Yamhill County, Oregon: Diversifying Metro county. In 2024, voted R+6%. Republican peak: R+43 in 1904.
Key facts
- 2024 presidential margin
- R+6MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 108,7342024 5-year
- Median household income
- $90,0632024 5-year
- White (non-Hispanic)
- 76.6%2024 5-year
- Black
- 0.7%2024 5-year
- Hispanic / Latino
- 17.6%2024 5-year
- Peak Democratic margin
- D+24 in 1964MIT Election Lab
- Peak Republican margin
- R+43 in 1904MIT Election Lab
- Most similar
- Polk County, OR · similarity 0.99
2024 results by precinct
2024 precinct map of Yamhill CountyPrecinct-level 2024 presidential results for Yamhill County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −24.7% |
| 1896 | −1.2% |
| 1900 | −11.5% |
| 1904 | −42.6% |
| 1908 | −20.2% |
| 1912 | +1.6% |
| 1916 | −8.3% |
| 1920 | −25.4% |
| 1924 | −25.0% |
| 1928 | −37.1% |
| 1932 | +13.9% |
| 1936 | +20.0% |
| 1940 | +0.2% |
| 1944 | −5.5% |
| 1948 | −13.7% |
| 1952 | −35.0% |
| 1956 | −23.9% |
| 1960 | −20.0% |
| 1964 | +23.8% |
| 1968 | −17.1% |
| 1972 | −22.1% |
| 1976 | −5.1% |
| 1980 | −14.3% |
| 1984 | −25.0% |
| 1988 | −7.5% |
| 1992 | −1.7% |
| 1996 | −2.6% |
| 2000 | −13.9% |
| 2004 | −14.9% |
| 2008 | −1.4% |
| 2012 | −6.5% |
| 2016 | −8.1% |
| 2020 | −4.0% |
| 2024 | −6.1% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 26,011 | 29,536 | 57,802 | ||
| R | 27,174 | 29,551 | 58,923 | ||
| R | 19,301 | 23,250 | 48,753 | ||
| R | 19,260 | 22,045 | 42,907 | ||
| R | 20,797 | 21,390 | 43,526 | ||
| R | 17,572 | 23,839 | 42,142 | ||
| R | 14,254 | 19,193 | 35,539 | ||
| R | 13,078 | 13,900 | 31,135 | ||
| R | 11,148 | 11,693 | 31,406 | ||
| R | 11,423 | 13,321 | 25,388 | ||
| R | 9,450 | 15,797 | 25,351 | ||
| R | 8,694 | 12,054 | 23,568 | ||
| R | 8,881 | 9,885 | 19,620 | ||
| R | 6,008 | 9,660 | 16,509 | ||
| R | 5,487 | 7,936 | 14,285 | ||
| D | 8,949 | 5,508 | 14,463 | ||
| R | 5,528 | 8,295 | 13,829 | ||
| R | 5,253 | 8,555 | 13,808 | ||
| R | 4,472 | 9,332 | 13,872 | ||
| R | 4,794 | 6,379 | 11,528 | ||
| R | 5,067 | 5,672 | 11,037 | ||
| D | 5,566 | 5,545 | 11,207 | ||
| D | 5,366 | 3,443 | 9,596 | ||
| D | 4,798 | 3,584 | 8,719 | ||
| R | 2,382 | 5,248 | 7,721 | ||
| R | 2,015 | 3,803 | 7,160 | ||
| R | 2,353 | 4,102 | 6,895 | ||
| R | 3,342 | 4,010 | 8,028 | ||
| O | 1,378 | 1,312 | 4,196 | ||
| R | 1,246 | 1,980 | 3,634 | ||
| R | 652 | 2,004 | 3,174 | ||
| R | 1,235 | 1,583 | 3,024 | ||
| R | 1,736 | 1,782 | 3,724 | ||
| R | 682 | 1,469 | 3,183 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
17.5%
English
13.6%
Irish
10.3%
American
5.4%
Italian
3.4%
Scottish
3.0%
French
2.3%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 39.7 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$90,063
Yamhill County ranks in the top 10% of US counties.
Yamhill County$90,063
Oregon$83,011
United States$80,734
Yamhill County ranks in the top 10% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
10.3%
Child poverty is below the national average.
Children under 1813.5%
Working age (18–64)9.2%
Seniors (65+)10.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
86.1%
speak English only
Spanish11.3%
Other Indo-European1.2%
Asian & Pacific Islander1.1%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 70.6% of residents not counted as adherents by any reporting body.
Yamhill sits in Oregon's Willamette Valley wine region, where small cities like McMinnville anchor a population that has shifted modestly toward Republican margins over successive presidential cycles despite the area's agricultural and tourism economy drawing a mixed demographic.
The Democratic margin here reached twenty-four points in 1964. Between 2020 and 2024 the county moved two points toward the Republican candidate; the 2024 margin was six points.
A population of 108,734, a 77% non-Hispanic-white share, and a median household income of $90,063 describe the county. The county's voting pattern over the last decade is most similar to that of Polk County and Jackson County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Yamhill County, Oregon. Akashic. https://akashic.app/county/41071/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More diversifying metro counties
Frequently asked questions
How did Yamhill County, Oregon vote in 2024?
In 2024, Yamhill County, Oregon voted Republican by 6.1 points (R+6), carried by the Republican candidate. Out of 57,802 votes cast, 26,011 went Democratic and 29,536 went Republican.
What is Yamhill County, Oregon's political typology?
Akashic places Yamhill County, Oregon in the "Diversifying Metro" typology — Mid-size metropolitan counties growing more diverse and trending Democratic. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 4 times, Republican 29 times, and other 1 times.
When did Yamhill County, Oregon last vote Democratic?
The most recent presidential election in which Yamhill County, Oregon voted Democratic was 1964.
How many people live in Yamhill County, Oregon?
Yamhill County, Oregon has a population of 108,734 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Yamhill County, Oregon?
Median household income in Yamhill County, Oregon is $90,063 — above the national median of $80,734. The Oregon state median is $83,011.
What is the political history of Yamhill County, Oregon?
Akashic tracks 38 presidential elections in Yamhill County, Oregon from 1876 to 2024. Of those, 4 went Democratic and 29 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.