99chambers

Idaho State Senate seat · lines in effect since 2022

Idaho Legislative District 25

A district of about 42,000 people, 22% of adults with a bachelor's degree. It votes R+37.8 relative to the nation for president.

Josh Kohl (R) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 35 seats

Every Idaho State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+37.815th most
Democratic
Most DemocraticMost Republican18th seat · the majority lineDistrict 25

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2026
Idaho State SenateR+28.9

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Idaho Secretary of StateUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 35 seats. Small marks are other seats in Idaho. The black marker is District 25.

Adults with a bachelor's degree22% 18th pct · 29th of 35 in ID

Lower than 82% of seats.

White adults without a degree58% 71st pct · 11th of 35 in ID

Higher than 71% of seats.

Hispanic residents19% 79th pct · 8th of 35 in ID

Higher than 79% of seats.

Black residents2% 91st pct · 4th of 35 in ID

Higher than 91% of seats.

Asian residents2% 82nd pct · 7th of 35 in ID

Higher than 82% of seats.

People per square mile1,466 68th pct · 12th of 35 in ID

Denser than 68% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET

Seats most like this one

Nearest seats on demographics, density and lean.

District 13
21% Hispanic · 24% college gradsR+40.0Held RDistrict 21
37% college gradsR+30.2Held RDistrict 29
31% college gradsR+11.8Held DDistrict 12
30% Hispanic · 22% college gradsR+39.3Held R

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who has held it

These lines took effect in 2022.

  1. Casey Swensen (R)
    2027– · Won 2026 by 28.9
  2. Josh Kohl (R)
    2025–2027 · Won 2024 unopposed
  3. Linda Wright Hartgen (R)
    2023–2025 · Won 2022 by 50.3

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)