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U.S. Senate — Idaho

The Race

10 candidates filed, 4 active for the 2026 Senate election in Idaho. Party primary on May 19, 2026. General election on Nov 3, 2026. FEC Race ID: SID002026.

Market (kalshi): R 99% · D 1%Rating: 270toWin · 2026-10-02
Primary
May 19, 2026
General
Nov 3, 2026
Candidates
4 active / 10 filed
Total Raised
$5.4M
Outside Spending
—
Total Spent
$3.8M
Cash on Hand
$3.7M
Incumbent
Jim RischR
Race Timeline
Primary
Today
General
Nominee
Matthew "Matt" LoesbyL
Nominee
Lost primary
Lost primary
Lost primary
Bars end at the milestone each candidate exited — exact withdrawal dates aren't published, so they're placed at the primary. Dashed segment = upcoming; solid stops at today. 1 candidate with no reported fundraising is hidden.
Candidate Fundraising
Jim RischRInc.
Raised
$4.4M
Cash
$3.5M
Todd Baker AchillesI
Raised
$692K
Cash
$194K
Natalie M. FlemingI
Raised
$0
Cash
$0
State
Population
1,934,262
Median HH Income
$78K
Unemployment
3.7%
Bachelor's+
31.8%
Veterans
8.0%
Median Age
37.3
Mean HH Income
$103K
Poverty Rate
10.6%
HS or Higher
91.9%
Median Home Value
$419K
Median Rent
$1,238/mo
Owner-Occupied
72.1%
Under 18 / 65+
24.1% / 17.0%