Ziebach County, South Dakota
Precinct data
Results by precinct
14 precincts · 781 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Precinct-5 North Dupree (Precinct-6 Redelm, Precinct-8 South Dupree)Precinct-5 North Dupree (Precinct-6 Redelm, Precinct-8 South Dupree) | 144 | 219 | 11 | 374 | 38.5% | 58.6% | R+20.1 |
|---|---|---|---|---|---|---|---|
| Precinct -Precinct-3 DavisPrecinct-3 Davis | 128 | 75 | 11 | 214 | 59.8% | 35.0% | D+24.8 |
| Precinct -Precinct-4 Glad ValleyPrecinct-4 Glad Valley | 9 | 54 | 0 | 63 | 14.3% | 85.7% | R+71.4 |
| Precinct -Precinct-2 Cherry CreekPrecinct-2 Cherry Creek | 48 | 10 | 1 | 59 | 81.4% | 16.9% | D+64.4 |
| Precinct -Precinct-7 Red ScaffoldPrecinct-7 Red Scaffold | 25 | 18 | 3 | 46 | 54.3% | 39.1% | D+15.2 |
| Precinct -Precinct-1 BridgerPrecinct-1 Bridger | 12 | 12 | 1 | 25 | 48.0% | 48.0% | Even |
| VTD-precinct BridgerBR | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct Cherry CreekCC | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct DavisDV | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct Glad ValleyGV | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct North DupreeND | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct Red ScaffoldRS | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct RedelmRD | 0 | 0 | 0 | 0 | — | — | Even |
| VTD-precinct South DupreeSD | 0 | 0 | 0 | 0 | — | — | Even |
Presidential margin, 1912–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1912 | +45.6% |
| 1916 | −12.8% |
| 1920 | −42.6% |
| 1924 | −42.2% |
| 1928 | −10.4% |
| 1932 | +35.3% |
| 1936 | +13.3% |
| 1940 | −0.3% |
| 1944 | +3.4% |
| 1948 | +4.1% |
| 1952 | −35.4% |
| 1956 | −14.1% |
| 1960 | −5.2% |
| 1964 | +10.7% |
| 1968 | −11.6% |
| 1972 | −12.4% |
| 1976 | +0.1% |
| 1980 | −34.5% |
| 1984 | −8.8% |
| 1988 | +8.2% |
| 1992 | −6.6% |
| 1996 | +11.6% |
| 2000 | −9.7% |
| 2004 | +17.4% |
| 2008 | +27.2% |
| 2012 | +16.4% |
| 2016 | −2.0% |
| 2020 | +8.5% |
| 2024 | −2.8% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 35.7%242 | 57.4%389 | 678 |
| 2020 | D | 50.4%458 | 49.6%450 | 908 |
Registered voters
By party of registration, over time
Ziebach County, SD registers Democratic but votes Republican — a 19-point gap between how voters register and how they vote, the signature of ancestral registration that trails realignment.
1,595 registered voters · 2026
Who moves in and out
Net domestic migration over time
−1 net domestic migration · 2025
Net −286 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | −17 |
| 2012 | +4 |
| 2013 | −45 |
| 2014 | −26 |
| 2015 | −37 |
| 2016 | +20 |
| 2017 | −124 |
| 2018 | −11 |
| 2019 | +14 |
| 2021 | +6 |
| 2022 | +2 |
| 2023 | −89 |
| 2024 | +18 |
| 2025 | −1 |
Ziebach County, home to the Cheyenne River Sioux Reservation, swung to a Republican margin of 2.8 points in 2024 after years of returning large Democratic margins — a shift driven almost entirely by Native American voter turnout patterns.
Across the recorded series it reached a Democratic high of 45.6 points in 1912 and a Republican high of 42.6 points in 1920. Between 2020 and 2024 the county moved 11.3 points toward the Republican candidate; the 2024 margin was 2.8 points.
A population of 2,377, a 27% non-Hispanic-white share, and a median household income of $53,958 describe the county. The county's voting pattern over the last decade is most similar to that of Dewey County and Sioux 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 →
Ziebach County, South Dakota. Akashic. https://akashic.app/county/46137/. Accessed May 20, 2026. License: CC BY 4.0.