Lemhi County, Idaho: Stable Rural Right county. In 2024, voted R+55%. Democratic peak: D+68 in 1896.
Key facts
- 2024 presidential margin
- R+55MIT Election Lab
- Political typology
- Stable Rural RightAkashic typology
- Population
- 8,2492024 5-year
- Median household income
- $53,2022024 5-year
- White (non-Hispanic)
- 92.4%2024 5-year
- Black
- 0.1%2024 5-year
- Hispanic / Latino
- 3.9%2024 5-year
- Peak Democratic margin
- D+68 in 1896MIT Election Lab
- Peak Republican margin
- R+60 in 2000MIT Election Lab
- Most similar
- Custer County, ID · similarity 1.00
2024 results by precinct
2024 precinct map of Lemhi CountyPrecinct-level 2024 presidential results for Lemhi County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −57.4% |
| 1896 | +68.0% |
| 1900 | +25.4% |
| 1904 | −15.7% |
| 1908 | −1.9% |
| 1912 | +12.1% |
| 1916 | +18.9% |
| 1920 | −29.6% |
| 1924 | −30.5% |
| 1928 | −15.1% |
| 1932 | +24.9% |
| 1936 | +26.4% |
| 1940 | +8.2% |
| 1944 | −2.9% |
| 1948 | −8.9% |
| 1952 | −42.4% |
| 1956 | −26.7% |
| 1960 | −2.7% |
| 1964 | −16.7% |
| 1968 | −36.3% |
| 1972 | −44.0% |
| 1976 | −17.6% |
| 1980 | −50.1% |
| 1984 | −52.8% |
| 1988 | −34.0% |
| 1992 | −14.2% |
| 1996 | −34.1% |
| 2000 | −60.4% |
| 2004 | −53.4% |
| 2008 | −45.7% |
| 2012 | −50.3% |
| 2016 | −55.6% |
| 2020 | −54.0% |
| 2024 | −54.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,038 | 3,716 | 4,874 | ||
| R | 1,032 | 3,592 | 4,738 | ||
| R | 733 | 3,011 | 4,096 | ||
| R | 960 | 3,029 | 4,110 | ||
| R | 1,061 | 2,938 | 4,105 | ||
| R | 915 | 3,079 | 4,055 | ||
| R | 660 | 2,859 | 3,641 | ||
| R | 1,015 | 2,334 | 3,868 | ||
| R | 996 | 1,540 | 3,821 | ||
| R | 1,157 | 2,378 | 3,590 | ||
| R | 852 | 2,810 | 3,708 | ||
| R | 794 | 2,646 | 3,699 | ||
| R | 1,159 | 1,685 | 2,989 | ||
| R | 526 | 1,812 | 2,923 | ||
| R | 547 | 1,476 | 2,562 | ||
| R | 1,067 | 1,496 | 2,563 | ||
| R | 1,283 | 1,355 | 2,638 | ||
| R | 1,038 | 1,794 | 2,832 | ||
| R | 848 | 2,100 | 2,950 | ||
| R | 864 | 1,037 | 1,938 | ||
| R | 988 | 1,048 | 2,040 | ||
| D | 1,664 | 1,412 | 3,077 | ||
| D | 1,648 | 943 | 2,666 | ||
| D | 1,332 | 793 | 2,167 | ||
| R | 837 | 1,139 | 1,994 | ||
| R | 442 | 1,005 | 1,848 | ||
| R | 699 | 1,289 | 1,992 | ||
| D | 1,080 | 723 | 1,884 | ||
| D | 910 | 669 | 1,999 | ||
| R | 777 | 809 | 1,655 | ||
| R | 564 | 786 | 1,418 | ||
| D | 897 | 529 | 1,449 | ||
| D | 1,065 | 202 | 1,269 | ||
| R | 0 | 330 | 575 | ||
| — | — | — | — | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
20.7%
German
19.7%
Irish
13.9%
American
5.1%
French
4.4%
Italian
3.2%
Scottish
2.4%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 53.3 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$53,202
Lemhi County ranks in the bottom 25% of US counties.
Lemhi County$53,202
Idaho$77,800
United States$80,734
Lemhi County ranks in the bottom 25% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
12.8%
Child poverty is below the national average.
Children under 188.4%
Working age (18–64)13.7%
Seniors (65+)14.2%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.6%
speak English only
Spanish1.9%
Other Indo-European0.4%
Asian & Pacific Islander0.1%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 44.2% of residents not counted as adherents by any reporting body.
Lemhi County stretches across rugged central Idaho terrain with a population under 8,000, and its 2024 presidential margin of R+55 reflects the lopsided partisan patterns typical of sparsely settled mountain-West counties.
The Republican margin here reached sixty points in 2000. Between 2020 and 2024 the county moved one point toward the Republican candidate; the 2024 margin was fifty-five points.
A population of 8,249, a 92% non-Hispanic-white share, and a median household income of $53,202 describe the county. The county's voting pattern over the last decade is most similar to that of Custer County and Shasta County.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Lemhi County, Idaho. Akashic. https://akashic.app/county/16059/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More stable rural right counties
Frequently asked questions
How did Lemhi County, Idaho vote in 2024?
In 2024, Lemhi County, Idaho voted Republican by 54.9 points (R+55), carried by the Republican candidate. Out of 4,874 votes cast, 1,038 went Democratic and 3,716 went Republican.
What is Lemhi County, Idaho's political typology?
Akashic places Lemhi County, Idaho in the "Stable Rural Right" typology — Mountain, Plains, and rural Republican counties already near their ceiling, with little further room to swing. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 7 times, Republican 27 times, and other 0 times.
When did Lemhi County, Idaho last vote Democratic?
The most recent presidential election in which Lemhi County, Idaho voted Democratic was 1940.
How many people live in Lemhi County, Idaho?
Lemhi County, Idaho has a population of 8,249 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Lemhi County, Idaho?
Median household income in Lemhi County, Idaho is $53,202 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Lemhi County, Idaho?
Akashic tracks 38 presidential elections in Lemhi County, Idaho from 1876 to 2024. Of those, 7 went Democratic and 27 went Republican. The county's typology — "Stable Rural Right" — captures where that record, its demographics, and its recent swing place it among American communities.