Ada County Commissioner Ryan Davidson Defeats Primary Challenger
Primaries are covered below for Ada and Canyon Counties in Idaho.
The Democratic and Republican primaries occurred today in Idaho to select candidates for the November 2026 general election. This post covers the races for county positions in the state’s two most-populous counties - Ada and Canyon. Separate posts will be covering the primaries for federal races, statewide executive offices, and both chambers of the state legislature.
The general election for these county positions in Idaho’s main population centers will be held on November 3, 2026.
Ada County Board of Commissioners:
District 1:
Marketing consultant Kelceymarie Warner won the Democratic primary with 66.1% (13,927) against economist Aaron Swisher with 33.9% (7,150). 21,077 votes counted.
Incumbent Ryan Davidson won the Republican primary with 56.9% (27,017) against PR consultant Holly Cook with 43.1% (20,465). 47,482 votes counted.
District 2:
Production assistant Michael Fitzgerald won the Democratic primary with 67.4% (13,597) against former county employee Otto Gramajo with 32.6% (6,564). 20,161 votes counted.
Incumbent Rod Beck won the Republican primary.
Ada County Officials:
Assessor:
Financial analyst Erik Olson won the Democratic primary.
Incumbent Rebecca Arnold won the Republican primary.
Clerk:
No candidate qualified for the Democratic primary.
Incumbent Trent Tripple won the Republican primary.
Coroner:
Former County Coroner Dotti Owens won the Democratic primary.
Chief Deputy Coroner Brett Harding won the Republican primary with 59.2% (27,319) against investigator Tim Flaherty with 40.8% (18,795). 46,114 votes counted.
Treasurer:
April Frederick won the Democratic primary.
Credit union executive Todd Christensen won the Republican primary with 68.7% (30,320) against Deputy Treasurer Rob Brown with 31.3% (13,803). 44,123 votes counted.
Canyon County Board of Commissioners:
District 1:
No candidate qualified for the Democratic primary.
Farmer Stewart Hyndman won the Republican primary with 40.7% (7,526) against business owner Scott Brock with 30.2% (5,594) and Caldwell Chamber of Commerce CEO Travis Palmer with 29.1% (5,396). 18,516 votes counted.
District 2:
Brian Stroops won the Democratic primary.
Incumbent Brad Holton won the Republican primary.
Canyon County Officials:
Assessor:
No candidate qualified for the Democratic primary.
Incumbent Brian Stender won the Republican primary.
Clerk:
No candidate qualified for the Democratic primary.
Incumbent Jess Urresti won the Republican primary.
Coroner:
No candidate qualified for the Democratic primary.
Incumbent Jennifer Crawford won the Republican primary with 56.4% (10,014) against former Deputy Coroner Sydney Walker with 43.6% (7,739). 17,753 votes counted.
Treasurer:
No candidate qualified for the Democratic primary.
Incumbent Jennifer Watters won the Republican primary.