Idaho 27th State Senate District
| Donald Trump ✓Republican | 82.5% | 16,479 |
|---|---|---|
| Kamala HarrisDemocratic | 15.0% | 2,985 |
| Robert F. Kennedy Jr.Independent | 2.5% | 499 |
County-level results (3 counties) — table
| County | Winner | Margin |
|---|---|---|
| Cassia County, ID | Republican | R+69.1 |
| Minidoka County, ID | Republican | R+63.3 |
| Oneida County, ID | Republican | R+75.9 |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 15.0%Harris2,985 | 82.5%Trump16,479 | 2.5%Kennedy499 | 19,963 | ||
| R | 16.3%Biden3,263 | 81.3%Trump16,320 | 2.4%Jorgensen490 | 20,073 | ||
| R | 13.9%Clinton2,387 | 72.2%Trump12,367 | 13.8%McMullin2,363 | 17,117 | ||
| R | 15.0%Obama2,542 | 85.0%Romney14,388 | 0.0% | 16,930 | ||
| R | 19.6%Obama3,342 | 76.9%McCain13,116 | 3.5%Nader589 | 17,047 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −57.3% |
| 2012 | −70.0% |
| 2016 | −58.3% |
| 2020 | −65.0% |
| 2024 | −67.6% |
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin exceeding 46 points, this district of roughly 51,000 residents sits firmly in Idaho's heavily Republican interior, where statewide Republican candidates routinely run well ahead of national averages.
Across the recorded series it reached a Republican high of 70.0 points in 2012. Between 2020 and 2024 the district moved 2.5 points toward the Republican candidate; the 2024 margin was 67.6 points.
A population of 50,832, a 72% non-Hispanic-white share, and a median household income of $70,830 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 30 and State Senate District 24.
The state-senate districts 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.
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 →
Idaho 27th State Senate District. Akashic. https://akashic.app/sld-upper/16027/. Accessed May 20, 2026. License: CC BY 4.0.