Clark County, Idaho: New American county. In 2024, voted R+69%. Republican peak: R+73 in 2004.
Key facts
- 2024 presidential margin
- R+69MIT Election Lab
- Political typology
- New AmericanAkashic 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.
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 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | No data |
| 1920 | −52.6% |
| 1924 | −63.4% |
| 1928 | −50.0% |
| 1932 | +8.1% |
| 1936 | −5.5% |
| 1940 | −30.6% |
| 1944 | −27.5% |
| 1948 | −22.5% |
| 1952 | −50.4% |
| 1956 | −35.6% |
| 1960 | −23.3% |
| 1964 | −17.0% |
| 1968 | −45.2% |
| 1972 | −60.3% |
| 1976 | −31.9% |
| 1980 | −60.5% |
| 1984 | −70.8% |
| 1988 | −35.2% |
| 1992 | −23.6% |
| 1996 | −34.3% |
| 2000 | −64.9% |
| 2004 | −72.5% |
| 2008 | −64.3% |
| 2012 | −51.5% |
| 2016 | −56.2% |
| 2020 | −71.7% |
| 2024 | −69.1% |
DemocraticRepublican
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
2024 ACS
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.
2024 ACS
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.
2024 ACS
Median household income
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
Clark 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
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.
2024 ACS
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.
2020 religion census
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.
Clark County has leaned Republican in recent presidential elections, reaching a Democratic margin of eight points in 1932. Between 2020 and 2024 the county moved three points toward the Democratic candidate; the 2024 margin was sixty-nine points.
Its demographics describe the shift: a 70% non-Hispanic-white share, a median household income of $55,208, and a population of 849. The county's voting pattern over the last decade is most similar to that of Jerome County and Minidoka 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.
Clark County, Idaho. Akashic. https://akashic.app/county/16033/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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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 typology?
Akashic places Clark County, Idaho in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. 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 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 typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.