St. Croix County, Wisconsin: Republican loyalist county. In 2024, voted R+19%. Republican peak: R+52 in 1920.
Key facts
- 2024 presidential margin
- R+19MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 96,0332024 5-year
- Median household income
- $103,0462024 5-year
- White (non-Hispanic)
- 92.1%2024 5-year
- Black
- 0.7%2024 5-year
- Hispanic / Latino
- 3.1%2024 5-year
- Peak Democratic margin
- D+32 in 1964MIT Election Lab
- Peak Republican margin
- R+52 in 1920MIT Election Lab
- Most similar
- Chisago County, MN · similarity 0.98
2024 results by precinct
2024 precinct map of St. Croix CountyPrecinct-level 2024 presidential results for St. Croix County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 23,870 | 35,537 | 60,642 | ||
| R | 23,190 | 32,199 | 56,707 | ||
| R | 17,482 | 26,222 | 47,508 | ||
| R | 19,910 | 25,503 | 46,225 | ||
| R | 21,177 | 22,837 | 44,821 | ||
| R | 18,784 | 22,679 | 41,835 | ||
| R | 13,077 | 15,240 | 29,954 | ||
| D | 11,384 | 8,253 | 23,213 | ||
| D | 10,281 | 8,114 | 25,676 | ||
| D | 11,392 | 9,960 | 21,533 | ||
| R | 10,127 | 11,367 | 21,635 | ||
| D | 10,203 | 9,265 | 21,767 | ||
| D | 10,601 | 7,685 | 18,672 | ||
| R | 7,488 | 8,553 | 16,291 | ||
| D | 6,807 | 6,595 | 14,148 | ||
| D | 8,864 | 4,565 | 13,458 | ||
| R | 6,341 | 7,113 | 13,478 | ||
| R | 5,499 | 6,956 | 12,484 | ||
| R | 5,094 | 7,607 | 12,726 | ||
| D | 6,173 | 4,326 | 10,701 | ||
| R | 4,930 | 5,660 | 10,678 | ||
| R | 4,898 | 6,857 | 11,876 | ||
| D | 4,679 | 4,316 | 11,218 | ||
| D | 6,374 | 4,059 | 10,698 | ||
| R | 4,083 | 6,855 | 11,026 | ||
| O | 718 | 3,600 | 9,073 | ||
| R | 1,638 | 5,601 | 7,637 | ||
| R | 2,352 | 2,731 | 5,345 | ||
| D | 1,806 | 1,728 | 4,648 | ||
| R | 1,773 | 3,228 | 5,182 | ||
| R | 1,569 | 3,898 | 5,705 | ||
| R | 2,076 | 3,368 | 5,710 | ||
| R | 2,475 | 3,462 | 6,140 | ||
| R | 2,220 | 2,467 | 5,244 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
35.5%
Irish
12.0%
English
7.2%
Polish
5.0%
French
3.6%
Italian
3.1%
American
3.1%
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.
Age distribution by sex
Median age: 40.4 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.
Median household income
2024 inflation-adjusted dollars
$103,046
St. Croix County ranks in the top 5% of US counties.
St. Croix County$103,046
Wisconsin$77,485
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
6.6%
Child poverty is below the national average.
Children under 187.1%
Working age (18–64)6.2%
Seniors (65+)9.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
96.7%
speak English only
Spanish1.7%
Other Indo-European1.0%
Asian & Pacific Islander0.6%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 59.2% of residents not counted as adherents by any reporting body.
St. Croix County sits just across the Minnesota border from the Minneapolis–St. Paul metro, and its fast-growing exurban population has shifted the county from a swing district to one of Wisconsin's more reliably Republican margins.
The Republican margin in St. Croix County reached its widest at fifty-two points in 1920. The margin in 2024 was nineteen points, in line with the county's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $103,046, a 92% non-Hispanic-white share, and a population of 96,033 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Chisago County and Waller County.
Most similar counties
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
St. Croix County, Wisconsin — The Long Memory. Akashic Intelligence — The Long Memory. https://akashic.app/county/55109/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Wisconsin
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Frequently asked questions
How did St. Croix County, Wisconsin vote in 2024?
In 2024, St. Croix County, Wisconsin voted Republican by 19.2 points (R+19), carried by the Republican candidate. Out of 60,642 votes cast, 23,870 went Democratic and 35,537 went Republican.
What is St. Croix County, Wisconsin's political archetype?
Akashic classifies St. Croix County, Wisconsin as a "Republican loyalist" county based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the county has voted Democratic 11 times, Republican 22 times, and other 1 times.
When did St. Croix County, Wisconsin last vote Democratic?
The most recent presidential election in which St. Croix County, Wisconsin voted Democratic was 1996.
How many people live in St. Croix County, Wisconsin?
St. Croix County, Wisconsin has a population of 96,033 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in St. Croix County, Wisconsin?
Median household income in St. Croix County, Wisconsin is $103,046 — above the national median of $80,734. The Wisconsin state median is $77,485.
What is the political history of St. Croix County, Wisconsin?
Akashic tracks 38 presidential elections in St. Croix County, Wisconsin from 1876 to 2024. Of those, 11 went Democratic and 22 went Republican. The county's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.