce of which nearly 20%  to the.

Geography
According to the, the county has a total area of 1,861 (718 ). 1,853 km² (716 sq mi) of it is land and 7 km² (3 sq mi or 0.39%) of it is water.

The tallest mountain in the county is in the northwest corner of the county.

Adjacent Counties

 * - (east)
 * - (southeast)
 * - (south)
 * - (west)
 * - (north)

Demographics
As of the of 2000, there were 84,992 people, 28,732 households, and 21,376 families residing in the county. The was 46/km² (119/sq mi). There were 30,270 housing units at an average density of 16/km² (42/sq mi). The makeup of the county is 88.98%, 1.47% , 1.07% , 0.85%  or , 0.12% , 5.08% from , and 2.42% from two or more races. 10.61% of the population were or  of any race.

There were 28,732 households out of which 37.40% had children under the age of 18 living with them, 60.00% were 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  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 for the county was $18,951. About 6.00% of families and 9.20% of the population were below the, including 10.10% of those under age 18 and 7.50% of those age 65 or over.

History
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 s incorporated into the. In they were forced to migrate to the  created in Oregon's  two years earlier.

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

Yamhill County was created in, , five years before the was established. It was one of the original four districts created by Oregon's first, along with Twality (later ), , and Champooick (later ) counties. The district was originally over 12,000 square miles, an area that was broken up into twelve present-day counties.

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

The was a  air defense installation from 1956 to 1980. Located next to Tillamook County, at the top of 3154 foot high, Air Force radars operated by the and the  were essential parts of the nation's integrated air defenses. The large protecting the radars from adverse weather effects could be seen silhouetted against the sky from many parts of Yamhill County.

Incorporated cities

 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)
 * (on Polk-Yamhill county border)

Unincorporated communities

 * Eola Village
 * Keona
 * Orchard View
 * Pleasantdale
 * (area located within the eastern section of the city of Newberg)
 * Unionvale
 * Keona
 * Orchard View
 * Pleasantdale
 * (area located within the eastern section of the city of Newberg)
 * Unionvale
 * Pleasantdale
 * (area located within the eastern section of the city of Newberg)
 * Unionvale
 * (area located within the eastern section of the city of Newberg)
 * Unionvale
 * Unionvale