Bon Homme County, South Dakota
Precinct data
Results by precinct
10 precincts · 2,992 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -33 | 193 | 482 | 25 | 700 | 27.6% | 68.9% | R+41.3 |
|---|---|---|---|---|---|---|---|
| Precinct -55 | 135 | 481 | 10 | 626 | 21.6% | 76.8% | R+55.3 |
| Precinct -11 | 96 | 492 | 8 | 596 | 16.1% | 82.6% | R+66.4 |
| Precinct -44 | 149 | 390 | 5 | 544 | 27.4% | 71.7% | R+44.3 |
| Precinct -22 | 124 | 391 | 11 | 526 | 23.6% | 74.3% | R+50.8 |
| VTD-Avon precinct 22 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-Scotland precinct 11 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-Springfield precinct 55 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-Tabor precinct 44 | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-Tyndall precinct 33 | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −34.9% |
| 1896 | −13.1% |
| 1900 | −10.5% |
| 1904 | −26.6% |
| 1908 | −12.9% |
| 1912 | +44.6% |
| 1916 | +1.8% |
| 1920 | −25.9% |
| 1924 | −16.5% |
| 1928 | −2.2% |
| 1932 | +44.0% |
| 1936 | +13.6% |
| 1940 | −10.6% |
| 1944 | −12.6% |
| 1948 | −4.7% |
| 1952 | −31.1% |
| 1956 | −11.4% |
| 1960 | −14.2% |
| 1964 | +16.6% |
| 1968 | −14.6% |
| 1972 | +5.6% |
| 1976 | +6.3% |
| 1980 | −37.8% |
| 1984 | −27.4% |
| 1988 | −7.4% |
| 1992 | +2.4% |
| 1996 | +4.1% |
| 2000 | −23.5% |
| 2004 | −22.6% |
| 2008 | −10.9% |
| 2012 | −21.6% |
| 2016 | −47.1% |
| 2020 | −50.4% |
| 2024 | −51.4% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 17.7%453 | 78.7%2,010 | 2,554 |
| 2020 | R | 27.9%834 | 72.1%2,156 | 2,990 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 9.3 points more Democratic.
3,957 registered voters · 2026
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+71 net domestic migration · 2025
Net +181 over 2011–2025 · gain loss
Arrivals reported $42,493 in average income, against $74,313 for residents who stayed — 43% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+25.5 on average — 26 points more Democratic-leaning than Bon Homme County, SD itself (R+51.4).
Where arrivals came from lean of each source
- Yankton County, SD37R+25.5
Where departures went households, 2022–23
- Yankton County, SD37
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 | −46 |
| 2012 | +16 |
| 2013 | −24 |
| 2014 | 0 |
| 2015 | −26 |
| 2016 | +18 |
| 2017 | +13 |
| 2018 | −28 |
| 2019 | −13 |
| 2021 | +76 |
| 2022 | +78 |
| 2023 | +21 |
| 2024 | +25 |
| 2025 | +71 |
Bon Homme County, anchored by the Missouri River bottomlands and a tight-knit agricultural economy, has delivered Republican presidential margins above 50 points in recent cycles, reflecting the heavily Republican alignment typical of South Dakota's rural, small-population counties.
Across the recorded series it reached a Democratic high of 44.6 points in 1912 and a Republican high of 51.4 points in 2024. Between 2020 and 2024 the county moved 1.0 points toward the Republican candidate; the 2024 margin was 51.4 points.
A population of 7,044, a 86% non-Hispanic-white share, and a median household income of $64,435 describe the county. The county's voting pattern over the last decade is most similar to that of Aurora County and Hanson 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 →
Bon Homme County, South Dakota. Akashic. https://akashic.app/county/46009/. Accessed May 20, 2026. License: CC BY 4.0.