Cassia County, Idaho
Precinct data
Results by precinct
24 precincts · 9,558 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -104104 | 138 | 676 | 28 | 842 | 16.4% | 80.3% | R+63.9 |
|---|---|---|---|---|---|---|---|
| Precinct -110110 | 89 | 693 | 18 | 800 | 11.1% | 86.6% | R+75.5 |
| Precinct -112112 | 95 | 582 | 23 | 700 | 13.6% | 83.1% | R+69.6 |
| Precinct -121121 | 78 | 590 | 21 | 689 | 11.3% | 85.6% | R+74.3 |
| Precinct -105105 | 118 | 519 | 16 | 653 | 18.1% | 79.5% | R+61.4 |
| Precinct -103103 | 129 | 503 | 13 | 645 | 20.0% | 78.0% | R+58.0 |
| Precinct -106106 | 137 | 453 | 17 | 607 | 22.6% | 74.6% | R+52.1 |
| Precinct -123123 | 84 | 493 | 15 | 592 | 14.2% | 83.3% | R+69.1 |
| Precinct -120120 | 77 | 498 | 15 | 590 | 13.1% | 84.4% | R+71.4 |
| Precinct -101101 | 127 | 306 | 19 | 452 | 28.1% | 67.7% | R+39.6 |
| Precinct -117117 | 24 | 360 | 7 | 391 | 6.1% | 92.1% | R+85.9 |
| Precinct -107107 | 44 | 313 | 7 | 364 | 12.1% | 86.0% | R+73.9 |
| Precinct -102102 | 62 | 275 | 3 | 340 | 18.2% | 80.9% | R+62.6 |
| Precinct -115115 | 14 | 309 | 4 | 327 | 4.3% | 94.5% | R+90.2 |
| Precinct -116116 | 32 | 273 | 4 | 309 | 10.4% | 88.3% | R+78.0 |
| Precinct -119119 | 30 | 255 | 9 | 294 | 10.2% | 86.7% | R+76.5 |
| Precinct -114114 | 33 | 197 | 7 | 237 | 13.9% | 83.1% | R+69.2 |
| Precinct -124124 | 6 | 208 | 1 | 215 | 2.8% | 96.7% | R+94.0 |
| Precinct -108108 | 17 | 123 | 4 | 144 | 11.8% | 85.4% | R+73.6 |
| Precinct -111111 | 8 | 103 | 1 | 112 | 7.1% | 92.0% | R+84.8 |
| Precinct -113113 | 7 | 85 | 1 | 93 | 7.5% | 91.4% | R+83.9 |
| Precinct -118118 | 4 | 61 | 3 | 68 | 5.9% | 89.7% | R+83.8 |
| Precinct -109109 | 0 | 47 | 4 | 51 | 0.0% | 92.2% | R+92.2 |
| Precinct -122122 | 6 | 37 | 0 | 43 | 14.0% | 86.0% | R+72.1 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −39.2% |
| 1896 | +63.3% |
| 1900 | −3.8% |
| 1904 | −49.8% |
| 1908 | −25.1% |
| 1912 | −19.4% |
| 1916 | +9.5% |
| 1920 | −39.1% |
| 1924 | −38.2% |
| 1928 | −41.0% |
| 1932 | +12.1% |
| 1936 | +30.7% |
| 1940 | +3.2% |
| 1944 | −4.9% |
| 1948 | −5.3% |
| 1952 | −45.5% |
| 1956 | −37.6% |
| 1960 | −27.5% |
| 1964 | −21.2% |
| 1968 | −43.5% |
| 1972 | −56.7% |
| 1976 | −39.1% |
| 1980 | −62.3% |
| 1984 | −72.0% |
| 1988 | −48.2% |
| 1992 | −35.4% |
| 1996 | −41.9% |
| 2000 | −67.3% |
| 2004 | −69.2% |
| 2008 | −63.5% |
| 2012 | −72.1% |
| 2016 | −60.1% |
| 2020 | −66.9% |
| 2024 | −69.1% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 10.1%1,168 | 79.7%9,238 | 11,592 |
| 2020 | R | 15.7%1,508 | 78.9%7,564 | 9,586 |
Registered voters
By party of registration, over time
Registration and the presidential vote track closely here — within 1.0 points.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2018 | 9,367 | 466 | 6,751 | 2,084 | 66 |
| 2020 | 10,682 | 754 | 7,565 | 2,272 | 91 |
| 2022 | 10,329 | 678 | 7,705 | 1,843 | 103 |
| 2024 | 10,629 | 635 | 8,086 | 1,806 | 102 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−89 net domestic migration · 2025
Net −903 over 2011–2025 · gain loss
Arrivals reported $52,342 in average income, against $74,294 for residents who stayed — 30% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+60.0 on average — 9.0 points more Democratic-leaning than Cassia County, ID itself (R+69.1).
Where arrivals came from lean of each source
- Minidoka County, ID226R+63.3
- Twin Falls County, ID65R+48.8
Where departures went households, 2022–23
- Minidoka County, ID257
- Twin Falls County, ID98
- Ada County, ID33
- Utah County, UT23
- Bannock County, ID22
- Canyon County, ID20
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 | −158 |
| 2012 | −130 |
| 2013 | −126 |
| 2014 | −38 |
| 2015 | −204 |
| 2016 | −208 |
| 2017 | −19 |
| 2018 | −55 |
| 2019 | +31 |
| 2021 | +295 |
| 2022 | +174 |
| 2023 | −151 |
| 2024 | −225 |
| 2025 | −89 |
Cassia County, anchored by Burley in the Snake River Plain, returned an R+68.9 margin in 2024 — among the widest in a state already dominated by one-party presidential outcomes.
Across the recorded series it reached a Democratic high of 63.3 points in 1896 and a Republican high of 72.1 points in 2012. Between 2020 and 2024 the county moved 2.1 points toward the Republican candidate; the 2024 margin was 69.1 points.
A population of 25,483, a 64% non-Hispanic-white share, and a median household income of $70,830 describe the county. The county's voting pattern over the last decade is most similar to that of Bingham County and Uintah 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 →
Cassia County, Idaho. Akashic. https://akashic.app/county/16031/. Accessed May 20, 2026. License: CC BY 4.0.