Lewis County, Idaho
Precinct data
Results by precinct
8 precincts · 1,846 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -002002 | 82 | 422 | 13 | 517 | 15.9% | 81.6% | R+65.8 |
|---|---|---|---|---|---|---|---|
| Precinct -004004 | 56 | 339 | 4 | 399 | 14.0% | 85.0% | R+70.9 |
| Precinct -001001 | 80 | 269 | 14 | 363 | 22.0% | 74.1% | R+52.1 |
| Precinct -005005 | 51 | 256 | 3 | 310 | 16.5% | 82.6% | R+66.1 |
| Precinct -003003 | 20 | 149 | 1 | 170 | 11.8% | 87.6% | R+75.9 |
| Precinct -006006 | 9 | 26 | 2 | 37 | 24.3% | 70.3% | R+45.9 |
| Precinct -007007 | 3 | 33 | 1 | 37 | 8.1% | 89.2% | R+81.1 |
| Precinct -008008 | 4 | 9 | 0 | 13 | 30.8% | 69.2% | R+38.5 |
Presidential margin, 1912–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1912 | +27.1% |
| 1916 | +15.4% |
| 1920 | −17.4% |
| 1924 | −2.4% |
| 1928 | −18.0% |
| 1932 | +44.1% |
| 1936 | +51.0% |
| 1940 | +33.3% |
| 1944 | +35.0% |
| 1948 | +41.8% |
| 1952 | +11.9% |
| 1956 | +21.6% |
| 1960 | +29.4% |
| 1964 | +52.3% |
| 1968 | +12.8% |
| 1972 | −19.3% |
| 1976 | +4.2% |
| 1980 | −15.3% |
| 1984 | −21.1% |
| 1988 | +1.3% |
| 1992 | +4.6% |
| 1996 | −9.9% |
| 2000 | −56.9% |
| 2004 | −50.5% |
| 2008 | −44.1% |
| 2012 | −48.1% |
| 2016 | −58.6% |
| 2020 | −61.0% |
| 2024 | −64.9% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 13.0%352 | 80.7%2,194 | 2,718 |
| 2020 | R | 19.3%357 | 76.8%1,420 | 1,848 |
Registered voters
By party of registration, over time
Registration and the presidential vote track closely here — within 0.8 points.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2018 | 2,030 | 160 | 1,243 | 613 | 14 |
| 2020 | 2,228 | 175 | 1,453 | 577 | 23 |
| 2022 | 2,200 | 148 | 1,517 | 503 | 32 |
| 2024 | 2,318 | 156 | 1,641 | 485 | 36 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+20 net domestic migration · 2025
Net +324 over 2011–2025 · gain loss
Arrivals reported $53,328 in average income, against $64,325 for residents who stayed — 17% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+54.1 on average — 11 points more Democratic-leaning than Lewis County, ID itself (R+64.9).
Where arrivals came from lean of each source
- Idaho County, ID35R+67.8
- Nez Perce County, ID31R+38.6
Where departures went households, 2022–23
- Idaho County, ID51
- Nez Perce County, ID40
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 | −15 |
| 2012 | +13 |
| 2013 | −11 |
| 2014 | +6 |
| 2015 | −36 |
| 2016 | +49 |
| 2017 | +35 |
| 2018 | −49 |
| 2019 | +7 |
| 2021 | +202 |
| 2022 | +66 |
| 2023 | +36 |
| 2024 | +1 |
| 2025 | +20 |
Lewis County's roughly 3,700 residents are spread across rolling Camas Prairie farmland, and its electorate has tilted Republican by double digits for decades — reaching a 65-point margin in 2024.
Across the recorded series it reached a Democratic high of 52.3 points in 1964 and a Republican high of 64.9 points in 2024. Between 2020 and 2024 the county moved 3.9 points toward the Republican candidate; the 2024 margin was 64.9 points.
A population of 3,682, a 82% non-Hispanic-white share, and a median household income of $51,615 describe the county. The county's voting pattern over the last decade is most similar to that of Idaho County and Thomas 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 →
Lewis County, Idaho. Akashic. https://akashic.app/county/16061/. Accessed May 20, 2026. License: CC BY 4.0.