Minidoka County, Idaho: New American county. In 2024, voted R+63%. Republican peak: R+63 in 2024.
Key facts
- 2024 presidential margin
- R+63MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 22,2082024 5-year
- Median household income
- $70,3772024 5-year
- White (non-Hispanic)
- 67.0%2024 5-year
- Black
- 0.1%2024 5-year
- Hispanic / Latino
- 37.0%2024 5-year
- Peak Democratic margin
- D+37 in 1936MIT Election Lab
- Peak Republican margin
- R+63 in 2024MIT Election Lab
- Most similar
- Twin Falls County, ID · similarity 1.00
2024 results by precinct
2024 precinct map of Minidoka CountyPrecinct-level 2024 presidential results for Minidoka 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 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | +6.5% |
| 1920 | −18.8% |
| 1924 | −32.1% |
| 1928 | −23.4% |
| 1932 | +30.7% |
| 1936 | +37.0% |
| 1940 | +0.1% |
| 1944 | −4.3% |
| 1948 | +0.4% |
| 1952 | −42.8% |
| 1956 | −27.2% |
| 1960 | −15.3% |
| 1964 | −4.8% |
| 1968 | −32.7% |
| 1972 | −44.8% |
| 1976 | −18.2% |
| 1980 | −53.4% |
| 1984 | −61.2% |
| 1988 | −33.2% |
| 1992 | −20.1% |
| 1996 | −28.8% |
| 2000 | −54.7% |
| 2004 | −62.0% |
| 2008 | −50.2% |
| 2012 | −58.1% |
| 2016 | −54.1% |
| 2020 | −59.0% |
| 2024 | −63.3% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,373 | 6,401 | 7,947 | ||
| R | 1,550 | 6,265 | 7,993 | ||
| R | 1,167 | 4,887 | 6,870 | ||
| R | 1,390 | 5,442 | 6,973 | ||
| R | 1,630 | 5,087 | 6,890 | ||
| R | 1,331 | 5,797 | 7,201 | ||
| R | 1,344 | 4,907 | 6,518 | ||
| R | 1,977 | 4,008 | 7,055 | ||
| R | 1,815 | 3,304 | 7,417 | ||
| R | 2,290 | 4,623 | 7,033 | ||
| R | 1,398 | 5,938 | 7,420 | ||
| R | 1,689 | 6,035 | 8,131 | ||
| R | 2,441 | 3,600 | 6,378 | ||
| R | 1,423 | 4,097 | 5,967 | ||
| R | 1,332 | 3,182 | 5,654 | ||
| R | 2,827 | 3,111 | 5,938 | ||
| R | 2,467 | 3,360 | 5,827 | ||
| R | 1,692 | 2,954 | 4,646 | ||
| R | 1,253 | 3,128 | 4,381 | ||
| D | 1,668 | 1,654 | 3,432 | ||
| R | 1,635 | 1,781 | 3,424 | ||
| D | 1,982 | 1,979 | 3,974 | ||
| D | 2,095 | 948 | 3,097 | ||
| D | 2,164 | 1,130 | 3,367 | ||
| R | 1,132 | 1,832 | 2,996 | ||
| O | 204 | 1,046 | 2,620 | ||
| R | 1,107 | 1,622 | 2,745 | ||
| D | 1,135 | 963 | 2,659 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
15.1%
German
11.3%
American
8.7%
Irish
4.7%
Italian
1.2%
French
1.2%
Scottish
1.2%
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: 34.9 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
$70,377
Minidoka County ranks near the middle of US counties.
Minidoka County$70,377
Idaho$77,800
United States$80,734
Minidoka 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
14.5%
Children face moderate poverty.
Children under 1818.9%
Working age (18–64)13.2%
Seniors (65+)9.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
74.3%
speak English only
Spanish24.9%
Other Indo-European0.4%
Asian & Pacific Islander0.2%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 51.2% of residents not counted as adherents by any reporting body.
Minidoka County, anchored by the agricultural city of Rupert, recorded an R+63.4 presidential margin in 2024, reflecting the deep conservative lean common across southern Idaho's Snake River Plain farming communities.
Minidoka County has leaned Republican in recent presidential elections, reaching a Democratic margin of thirty-seven points in 1936. Between 2020 and 2024 it moved four points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 67% non-Hispanic-white share, a median household income of $70,377, and a population of 22,208. The county's voting pattern over the last decade is most similar to that of Twin Falls County and Lincoln 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.
Minidoka County, Idaho. Akashic. https://akashic.app/county/16067/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Minidoka County, Idaho vote in 2024?
In 2024, Minidoka County, Idaho voted Republican by 63.3 points (R+63), carried by the Republican candidate. Out of 7,947 votes cast, 1,373 went Democratic and 6,401 went Republican.
What is Minidoka County, Idaho's political typology?
Akashic places Minidoka County, Idaho in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. 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 22 times, and other 1 times.
When did Minidoka County, Idaho last vote Democratic?
The most recent presidential election in which Minidoka County, Idaho voted Democratic was 1948.
How many people live in Minidoka County, Idaho?
Minidoka County, Idaho has a population of 22,208 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Minidoka County, Idaho?
Median household income in Minidoka County, Idaho is $70,377 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Minidoka County, Idaho?
Akashic tracks 38 presidential elections in Minidoka County, Idaho from 1876 to 2024. Of those, 5 went Democratic and 22 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.