Population110,024 (July 1, 2025 Census estimate)
River Crossings And A Cultivated Valley
Yamhill County, OregonMcMinnville anchors Yamhill County, whose communities include Lafayette, Newberg, Dundee and Carlton. Agriculture and wine-growing contribute to its identity, while local museums and university connections provide other ways to understand a county rooted in Oregon’s earliest provisional-government period. The U.S. Census Bureau estimated 110,024 residents in Yamhill County, Oregon, on July 1, 2025. The county has approximately 716 square miles of land, according to the 2020 Census Gazetteer.
Yamhill County at a Glance
Population110,024 (July 1, 2025 Census estimate)
County SeatMcMinnville
Largest MunicipalityMcMinnville • Newberg • Dundee
Established1843 (organized; NACo County Explorer)
ZIP CodesWillamette Valley
Total Area, Including Water718.406 square miles, including water (2020 Census geography)
Major RoutesOR 99W • OR 18
Area Codes503 / 971Meet Local Businesses
Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.

Yamhill County
Yamhill was one of Oregon's original districts in 1843 and was named for the Yamhelas people. Lafayette served as the early seat near a useful river crossing before the move to McMinnville in 1889. Farming became central to the county's development, with later vineyards adding another chapter to its cultivated landscape. The move between seats adds an administrative story to the agricultural setting. Earlier Indigenous place names also remind readers that provisional government was one historical layer, not the beginning of the region.
Connect McMinnville with Lafayette to follow the county-seat story, or choose a museum and one agricultural destination for a different outing. The valley's towns are distinct places, so leave room for their individual character rather than treating the county solely as a wine route. Use the two county seats to frame a historical route, or limit an agricultural outing to a few confirmed destinations. Individual town stories deserve time beyond a quick stop between businesses.
What Shapes Us
Local Character
Agriculture and wine-growing contribute to its identity, while local museums and university connections provide other ways to understand a county rooted in Oregon's earliest provisional-government period.
Community History
Yamhill was one of Oregon's original districts in 1843 and was named for the Yamhelas people. Lafayette served as the early seat near a useful river crossing before the move to McMinnville in 1889.
Explore Locally
Connect McMinnville with Lafayette to follow the county-seat story, or choose a museum and one agricultural destination for a different outing.
Yamhill County
Places and perspectives from Yamhill County
In the first full day of loss, Bend learns more about Silver Rail shooting, mourns the victims
As Bend residents come together to mourn and ask what comes next, OPB journalists are in Central Oregon.…
Read the Story Oct 17, 2026 • 2 min readAround Yamhill County
Stories from every corner of Yamhill County.
In the first full day of loss, Bend learns more about Silver Rail shooting, mourns the victims
As Bend residents come together to mourn and ask what comes next, OPB journalists are in Central Oregon.…
Oct 17, 2026 • 2 min readOPB’s First Look: New details emerge in Bend school shooting
Multiple people tried to stop the shooter, police said. Here’s your First Look at Saturday’s news.
Oct 17, 2026 • 2 min read
Zelenskyy urges support for new US sanctions on Russia after Trump puts them on hold
Zelenskyy described the move as unfortunate, adding it would encourage Russia to continue its assault. Trump told Congress…
Oct 17, 2026 • 2 min read
Scuffles and fires break out as protesters rally across France, joining students
Demonstrators across France converged with students Saturday to protest rising living costs, as the country's fiscal crisis deepens.
Oct 17, 2026 • 2 min read
Decades after apartheid, South Africans seek justice for crimes of the past
More than three decades after the end of apartheid, families of victims of some of the worst crimes…
Oct 17, 2026 • 2 min readMeet Local Businesses
Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.
Find the Right Local Connection
Start with the organization responsible for the service you need. Follow its official link for current requirements, office locations and availability.
Government
Criminals Impersonating City and County Officials in Phishing Emails for Planning and Zoning Permits
Schools
Public school contacts
Selected local schools from the NCES 2024-2025 directory. Contact the school or district to confirm enrollment, attendance boundaries and current services; this is not a complete school list.
Amity Elementary School – Elementary; grades KG-05. 300 Rice Ln, Amity, OR 97101. 503-835-3751.
Dayton Grade School – Elementary; grades KG-05. 526 Ferry St, Dayton, OR 97114. 503-864-2217.
Wascher Elementary School – Elementary; grades KG-05. 986 7th St, Lafayette, OR 97127. 503-565-5400.
Dundee Elementary School – Elementary; grades KG-05. 140 SW 5th, Dundee, OR 97115. 503-554-4850.
Faulconer-Chapman School – Elementary; grades KG-08. 332 SW Cornwall St, Sheridan, OR 97378. 971-261-6960.
Willamina Elementary School – Elementary; grades KG-05. 1100 Oaken Hills Dr, Willamina, OR 97396. 503-876-2374.
Yamhill Carlton Elementary School – Elementary; grades KG-03. 420 S Third St, Carlton, OR 97111. 503-852-7161.
Hospitals
Local hospital contacts
Facility contacts from the CMS Hospital General Information directory, updated July 22, 2026. Contact the facility directly to confirm current services and appointment arrangements.
Willamette Valley Medical Center – Acute Care Hospitals. 2700 Se Stratus Ave., Mcminnville, OR 97128. 503-472-6131.
Providence Newberg Medical Center – Acute Care Hospitals. 1001 Providence Drive, Newberg, OR 97132. 503-537-1555.
Public Safety
Emergency Services
For an immediate emergency, call 911. Find preparedness resources and official updates through Oregon government resources.
