Minidoka County, Idaho
Precinct data
Results by precinct
11 precincts · 7,948 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -002002 | 125 | 753 | 17 | 895 | 14.0% | 84.1% | R+70.2 |
|---|---|---|---|---|---|---|---|
| Precinct -008008 | 155 | 691 | 10 | 856 | 18.1% | 80.7% | R+62.6 |
| Precinct -003003 | 174 | 627 | 13 | 814 | 21.4% | 77.0% | R+55.7 |
| Precinct -004004 | 121 | 671 | 20 | 812 | 14.9% | 82.6% | R+67.7 |
| Precinct -007007 | 163 | 607 | 19 | 789 | 20.7% | 76.9% | R+56.3 |
| Precinct -005005 | 117 | 614 | 15 | 746 | 15.7% | 82.3% | R+66.6 |
| Precinct -010010 | 110 | 551 | 16 | 677 | 16.2% | 81.4% | R+65.1 |
| Precinct -006006 | 88 | 570 | 12 | 670 | 13.1% | 85.1% | R+71.9 |
| Precinct -009009 | 178 | 450 | 19 | 647 | 27.5% | 69.6% | R+42.0 |
| Precinct -001001 | 85 | 514 | 26 | 625 | 13.6% | 82.2% | R+68.6 |
| Precinct -011011 | 57 | 353 | 7 | 417 | 13.7% | 84.7% | R+71.0 |
Presidential margin, 1916–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 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% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 12.6%1,184 | 76.9%7,246 | 9,424 |
| 2020 | R | 20.0%1,587 | 74.8%5,930 | 7,923 |
Registered voters
By party of registration, over time
Registration and the presidential vote track closely here — within 1.5 points.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2018 | 7,719 | 538 | 4,895 | 2,232 | 54 |
| 2020 | 8,816 | 791 | 5,552 | 2,390 | 83 |
| 2022 | 8,462 | 698 | 5,765 | 1,908 | 91 |
| 2024 | 8,299 | 673 | 5,802 | 1,722 | 102 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+109 net domestic migration · 2025
Net +57 over 2011–2025 · gain loss
Arrivals reported $47,337 in average income, against $69,221 for residents who stayed — 32% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+61.7 on average — 1.6 points more Democratic-leaning than Minidoka County, ID itself (R+63.3).
Where arrivals came from lean of each source
- Cassia County, ID257R+69.1
- Twin Falls County, ID44R+48.8
- Ada County, ID26R+10.3
Where departures went households, 2022–23
- Cassia County, ID226
- Twin Falls County, ID67
- Ada County, ID39
- Jerome County, ID23
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −60 |
| 2012 | −263 |
| 2013 | +8 |
| 2014 | −213 |
| 2015 | −49 |
| 2016 | +6 |
| 2017 | −39 |
| 2018 | −127 |
| 2019 | +188 |
| 2021 | +194 |
| 2022 | +162 |
| 2023 | +163 |
| 2024 | −22 |
| 2025 | +109 |
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.
Across the recorded series it reached a Democratic high of 37.0 points in 1936 and a Republican high of 63.3 points in 2024. Between 2020 and 2024 the county moved 4.3 points toward the Republican candidate; the 2024 margin was 63.3 points.
A population of 22,208, a 59% non-Hispanic-white share, and a median household income of $70,377 describe the county. The county's voting pattern over the last decade is most similar to that of Jerome County and Cassia County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Minidoka County, Idaho. Akashic. https://akashic.app/county/16067/. Accessed May 20, 2026. License: CC BY 4.0.