99chambers

U.S. House seat · lines in effect since 2022

Idaho's 2nd District

A district of about 945,000 people, 34% of adults with a bachelor's degree. It votes R+26.6 relative to the nation for president.

Michael K. Simpson (R) · since Jan 6, 1999Next election Nov 7, 2028The 2026 race →
ID-2

Source: 2026 results: Idaho Secretary of State; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House 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+26.6354th most
Democratic
Most DemocraticMost Republican218th seat · the majority lineID-21

Labels below the bar mark 1 other seat in Idaho.

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.

202220242026
U.S. HouseR+27.0R+30.4R+11.4

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 435 seats. Small marks are other seats in Idaho. The black marker is ID-2.

Adults with a bachelor's degree34% 50th pct · 1st of 2 in ID

Higher than 50% of seats.

White adults without a degree51% 78th pct · 2nd of 2 in ID

Higher than 78% of seats.

Hispanic residents15% 54th pct · 1st of 2 in ID

Higher than 54% of seats.

Black residents1% 2nd pct · 1st of 2 in ID

Lower than 98% of seats.

Asian residents2% 19th pct · 1st of 2 in ID

Lower than 81% of seats.

People per square mile22 4th pct · 2nd of 2 in ID

Less dense than 96% 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.

KS-1
30% college gradsR+30.9Held RKS-4
31% college gradsR+23.6Held RSD-AL
32% college gradsR+29.2Held RUT-2
35% college gradsR+30.4Held 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. Michael K. Simpson (R)
    2023– · Won 2022 by 27.0, 2024 by 30.4, 2026 by 11.4

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