Idaho 8th State Senate District
| Donald Trump ✓Republican | 69.6% | 17,730 |
|---|---|---|
| Kamala HarrisDemocratic | 28.0% | 7,131 |
| Robert F. Kennedy Jr.Independent | 2.4% | 611 |
County-level results (4 counties) — table
| County | Winner | Margin |
|---|---|---|
| Boise County, ID | Republican | R+53.3 |
| Custer County, ID | Republican | R+53.3 |
| Elmore County, ID | Republican | R+48.5 |
| Valley County, ID | Republican | R+18.6 |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 28.0%Harris7,131 | 69.6%Trump17,730 | 2.4%Kennedy611 | 25,472 | ||
| R | 29.7%Biden7,384 | 67.5%Trump16,767 | 2.7%Jorgensen676 | 24,827 | ||
| R | 24.5%Clinton4,931 | 65.5%Trump13,172 | 9.9%McMullin1,996 | 20,099 | ||
| R | 33.7%Obama6,050 | 66.3%Romney11,880 | 0.0% | 17,930 | ||
| R | 34.1%Obama6,848 | 62.6%McCain12,570 | 3.4%Nader677 | 20,095 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | −28.5% |
| 2012 | −32.5% |
| 2016 | −41.0% |
| 2020 | −37.8% |
| 2024 | −41.6% |
State legislative officeholder from OpenStates nightly current-legislator data.
With a 2024 presidential margin of R+41.6, this district ranks among the most solidly red constituencies in the state, leaving Democrats with little competitive foothold in statewide or legislative contests here.
Across the recorded series it reached a Republican high of 41.6 points in 2024. Between 2020 and 2024 the district moved 3.8 points toward the Republican candidate; the 2024 margin was 41.6 points.
A population of 52,297, a 82% non-Hispanic-white share, and a median household income of $69,767 describe the district. The district's voting pattern over the last decade is most similar to that of State Senate District 3 and State Senate District 14.
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 8th State Senate District. Akashic. https://akashic.app/sld-upper/16008/. Accessed May 20, 2026. License: CC BY 4.0.