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Government of Ada County, Idaho
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| Seat: Boise |
| Population (2020): 494,967 |
| County Commissioners: 3 |
| County Website: Official website |
The county government of Ada County is located in Boise, Idaho. The county was established in 1864. It covers a total of 1,054.99 square miles in southwest Idaho.[1]
Elections
2024
Ada County, Idaho, held general elections for prosecutor, sheriff, county commission, county highway district board, college board, soil and water conservation district board, and judicial offices on November 5, 2024. A primary was scheduled for May 21, 2024. The filing deadline for county offices was March 15, 2024. The filing deadline for highway district board and magistrate judges was August 7, 2024. The filing deadline for college and soil and water conservation districts was August 30, 2024
2022
Ada County, Idaho, held general elections for assessor, clerk, coroner, sheriff, treasurer, county commissioners, highway district board, community college board, conservation district board, and district court magistrate judges on November 8, 2022. A primary was scheduled for May 17, 2022. The filing deadline for this election was March 11, 2022.
2020
Ada County, Idaho, held general elections for commissioner seats 1 and 2, sheriff, and prosecutor on November 3, 2020. A primary was scheduled for May 19, 2020. The filing deadline for this election was March 13, 2020. Ada County also held a general election for highway districts 1, 2, and 5, a general election for three college district seats, and a general retention election for 14 magistrate judges on November 3, 2020. The filing deadline for these elections was August 5, 2020.
2018
Ada County, Idaho, held general elections for county commissioner, district court clerk, county treasurer, county assessor, county coroner, county highway district commissioner, and College of Western Idaho trustee on November 6, 2018. If a race had multiple candidates for a party nomination, a primary was held on June 5, 2018.
Elected officials
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If any officeholder information below is no longer accurate, please contact us with any updates. |
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Board of commissioners
- See also: County commission
The board of commissioners functions as the county's primary legislative and policy-making body. Most boards also control county land usage, oversee environmental issues and possess executive powers, meaning they have the authority to appoint or remove departmental heads. Ada County has three supervisors who are elected at large to specific districts for four-year terms.
The table below provides information on each of the county commissioners:
| Office | Name | Date assumed office |
|---|---|---|
| Ada County Board of Commissioners District 1 | Ryan Davidson | January 11, 2021 |
| Ada County Board of Commissioners District 2 | Rod W. Beck | January 11, 2021 |
| Ada County Board of Commissioners District 3 | Tom E. Dayley | January 9, 2023 |
The widget below automatically displays information about their meetings. The topic list contains a sampling of keywords that Voterheads, a local government monitoring service, found in each meeting agenda. Click the meeting link to see more info and the full agenda:
Other elected officials
Ada County residents also elect the following public officials:
| Office | Name | Date assumed office |
|---|---|---|
| Ada County Highway District 1 | Patricia Nilsson | January 1, 2025 |
| Ada County Highway District 2 | Alexis Pickering | January 5, 2021 |
| Ada County Highway District 3 | Miranda Gold | January 1, 2023 |
| Ada County Highway District 4 | Kent Goldthorpe | 2019 |
| Ada County Highway District 5 | Dave McKinney | January 5, 2021 |
| Office | Name | Date assumed office |
|---|---|---|
| Ada County Assessor | Rebecca Arnold | January 9, 2023 |
| Ada County Clerk | Trent Tripple | January 9, 2023 |
| Ada County Coroner | Rich Riffle | January 9, 2023 |
| Ada County Prosecutor | Jan Bennetts | 2014 |
| Ada County Sheriff | Matthew Clifford | July 2, 2021 |
| Ada County Treasurer | Elizabeth Mahn | 2019 |
| Office | Name | Date assumed office |
|---|---|---|
| College of Western Idaho Trustee Zone 1 | Nicole Bradshaw | December 8, 2022 |
| College of Western Idaho Trustee Zone 2 | Molly Lenty | 2018 |
| College of Western Idaho Trustee Zone 3 | Jim Reames | May 13, 2021 |
| College of Western Idaho Trustee Zone 4 | Gary Smith | July 25, 2023 |
| College of Western Idaho Trustee Zone 5 | Cherie Buckner-Webb | November 17, 2020 |
See also
| Ada County, Idaho | Idaho | Municipal government | Other local coverage |
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External links
Footnotes
