Clark County, Idaho: Republican loyalist county. In 2024, voted R+69%. Republican peak: R+73 in 2004.
Key facts
- 2024 presidential margin
- R+69MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 8492024 5-year
- Median household income
- $55,2082024 5-year
- White (non-Hispanic)
- 70.4%2024 5-year
- Black
- 0.0%2024 5-year
- Hispanic / Latino
- 28.7%2024 5-year
- Peak Democratic margin
- D+8 in 1932MIT Election Lab
- Peak Republican margin
- R+73 in 2004MIT Election Lab
- Most similar
- Jerome County, ID · similarity 1.00
2024 results by precinct
2024 precinct map of Clark CountyPrecinct-level 2024 presidential results for Clark County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 50 | 280 | 333 | ||
| R | 41 | 264 | 311 | ||
| R | 44 | 203 | 283 | ||
| R | 66 | 235 | 328 | ||
| R | 64 | 305 | 375 | ||
| R | 46 | 302 | 353 | ||
| R | 63 | 311 | 382 | ||
| R | 117 | 266 | 434 | ||
| R | 95 | 195 | 423 | ||
| R | 133 | 281 | 421 | ||
| R | 59 | 353 | 415 | ||
| R | 87 | 379 | 483 | ||
| R | 169 | 334 | 518 | ||
| R | 64 | 339 | 456 | ||
| R | 87 | 271 | 407 | ||
| R | 186 | 262 | 448 | ||
| R | 176 | 283 | 459 | ||
| R | 151 | 318 | 469 | ||
| R | 126 | 382 | 508 | ||
| R | 165 | 262 | 432 | ||
| R | 180 | 317 | 499 | ||
| R | 212 | 399 | 611 | ||
| R | 272 | 304 | 580 | ||
| D | 325 | 276 | 602 | ||
| R | 129 | 388 | 518 | ||
| R | 43 | 496 | 714 | ||
| R | 184 | 594 | 779 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
15.0%
American
13.9%
German
7.3%
Scottish
4.1%
Irish
3.4%
Italian
1.4%
French
0.7%
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.
Age distribution by sex
Median age: 31.1 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.
Median household income
2024 inflation-adjusted dollars
$55,208
Clark County ranks in the bottom 25% of US counties.
Clark County$55,208
Idaho$77,800
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
11.7%
Child poverty is below the national average.
Children under 1813.6%
Working age (18–64)11.3%
Seniors (65+)5.9%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
72.3%
speak English only
Spanish27.2%
Other Indo-European0.5%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 71.0% of residents not counted as adherents by any reporting body.
Clark County's roughly 1,000 residents make it among the smallest counties by population in the contiguous U.S., and its presidential margins have consistently ranked among Idaho's widest, reflecting a sparse, ranching-dominated landscape far from any urban center.
The Republican margin in Clark County reached its widest at seventy-three points in 2004. The margin in 2024 was sixty-nine points, in line with the county's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $55,208, a 70% non-Hispanic-white share, and a population of 849 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Jerome County and Minidoka County.
Most similar counties
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Clark County, Idaho — The Long Memory. Akashic Intelligence — The Long Memory. https://akashic.app/county/16033/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More republican loyalist counties
Frequently asked questions
How did Clark County, Idaho vote in 2024?
In 2024, Clark County, Idaho voted Republican by 69.1 points (R+69), carried by the Republican candidate. Out of 333 votes cast, 50 went Democratic and 280 went Republican.
What is Clark County, Idaho's political archetype?
Akashic classifies Clark County, Idaho as a "Republican loyalist" county based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the county has voted Democratic 1 times, Republican 26 times, and other 0 times.
When did Clark County, Idaho last vote Democratic?
The most recent presidential election in which Clark County, Idaho voted Democratic was 1932.
How many people live in Clark County, Idaho?
Clark County, Idaho has a population of 849 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Clark County, Idaho?
Median household income in Clark County, Idaho is $55,208 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Clark County, Idaho?
Akashic tracks 38 presidential elections in Clark County, Idaho from 1876 to 2024. Of those, 1 went Democratic and 26 went Republican. The county's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.