HarrisDemocratic46.9%366TrumpRepublican49.7%388KennedyIndependent2.9%23
R+2.8- Lead
- 22
- Total
- 781
- vs nation
- R+1.3
- Turnout
- 45.1%
Akashiccounty
Ziebach County, SD
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
President results by year
2024 turnout 45.1% of 1,768 citizens 18+
BidenDemocratic53.1%481TrumpRepublican44.6%404JorgensenLibertarian2.3%21
D+8.5- Lead
- 77
- Total
- 906
- vs nation
- D+4.0
- Turnout
- 47.0%
ClintonDemocratic46.0%353TrumpRepublican48.0%368JohnsonLibertarian3.7%28
R+2.0- Lead
- 15
- Total
- 767
- vs nation
- R+4.0
- Turnout
- 43.2%
ObamaDemocratic57.7%439RomneyRepublican41.3%314OtherAll other candidates1.1%8
D+16.4- Lead
- 125
- Total
- 761
- vs nation
- D+12.6
- