County Maps US

Yamhill County, Oregon

A county in Oregon, ranked 10 of 36 by population.

CountyFIPS 41071

Within Oregon
Yamhill County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks McMinnville, the county seat, located via the 2025 Census Gazetteer.

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Population
110,024
+2,332 (+2.2%) since 2020
Land area
715.9
square miles. A further 0.3% of the total area is water
Population density
154
people per square mile, computed rather than published
County seat
McMinnville
Seat of county government.
Established
1843
182 years ago
Largest city
McMinnville city
Population 34,647.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Yamhill County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Yamhill County, Oregon from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 475 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Yamhill County ranks

Position among the 36 counties of Oregon, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn OregonNationally
Population110,02410th of 36579th of 3,144
Land area715.9 sq mi32nd of 361,267th of 3,144
Population density154 per sq mi5th of 36687th of 3,144
Median household income$90,0634th of 36296th of 3,143

Full data for Yamhill County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population110,024Vintage 2025 Population Estimates
Population in 2020107,692Vintage 2025 Population Estimates
2020 estimates base?107,722Vintage 2025 Population Estimates
Land area715.9 sq mi2025 Gazetteer Files
Water area2.5 sq mi2025 Gazetteer Files
Total area718.4 sq mi2025 Gazetteer Files
Population density?154 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$90,063American Community Survey 2020-2024 5-Year Estimates
Median home value$471,700American Community Survey 2020-2024 5-Year Estimates
Median age39.7American Community Survey 2020-2024 5-Year Estimates
Households39,247American Community Survey 2020-2024 5-Year Estimates
Housing units41,200American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-108
984 births, 1,092 deaths
Net migration
+58
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 5 areas bordering Yamhill County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Tillamook CountyOregon43 mi27,384
Washington CountyOregon37 mi611,708
Polk CountyOregon32 mi90,037
Marion CountyOregon30 mi355,777
Clackamas CountyOregon4.9 mi426,280

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 36 counties of Oregon

Open the interactive Oregon county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.