Washington County, Minnesota: Realigning Affluent Suburb county. In 2024, voted D+9%. Republican peak: R+62 in 1904.
Key facts
- 2024 presidential margin
- D+9MIT Election Lab
- Political typology
- Realigning Affluent SuburbAkashic typology
- Population
- 276,2382024 5-year
- Median household income
- $115,3452024 5-year
- White (non-Hispanic)
- 78.1%2024 5-year
- Black
- 5.6%2024 5-year
- Hispanic / Latino
- 5.3%2024 5-year
- Peak Democratic margin
- D+34 in 1964MIT Election Lab
- Peak Republican margin
- R+62 in 1904MIT Election Lab
- Most similar
- Dakota County, MN · similarity 0.91
2024 results by precinct
2024 precinct map of Washington CountyPrecinct-level 2024 presidential results for Washington 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 | +15.6% |
| 1896 | −43.0% |
| 1900 | −39.1% |
| 1904 | −62.0% |
| 1908 | −40.4% |
| 1912 | +16.8% |
| 1916 | −13.8% |
| 1920 | −54.9% |
| 1924 | −44.2% |
| 1928 | −18.9% |
| 1932 | +22.7% |
| 1936 | +24.8% |
| 1940 | −3.2% |
| 1944 | −3.6% |
| 1948 | +16.8% |
| 1952 | −9.5% |
| 1956 | −12.3% |
| 1960 | +2.9% |
| 1964 | +34.3% |
| 1968 | +19.1% |
| 1972 | −8.4% |
| 1976 | +11.8% |
| 1980 | +5.3% |
| 1984 | −0.9% |
| 1988 | +6.2% |
| 1992 | +10.8% |
| 1996 | +15.8% |
| 2000 | −1.7% |
| 2004 | −3.4% |
| 2008 | +4.3% |
| 2012 | +0.8% |
| 2016 | +1.8% |
| 2020 | +9.2% |
| 2024 | +8.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 90,324 | 75,271 | 169,536 | ||
| D | 89,165 | 73,764 | 166,786 | ||
| D | 67,086 | 64,428 | 144,235 | ||
| D | 70,203 | 69,137 | 142,133 | ||
| D | 70,277 | 64,334 | 137,059 | ||
| R | 61,395 | 65,751 | 128,449 | ||
| R | 49,637 | 51,502 | 107,009 | ||
| D | 45,119 | 31,219 | 88,057 | ||
| D | 35,820 | 26,568 | 85,499 | ||
| D | 34,952 | 30,850 | 66,415 | ||
| R | 28,527 | 29,046 | 57,942 | ||
| D | 25,634 | 22,718 | 54,902 | ||
| D | 26,454 | 20,716 | 48,583 | ||
| R | 16,102 | 19,142 | 36,098 | ||
| D | 16,449 | 10,921 | 28,954 | ||
| D | 18,108 | 8,850 | 27,022 | ||
| D | 11,870 | 11,202 | 23,133 | ||
| R | 7,462 | 9,562 | 17,056 | ||
| R | 7,768 | 9,408 | 17,240 | ||
| D | 8,039 | 5,686 | 13,970 | ||
| R | 5,599 | 6,014 | 11,679 | ||
| R | 6,288 | 6,710 | 13,052 | ||
| D | 6,768 | 3,863 | 11,710 | ||
| D | 6,413 | 3,996 | 10,656 | ||
| R | 4,158 | 6,113 | 10,351 | ||
| R | 699 | 4,482 | 8,553 | ||
| R | 1,558 | 5,852 | 7,819 | ||
| R | 1,610 | 2,167 | 4,047 | ||
| O | 1,289 | 581 | 4,223 | ||
| R | 1,120 | 2,727 | 3,981 | ||
| R | 652 | 2,913 | 3,644 | ||
| R | 1,279 | 2,984 | 4,357 | ||
| R | 1,558 | 3,995 | 5,666 | ||
| D | 2,451 | 1,733 | 4,598 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
30.4%
Irish
12.3%
English
7.2%
Polish
4.2%
Italian
3.7%
French
3.5%
American
2.9%
African American
4.5%
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: 39.8 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
$115,345
Washington County ranks in the top 0.5% of US counties.
Washington County$115,345
Minnesota$89,062
United States$80,734
Washington County ranks in the top 0.5% 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
5.1%
Child poverty is below the national average.
Children under 185.0%
Working age (18–64)4.8%
Seniors (65+)9.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
87.5%
speak English only
Asian & Pacific Islander4.8%
Spanish3.4%
Other Indo-European2.3%
Other languages1.9%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 55.8% of residents not counted as adherents by any reporting body.
Washington County sits along the St. Croix River east of St. Paul, where steady population growth and a mix of established suburbs and newer exurban development have kept its presidential margins consistently single-digit Democratic over the past several cycles.
Once reliably Republican — a margin of sixty-two points in 1904 at its widest — Washington County has trended Democratic. The 2024 margin was nine points.
A median household income of $115,345 — among the higher at this geographic scale — and a population of 276,238 describe the county. The county's voting pattern over the last decade is most similar to that of Dakota County and Clark 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.
Washington County, Minnesota. Akashic. https://akashic.app/county/27163/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Washington County, Minnesota vote in 2024?
In 2024, Washington County, Minnesota voted Democratic by 8.9 points (D+9), carried by the Democratic candidate. Out of 169,536 votes cast, 90,324 went Democratic and 75,271 went Republican.
What is Washington County, Minnesota's political typology?
Akashic places Washington County, Minnesota in the "Realigning Affluent Suburb" typology — College-educated, affluent suburbs — the one bloc moving toward the Democratic Party. 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 17 times, Republican 16 times, and other 1 times.
When did Washington County, Minnesota last vote Republican?
The most recent presidential election in which Washington County, Minnesota voted Republican was 2004.
How many people live in Washington County, Minnesota?
Washington County, Minnesota has a population of 276,238 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Washington County, Minnesota?
Median household income in Washington County, Minnesota is $115,345 — above the national median of $80,734. The Minnesota state median is $89,062.
What is the political history of Washington County, Minnesota?
Akashic tracks 38 presidential elections in Washington County, Minnesota from 1876 to 2024. Of those, 17 went Democratic and 16 went Republican. The county's typology — "Realigning Affluent Suburb" — captures where that record, its demographics, and its recent swing place it among American communities.