Voter file loaded July 20, 2026 · figures are from that file, held as a fixed record
Lincoln County, Idaho has 2,221 active registered voters — 74.1% Republican, 7.0% Democratic, and 18.0% with no party affiliation, as of July 2026.
Party registration
Most reliable-voting precincts
| # | Precinct | Active voters | Supervoters | Supervoter % |
|---|---|---|---|---|
| 1 | 03 | 444 | 149 | 33.56% |
| 2 | 01 | 853 | 253 | 29.66% |
| 3 | 04 | 539 | 100 | 18.55% |
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 Lincoln County voted for president
Election results are public records.
Lincoln County at a glance.
Lincoln County had an estimated 5,556 residents in July 2024, the 37th most populous of Idaho's 44 counties, up 8.3% since the 2020 census. Of those, 4,139 are 18 or older, the voting-age population, and 15.5% are 65 or older. Its 2,221 active registered voters equal about 53.7% of that voting-age population.
It covers 1,201 square miles of land (4.6 people per square mile), and 54.2% of residents live outside any incorporated city or town. The largest cities and towns are Shoshone (1,757), Richfield (476) and Dietrich (311). The American Community Survey (2020-2024) puts it at a median age of 37.2, a median household income of $71,453, 11.1% of adults 25 and older holding a bachelor's degree or higher and 78.9% of occupied homes owned by the people living in them.
In 2024, 1,917 votes were cast for president, about 46.3% of the voting-age population; the Democratic ticket took 20.4% and the Republican ticket 76.5%. The two-party margin moved from R+36.8 in 2008 to R+56.1 in 2024.
- Population (2024 estimate)
- 5,556
- Population (2020 census base)
- 5,129
- Voting-age population (18+)
- 4,139
- Active voters per 100 adults
- 53.7
- Residents 65 and older
- 15.5%
- People per square mile
- 4.6
- Living outside incorporated places
- 54.2%
- Land area
- 1,201 sq mi
- Median age
- 37.2
- Median household income
- $71,453
- Adults 25+ with a bachelor's degree
- 11.1%
- Owner-occupied homes
- 78.9%
Largest cities and towns
- Shoshone 1,757
- Richfield 476
- Dietrich 311
Presidential vote, 2008–2024
| Year | Democratic | Republican | Margin | Votes cast |
|---|---|---|---|---|
| 2024 | 20.4% | 76.5% | R+56.1 | 1,917 |
| 2020 | 21.3% | 75.7% | R+54.4 | 1,940 |
| 2016 | 20.6% | 67.7% | R+47.1 | 1,748 |
| 2012 | 26.4% | 70.3% | R+43.9 | 1,622 |
| 2008 | 29.1% | 65.9% | R+36.8 | 1,870 |
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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