Franklin County, Idaho
Precinct data
Results by precinct
18 precincts · 7,184 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -10 FRANKLIN10 FRANKLIN | 75 | 689 | 21 | 785 | 9.6% | 87.8% | R+78.2 |
|---|---|---|---|---|---|---|---|
| Precinct -02 PRESTON02 PRESTON | 61 | 499 | 17 | 577 | 10.6% | 86.5% | R+75.9 |
| Precinct -05 PRESTON05 PRESTON | 54 | 478 | 8 | 540 | 10.0% | 88.5% | R+78.5 |
| Precinct -15 WESTON15 WESTON | 40 | 485 | 7 | 532 | 7.5% | 91.2% | R+83.6 |
| Precinct -01 PRESTON01 PRESTON | 60 | 448 | 21 | 529 | 11.3% | 84.7% | R+73.3 |
| Precinct -09 FAIRVIEW09 FAIRVIEW | 65 | 432 | 14 | 511 | 12.7% | 84.5% | R+71.8 |
| Precinct -03 PRESTON03 PRESTON | 39 | 425 | 11 | 475 | 8.2% | 89.5% | R+81.3 |
| Precinct -08 DAYTON08 DAYTON | 37 | 404 | 14 | 455 | 8.1% | 88.8% | R+80.7 |
| Precinct -04 PRESTON04 PRESTON | 66 | 367 | 10 | 443 | 14.9% | 82.8% | R+67.9 |
| Precinct -17 WORMCREEK17 WORMCREEK | 47 | 374 | 9 | 430 | 10.9% | 87.0% | R+76.0 |
| Precinct -16 WHITNEY16 WHITNEY | 29 | 366 | 13 | 408 | 7.1% | 89.7% | R+82.6 |
| Precinct -14 TREASURETON-RIVERDALE14 TREASURETON-RIVERDALE | 25 | 343 | 15 | 383 | 6.5% | 89.6% | R+83.0 |
| Precinct -11 MAPLETON11 MAPLETON | 25 | 294 | 11 | 330 | 7.6% | 89.1% | R+81.5 |
| Precinct -07 CLIFTON-OXFORD07 CLIFTON-OXFORD | 27 | 273 | 13 | 313 | 8.6% | 87.2% | R+78.6 |
| Precinct -12 MINK CREEK12 MINK CREEK | 23 | 155 | 8 | 186 | 12.4% | 83.3% | R+71.0 |
| Precinct -06 BANIDA06 BANIDA | 15 | 148 | 7 | 170 | 8.8% | 87.1% | R+78.2 |
| Precinct -18 MOUND VALLEY18 MOUND VALLEY | 7 | 62 | 2 | 71 | 9.9% | 87.3% | R+77.5 |
| Precinct -13 CLEVELAND13 CLEVELAND | 8 | 37 | 1 | 46 | 17.4% | 80.4% | R+63.0 |
Presidential margin, 1916–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 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% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 7.0%604 | 83.3%7,176 | 8,610 |
| 2020 | R | 8.8%585 | 85.8%5,678 | 6,614 |
Registered voters
By party of registration, over time
Registration and the presidential vote track closely here — within 0.2 points.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2018 | 6,150 | 167 | 4,637 | 1,274 | 72 |
| 2020 | 7,187 | 273 | 5,543 | 1,285 | 86 |
| 2022 | 7,286 | 248 | 5,811 | 1,142 | 85 |
| 2024 | 7,991 | 254 | 6,475 | 1,164 | 98 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+149 net domestic migration · 2025
Net +1,403 over 2011–2025 · gain loss
Arrivals reported $71,571 in average income, against $75,715 for residents who stayed — 5% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+34.4 on average — 43 points more Democratic-leaning than Franklin County, ID itself (R+77.6).
Where arrivals came from lean of each source
- Cache County, UT131R+34.4
Where departures went households, 2022–23
- Cache County, UT116
- Bannock County, ID21
- Salt Lake County, UT20
Migration is one input to a place’s political change, not its cause — a shift can also come from residents changing their minds, generational turnover, or turnout. These figures describe the places people moved between; they do not measure how any mover voted.
| Year | Net domestic migration |
|---|---|
| 2011 | −101 |
| 2012 | −119 |
| 2013 | −77 |
| 2014 | +60 |
| 2015 | −52 |
| 2016 | +262 |
| 2017 | +95 |
| 2018 | +154 |
| 2019 | +90 |
| 2021 | +293 |
| 2022 | +400 |
| 2023 | +223 |
| 2024 | +26 |
| 2025 | +149 |
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.
Across the recorded series it reached a Democratic high of 23.4 points in 1936 and a Republican high of 87.0 points in 2012. The 2024 margin was 77.6 points.
A population of 15,056, a 89% 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 Millard County and Jefferson County.
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
Browse places by community — income, education, race & ethnicity, language — all community cuts →
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 →
Franklin County, Idaho. Akashic. https://akashic.app/county/16041/. Accessed May 20, 2026. License: CC BY 4.0.