Olmsted County, Minnesota: Diversifying Metro county. In 2024, voted D+11%. Republican peak: R+58 in 1920.
Key facts
- 2024 presidential margin
- D+11MIT Election Lab
- Political typology
- Diversifying MetroAkashic typology
- Population
- 164,4982024 5-year
- Median household income
- $95,4062024 5-year
- White (non-Hispanic)
- 77.2%2024 5-year
- Black
- 7.5%2024 5-year
- Hispanic / Latino
- 6.0%2024 5-year
- Peak Democratic margin
- D+24 in 1936MIT Election Lab
- Peak Republican margin
- R+58 in 1920MIT Election Lab
- Most similar
- Hamilton County, OH · similarity 0.95
2024 results by precinct
2024 precinct map of Olmsted CountyPrecinct-level 2024 presidential results for Olmsted 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 | +8.9% |
| 1896 | −28.7% |
| 1900 | −26.7% |
| 1904 | −40.1% |
| 1908 | −20.0% |
| 1912 | +20.8% |
| 1916 | −4.1% |
| 1920 | −58.1% |
| 1924 | −48.0% |
| 1928 | −27.6% |
| 1932 | +16.2% |
| 1936 | +24.4% |
| 1940 | −4.0% |
| 1944 | −9.7% |
| 1948 | +5.9% |
| 1952 | −36.2% |
| 1956 | −31.5% |
| 1960 | −19.1% |
| 1964 | +12.1% |
| 1968 | −12.2% |
| 1972 | −40.5% |
| 1976 | −23.6% |
| 1980 | −21.3% |
| 1984 | −26.3% |
| 1988 | −17.4% |
| 1992 | −7.7% |
| 1996 | −0.0% |
| 2000 | −8.1% |
| 2004 | −5.7% |
| 2008 | +3.3% |
| 2012 | +3.2% |
| 2016 | +0.7% |
| 2020 | +10.7% |
| 2024 | +10.6% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 49,121 | 39,467 | 90,924 | ||
| D | 49,491 | 39,692 | 91,385 | ||
| D | 36,268 | 35,668 | 80,129 | ||
| D | 39,338 | 36,832 | 78,316 | ||
| D | 38,711 | 36,202 | 76,470 | ||
| R | 33,285 | 37,371 | 71,575 | ||
| R | 25,822 | 30,641 | 59,392 | ||
| R | 22,857 | 22,860 | 52,044 | ||
| R | 19,039 | 23,404 | 56,662 | ||
| R | 19,423 | 27,683 | 47,504 | ||
| R | 16,335 | 28,129 | 44,823 | ||
| R | 13,983 | 22,704 | 40,911 | ||
| R | 14,676 | 24,030 | 39,617 | ||
| R | 9,817 | 23,806 | 34,521 | ||
| R | 13,417 | 17,292 | 31,840 | ||
| D | 16,195 | 12,699 | 28,950 | ||
| R | 10,918 | 16,080 | 27,065 | ||
| R | 7,172 | 13,789 | 21,012 | ||
| R | 6,792 | 14,566 | 21,447 | ||
| D | 9,155 | 8,131 | 17,467 | ||
| R | 6,873 | 8,355 | 15,274 | ||
| R | 8,393 | 9,096 | 17,551 | ||
| D | 8,958 | 5,316 | 14,919 | ||
| D | 7,340 | 5,254 | 12,874 | ||
| R | 4,720 | 8,334 | 13,098 | ||
| R | 857 | 5,722 | 10,127 | ||
| R | 1,756 | 7,130 | 9,245 | ||
| R | 1,926 | 2,101 | 4,230 | ||
| O | 1,542 | 720 | 3,953 | ||
| R | 1,621 | 2,472 | 4,260 | ||
| R | 1,140 | 2,745 | 4,005 | ||
| R | 1,597 | 2,818 | 4,573 | ||
| R | 1,741 | 3,201 | 5,095 | ||
| D | 2,344 | 1,931 | 4,615 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
30.5%
Irish
9.9%
English
8.1%
American
3.1%
Polish
2.7%
Italian
1.9%
French
1.8%
African American
6.0%
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: 37.8 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
$95,406
Olmsted County ranks in the top 5% of US counties.
Olmsted County$95,406
Minnesota$89,062
United States$80,734
Olmsted County ranks in the top 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
7.5%
Child poverty is below the national average.
Children under 186.8%
Working age (18–64)7.5%
Seniors (65+)9.6%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
85.8%
speak English only
Asian & Pacific Islander4.3%
Other languages3.9%
Spanish3.4%
Other Indo-European2.6%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 52.5% of residents not counted as adherents by any reporting body.
Olmsted County's economy and population are unusually concentrated around Rochester's health-care sector, drawing a highly educated workforce that has pushed the county's presidential margins toward Democrats by roughly ten points in recent cycles.
The Democratic margin here reached twenty-four points in 1936. The 2024 margin was eleven points.
A population of 164,498, a 77% non-Hispanic-white share, and a median household income of $95,406 describe the county. The county's voting pattern over the last decade is most similar to that of Hamilton County and Yakutat City and Borough.
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.
Olmsted County, Minnesota. Akashic. https://akashic.app/county/27109/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Minnesota
More diversifying metro counties
Frequently asked questions
How did Olmsted County, Minnesota vote in 2024?
In 2024, Olmsted County, Minnesota voted Democratic by 10.6 points (D+11), carried by the Democratic candidate. Out of 90,924 votes cast, 49,121 went Democratic and 39,467 went Republican.
What is Olmsted County, Minnesota's political typology?
Akashic places Olmsted County, Minnesota 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 10 times, Republican 23 times, and other 1 times.
When did Olmsted County, Minnesota last vote Republican?
The most recent presidential election in which Olmsted County, Minnesota voted Republican was 2004.
How many people live in Olmsted County, Minnesota?
Olmsted County, Minnesota has a population of 164,498 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Olmsted County, Minnesota?
Median household income in Olmsted County, Minnesota is $95,406 — above the national median of $80,734. The Minnesota state median is $89,062.
What is the political history of Olmsted County, Minnesota?
Akashic tracks 38 presidential elections in Olmsted County, Minnesota from 1876 to 2024. Of those, 10 went Democratic and 23 went Republican. The county's typology — "Diversifying Metro" — captures where that record, its demographics, and its recent swing place it among American communities.