For every 100 females age 18 and over, there were 96.4 males. For every 100 females, there were 102.20 males. The median age was 34 years. About 9.0% of families and 12.7% of the population were below the In the United States House of Representatives, Yamhill County lies in Although located west of the Cascades, Yamhill has remained a solidly Republican county in Presidential elections at the same time as other Western Oregon counties have become solidly to powerfully Democratic. Express Employment Professionals, Stoller Family Estates, and Xenium are the lead sponsors for the upcoming 2020 Air Show.The major industries of the county are agriculture, forest products, manufacturing, and education. The The John Marion Bunn House and Lee Laughlin House are both listed on the ‡This populated place also has portions in an adjacent county or counties The earliest known inhabitants of the area were the Yamhill (Yamhelas Indian Tribe, part of the Kalapooian familyThe earliest non-native settlers were employees of the various fur companies operating in There were 28,732 households out of which 37.40% had children under the age of 18 living with them, 60.00% were 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 population was 1,024 at the 2010 census. They are one of the tribes incorporated into the Confederated Tribes of the Grand Ronde. Yamhill County's economy is supported largely by its many unionized facilities such as Cascade Steel in McMinnville and Decommissioned White Birch Paper now owned by Yamhill County ranks seventh out of Oregon's thirty-six counties in annual market value of its agricultural production.Yamhill County Institutions of Higher Education (IHEs) include ‡This populated place also has portions in an adjacent county or counties

Located in the northern part of the county, it is situated at the intersection of Oregon Route 47 and Oregon Route 240. In 1857 they were forced to migrate to the Grand Ronde Indian Reservation created in Oregon's Coastal Range two years earlier. Of the 34,726 households, 35.8% had children under the age of 18 living with them, 56.0% were married couples living together, 11.1% had a female householder with no husband present, 28.0% were non-families, and 21.7% of all households were made up of individuals. Yamhill is a city in Yamhill County, Oregon, United States. Originally named North Yamhill, it was incorporated under that name by the Oregon Legislative Assembly on February 20, 1891. No Democratic Presidential candidate has won Yamhill County since In 2019 the Oregon International Air Show switched to the McMinnville Municipal Airport. The gender makeup of the city was 49.4% male and 50.6% female. For every 100 females, there were 98.0 males. 27.7% of residents were under the age of 18; 6.8% were between the ages of 18 and 24; 25.6% were from 25 to 44; 31% were from 45 to 64; and 8.9% were 65 years of age or older. There were 256 households out of which 46.5% had children under the age of 18 living with them, 65.6% were married couples living together, 10.5% had a female householder with no husband present, and 19.1% were non-families.

The median age was 32 years. Males had a median income of $44,946 versus $33,717 for females. In the city, the population was spread out with 31.7% under the age of 18, 10.7% from 18 to 24, 27.6% from 25 to 44, 22.8% from 45 to 64, and 7.2% who were 65 years of age or older. The average household size was 3.10 and the average family size was 3.43. Males had a median income of $38,661 versus $24,583 for females. For every 100 females age 18 and over, there were 101.30 males. The median income for a household in the city was $49,688, and the median income for a family was $52,344. Since 1988 more than $3 million has donated back throughout McMinnville (Yamhill County), Hillsboro (Washington County), and throughout Oregon. 16.4% of all households were made up of individuals and 7.8% had someone living alone who was 65 years of age or older. This region experiences warm (but not hot) and dry summers, with no average monthly temperatures above 71.6 °F (22.0 °C). The Air Show promotes aviation while honoring the military and veterans. The average household size was 2.70 and the average family size was 3.12. In addition to the economic surge provided by the Air Show, the Oregon International Air Show involves the community and provides grants for McMinnville.