Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Oneida County, Idaho has 2,839 active registered voters — 83.0% Republican, 3.3% Democratic, and 12.3% with no party affiliation, as of July 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 004 | 516 | 255 | 49.42% |
| 2 | 001 | 812 | 366 | 45.07% |
| 3 | 002 | 611 | 266 | 43.54% |
| 4 | 003 | 707 | 305 | 43.14% |
Supervoters are active registered voters who cast a ballot in at least 3 of the last 4 November general elections (2018–2024). Percentages are precinct totals from the official state voter file — no individual voter information is shown. Precincts with fewer than 400 active voters are excluded.
How Oneida County voted for president
Election results are public records.
Oneida County at a glance.
Oneida County had an estimated 4,976 residents in July 2024, the 39th most populous of Idaho's 44 counties, up 9.0% since the 2020 census. Of those, 3,634 are 18 or older, the voting-age population, and 20.7% are 65 or older. Its 2,839 active registered voters equal about 78.1% of that voting-age population.
It covers 1,199 square miles of land (4.2 people per square mile), and 53.3% of residents live outside any incorporated city or town. Its one incorporated place is Malad City (2,326 residents). The American Community Survey (2020-2024) puts it at a median age of 40.8, a median household income of $74,954, 26.7% of adults 25 and older holding a bachelor's degree or higher and 88.3% of occupied homes owned by the people living in them.
In 2024, 2,457 votes were cast for president, about 67.6% of the voting-age population; the Democratic ticket took 10.3% and the Republican ticket 86.2%. The two-party margin moved from R+62.1 in 2008 to R+75.9 in 2024.
- Population (2024 estimate)
- 4,976
- Population (2020 census base)
- 4,564
- Voting-age population (18+)
- 3,634
- Active voters per 100 adults
- 78.1
- Residents 65 and older
- 20.7%
- People per square mile
- 4.2
- Living outside incorporated places
- 53.3%
- Land area
- 1,199 sq mi
- Median age
- 40.8
- Median household income
- $74,954
- Adults 25+ with a bachelor's degree
- 26.7%
- Owner-occupied homes
- 88.3%
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 10.3% | 86.2% | R+75.9 | 2,457 |
| 2020 | 10.2% | 87.6% | R+77.4 | 2,451 |
| 2016 | 8.9% | 74.0% | R+65.1 | 2,068 |
| 2012 | 10.4% | 88.0% | R+77.6 | 2,089 |
| 2008 | 17.6% | 79.7% | R+62.1 | 2,162 |
Sources: U.S. Census Bureau Vintage 2024 population estimates and 2024 Gazetteer; American Community Survey 2020–2024 5-year estimates; certified county presidential returns. Growth, density and turnout are simple arithmetic on those figures.
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