State Parks
Explore Oregon State Parks, park notices, and reservation information at stateparks.oregon.gov. Check the individual park before traveling.
Trails
Find walking and hiking destinations through stateparks.oregon.gov and fs.usda.gov. Check the managing agency for current trail access.
Utilities
Identify the provider serving your address before arranging service. Oregon utility consumer information is available at Oregon government resources.
Libraries
Local library contacts
Locations and public phone numbers are from the IMLS FY2024 Public Libraries Survey. Call the branch to confirm current hours and services before visiting.
Amity Public Library – 307 S Trade St, Amity, OR 97101. 503-835-8181.
Mary Gilkey Public Library – 416 Ferry St, Dayton, OR 97114. 503-864-2221.
Mcminnville Public Library – 225 Nw Adams St, Mcminnville, OR 97128. 503-435-5569.
Newberg Public Library – 503 E Hancock St, Newberg, OR 97132. 503-537-0304.
Sheridan Public Library – 142 Nw Yamhill St, Sheridan, OR 97378. 503-843-3420.
Willamina Public Library – 382 Ne C St, Willamina, OR 97396. 503-876-6182.
Courts
Find Oregon circuit courts, court locations, and public information at courts.oregon.gov.
DMV
Oregon — Schedule, Cancel or Change an Appointment
Oregon — Driver license applications for adults
Transportation
Yamhill County Transit Proposed Fare Policy & Service Adjustments
Postal Services
USPS location finder — Search by street address, city or ZIP Code for nearby post offices, collection boxes and available services.
USPS ZIP Code lookup — Find the mailing ZIP Code for a specific street address.
USPS Hold Mail — Arrange a temporary mail hold and review identity-verification requirements.
USPS change of address and forwarding — Review forwarding options and submit an address-change request through USPS.
USPS package pickup — Check pickup availability for your address and schedule eligible shipments.
Veterans
National services available to local residents
VA accredited representatives — Find help with VA claims and benefit applications.
VA health care applications — Review application options and supporting information.
VA disability claims — Find the official steps for submitting a disability claim.
GI Bill and education benefits — Review how to apply for VA education benefits.
Veteran career and employment support — Explore VA employment, training and career assistance.
Employment
National services available to local residents
USAJOBS federal employment — Search federal openings by location and occupation.
Apprenticeship Finder — Search apprenticeship opportunities by location and occupation.
My Next Move career exploration — Explore occupations, industries and career interests.
Government job-training resources — Find routes to state training programs and support for different job seekers.
Unemployment benefit guidance — Find your state program and its application and eligibility information.
Get to Know Yamhill County
Useful answers for residents, visitors and anyone planning their next step.
Yamhill County Questions, Answered
Explore practical details about the county and the organizations that serve it.
110,024 (July 1, 2025 Census estimate). This is a dated Census Bureau estimate, rather than a live resident count.
718.406 square miles, including water (2020 Census geography). The total combines land and water area.
Start with Commissioners, linked from the government source used for this county. Check that page for current details before visiting or submitting a request.
Start with Veterans Services, linked from the government source used for this county. Check that page for current details before visiting or submitting a request.
Start with Yamhill County Transit Proposed Fare Policy & Service Adjustments, linked from the government source used for this county. Check that page for current details before visiting or submitting a request.
Start with Sheriff’s Office, linked from the government source used for this county. Check that page for current details before visiting or submitting a request.
Start with these official Oregon resources: Schedule, Cancel or Change an Appointment; Driver license applications for adults; Offices. Choose the page for the service you need, then check its office or online instructions before making a trip. These links cover state services; they do not establish that every transaction is available at a county office.
Use USPS ZIP Code Lookup for the mailing ZIP Code of a specific street address. Use the USPS location finder to search for nearby postal facilities and available services. An address lookup is more useful for mailing than assuming the entire county shares one ZIP Code.
Search USAJOBS for federal positions and the Apprenticeship Finder for apprenticeship opportunities, using location filters to narrow the results. USAGov job-training guidance points to training programs and state resources. Check each listing for current availability, eligibility and application instructions; a search result does not guarantee an opening in the county.
Yamhill was one of Oregon’s original districts in 1843 and was named for the Yamhelas people. Lafayette served as the early seat near a useful river crossing before the move to McMinnville in 1889. Farming became central to the county’s development, with later vineyards adding another chapter to its cultivated landscape. The move between seats adds an administrative story to the agricultural setting. Earlier Indigenous place names also remind readers that provisional government was one historical layer, not the beginning of the region.
Connect McMinnville with Lafayette to follow the county-seat story, or choose a museum and one agricultural destination for a different outing. The valley’s towns are distinct places, so leave room for their individual character rather than treating the county solely as a wine route. Use the two county seats to frame a historical route, or limit an agricultural outing to a few confirmed destinations. Individual town stories deserve time beyond a quick stop between businesses.
Meet Local Businesses
Support the businesses that help make our communities thrive. From family-owned shops and restaurants to trusted local services, discover businesses worth visiting throughout the county.
Explore Yamhill County
Places to visitStart with these local landmarks, outdoor destinations and community places in Yamhill County.
- Evergreen Aviation & Space Museum
- Yamhill County Historical Museum
- Hoover-Minthorn House
- Rogers Landing
- historic downtowns
Explore the Yamhill County profile in the Oregon Blue Book
County photograph: Gary Halvorson, Oregon State Archives. County profile and map: Oregon Secretary of State.

