Franklin County, Idaho: Stable Rural Right county. In 2024, voted R+78%. Republican peak: R+87 in 2012.
Key facts
- 2024 presidential margin
- R+78MIT Election Lab
- Political typology
- Stable Rural RightAkashic typology
- Population
- 15,0562024 5-year
- Median household income
- $71,9502024 5-year
- White (non-Hispanic)
- 90.7%2024 5-year
- Black
- 0.1%2024 5-year
- Hispanic / Latino
- 7.4%2024 5-year
- Peak Democratic margin
- D+23 in 1936MIT Election Lab
- Peak Republican margin
- R+87 in 2012MIT Election Lab
- Most similar
- Cassia County, ID · similarity 1.00
2024 results by precinct
2024 precinct map of Franklin CountyPrecinct-level 2024 presidential results for Franklin 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 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | +13.2% |
| 1920 | −28.4% |
| 1924 | −31.3% |
| 1928 | −17.9% |
| 1932 | +2.9% |
| 1936 | +23.4% |
| 1940 | +2.1% |
| 1944 | +0.5% |
| 1948 | −6.9% |
| 1952 | −46.7% |
| 1956 | −40.6% |
| 1960 | −32.1% |
| 1964 | −20.5% |
| 1968 | −44.2% |
| 1972 | −55.9% |
| 1976 | −39.0% |
| 1980 | −73.4% |
| 1984 | −75.4% |
| 1988 | −56.5% |
| 1992 | −39.3% |
| 1996 | −41.8% |
| 2000 | −72.6% |
| 2004 | −80.6% |
| 2008 | −71.9% |
| 2012 | −87.0% |
| 2016 | −63.9% |
| 2020 | −77.9% |
| 2024 | −77.6% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 703 | 6,279 | 7,184 | ||
| R | 657 | 5,845 | 6,664 | ||
| R | 385 | 3,901 | 5,499 | ||
| R | 325 | 5,195 | 5,600 | ||
| R | 600 | 4,246 | 5,073 | ||
| R | 456 | 4,527 | 5,054 | ||
| R | 513 | 3,594 | 4,243 | ||
| R | 807 | 2,435 | 3,892 | ||
| R | 524 | 2,115 | 4,050 | ||
| R | 806 | 2,992 | 3,871 | ||
| R | 439 | 3,261 | 3,742 | ||
| R | 511 | 3,669 | 4,301 | ||
| R | 1,157 | 2,720 | 4,012 | ||
| R | 611 | 2,787 | 3,893 | ||
| R | 831 | 2,509 | 3,795 | ||
| R | 1,583 | 2,400 | 3,983 | ||
| R | 1,352 | 2,633 | 3,985 | ||
| R | 1,181 | 2,795 | 3,976 | ||
| R | 1,181 | 3,252 | 4,436 | ||
| R | 1,763 | 2,028 | 3,813 | ||
| D | 1,971 | 1,950 | 3,925 | ||
| D | 2,158 | 2,069 | 4,227 | ||
| D | 2,255 | 1,396 | 3,670 | ||
| D | 1,871 | 1,764 | 3,641 | ||
| R | 1,193 | 1,718 | 2,926 | ||
| R | 540 | 1,361 | 2,624 | ||
| R | 899 | 1,612 | 2,511 | ||
| D | 1,425 | 1,089 | 2,546 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
25.2%
German
10.0%
American
9.6%
Irish
4.5%
Scottish
3.7%
French
1.7%
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: 33.3 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
$71,950
Franklin County ranks near the middle of US counties.
Franklin County$71,950
Idaho$77,800
United States$80,734
Franklin County ranks near the middle 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
7.9%
Child poverty is below the national average.
Children under 185.9%
Working age (18–64)8.2%
Seniors (65+)14.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
92.9%
speak English only
Spanish5.3%
Other Indo-European1.3%
Asian & Pacific Islander0.4%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 0.0% of residents not counted as adherents by any reporting body.
Franklin County, tucked into Idaho's southeastern corner near the Utah border, recorded an R+77.9 margin in 2024 — among the widest presidential spreads in the state, reflecting its heavily rural, religiously homogeneous LDS population.
The Republican margin here reached eighty-seven points in 2012. The 2024 margin was seventy-eight points.
A population of 15,056, a 91% non-Hispanic-white share, and a median household income of $71,950 describe the county. The county's voting pattern over the last decade is most similar to that of Cassia County and Millard 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.
Franklin County, Idaho. Akashic. https://akashic.app/county/16041/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More stable rural right counties
Frequently asked questions
How did Franklin County, Idaho vote in 2024?
In 2024, Franklin County, Idaho voted Republican by 77.6 points (R+78), carried by the Republican candidate. Out of 7,184 votes cast, 703 went Democratic and 6,279 went Republican.
What is Franklin County, Idaho's political typology?
Akashic places Franklin 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 5 times, Republican 23 times, and other 0 times.
When did Franklin County, Idaho last vote Democratic?
The most recent presidential election in which Franklin County, Idaho voted Democratic was 1944.
How many people live in Franklin County, Idaho?
Franklin County, Idaho has a population of 15,056 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Franklin County, Idaho?
Median household income in Franklin County, Idaho is $71,950 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Franklin County, Idaho?
Akashic tracks 38 presidential elections in Franklin County, Idaho from 1876 to 2024. Of those, 5 went Democratic and 23 went Republican. The county's typology — "Stable Rural Right" — captures where that record, its demographics, and its recent swing place it among American communities.