Rock County, Minnesota: Farm Belt county. In 2024, voted R+39%. Republican peak: R+73 in 1920.
Key facts
- 2024 presidential margin
- R+39MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 9,6212024 5-year
- Median household income
- $71,2952024 5-year
- White (non-Hispanic)
- 93.1%2024 5-year
- Black
- 0.1%2024 5-year
- Hispanic / Latino
- 4.0%2024 5-year
- Peak Democratic margin
- D+35 in 1892MIT Election Lab
- Peak Republican margin
- R+73 in 1920MIT Election Lab
- Most similar
- Pipestone County, MN · similarity 1.00
2024 results by precinct
2024 precinct map of Rock CountyPrecinct-level 2024 presidential results for Rock 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 | +35.3% |
| 1896 | −22.0% |
| 1900 | −34.9% |
| 1904 | −63.8% |
| 1908 | −38.6% |
| 1912 | +0.2% |
| 1916 | −24.5% |
| 1920 | −72.6% |
| 1924 | −45.4% |
| 1928 | −20.4% |
| 1932 | +29.6% |
| 1936 | +23.9% |
| 1940 | −19.4% |
| 1944 | −21.9% |
| 1948 | +2.3% |
| 1952 | −49.1% |
| 1956 | −34.5% |
| 1960 | −31.1% |
| 1964 | +9.6% |
| 1968 | −18.1% |
| 1972 | −24.6% |
| 1976 | −2.1% |
| 1980 | −18.8% |
| 1984 | −15.1% |
| 1988 | −5.8% |
| 1992 | −1.1% |
| 1996 | −0.6% |
| 2000 | −13.8% |
| 2004 | −21.4% |
| 2008 | −14.0% |
| 2012 | −17.8% |
| 2016 | −35.5% |
| 2020 | −38.7% |
| 2024 | −39.2% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,585 | 3,690 | 5,373 | ||
| R | 1,556 | 3,583 | 5,240 | ||
| R | 1,373 | 3,091 | 4,839 | ||
| R | 1,946 | 2,810 | 4,846 | ||
| R | 2,079 | 2,775 | 4,975 | ||
| R | 2,000 | 3,111 | 5,191 | ||
| R | 2,081 | 2,772 | 5,010 | ||
| R | 2,142 | 2,169 | 4,904 | ||
| R | 2,006 | 2,065 | 5,338 | ||
| R | 2,435 | 2,737 | 5,215 | ||
| R | 2,188 | 2,971 | 5,196 | ||
| R | 2,089 | 3,164 | 5,713 | ||
| R | 2,769 | 2,892 | 5,739 | ||
| R | 2,089 | 3,470 | 5,612 | ||
| R | 2,084 | 3,056 | 5,374 | ||
| D | 2,896 | 2,389 | 5,287 | ||
| R | 1,823 | 3,469 | 5,297 | ||
| R | 1,591 | 3,267 | 4,862 | ||
| R | 1,286 | 3,774 | 5,067 | ||
| D | 2,134 | 2,035 | 4,234 | ||
| R | 1,649 | 2,584 | 4,260 | ||
| R | 1,983 | 2,944 | 4,951 | ||
| D | 2,910 | 1,752 | 4,838 | ||
| D | 2,695 | 1,452 | 4,201 | ||
| R | 1,607 | 2,433 | 4,053 | ||
| R | 261 | 2,065 | 3,973 | ||
| R | 442 | 3,121 | 3,692 | ||
| R | 705 | 1,196 | 2,004 | ||
| O | 466 | 463 | 1,810 | ||
| R | 525 | 1,234 | 1,836 | ||
| R | 241 | 1,243 | 1,571 | ||
| R | 573 | 1,234 | 1,893 | ||
| R | 765 | 1,209 | 2,020 | ||
| D | 940 | 383 | 1,576 | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
41.4%
Irish
6.0%
English
3.7%
American
2.6%
Polish
1.0%
French
0.9%
Italian
0.8%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
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: 41.2 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
$71,295
Rock County ranks near the middle of US counties.
Rock County$71,295
Minnesota$89,062
United States$80,734
Rock County ranks near the middle 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
10.6%
Child poverty is below the national average.
Children under 1811.0%
Working age (18–64)10.8%
Seniors (65+)7.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
96.3%
speak English only
Spanish2.4%
Other Indo-European0.6%
Asian & Pacific Islander0.5%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 29.0% of residents not counted as adherents by any reporting body.
Rock County, tucked into Minnesota's southwestern tip along the South Dakota border, has backed Republican presidential candidates by growing margins over the past decade, reflecting the broader rural realignment across the Upper Midwest's agricultural heartland.
The Republican margin here reached seventy-three points in 1920. The 2024 margin was thirty-nine points.
A population of 9,621, a 93% non-Hispanic-white share, and a median household income of $71,295 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Pipestone County and Scott 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.
Rock County, Minnesota. Akashic. https://akashic.app/county/27133/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Minnesota
More farm belt counties
Frequently asked questions
How did Rock County, Minnesota vote in 2024?
In 2024, Rock County, Minnesota voted Republican by 39.2 points (R+39), carried by the Republican candidate. Out of 5,373 votes cast, 1,585 went Democratic and 3,690 went Republican.
What is Rock County, Minnesota's political typology?
Akashic places Rock County, Minnesota in the "Farm Belt" typology — Rural Plains and Midwest farm counties — Republican, with modest recent movement. 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 5 times, Republican 28 times, and other 1 times.
When did Rock County, Minnesota last vote Democratic?
The most recent presidential election in which Rock County, Minnesota voted Democratic was 1964.
How many people live in Rock County, Minnesota?
Rock County, Minnesota has a population of 9,621 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Rock County, Minnesota?
Median household income in Rock County, Minnesota is $71,295 — below the national median of $80,734. The Minnesota state median is $89,062.
What is the political history of Rock County, Minnesota?
Akashic tracks 38 presidential elections in Rock County, Minnesota from 1876 to 2024. Of those, 5 went Democratic and 28 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.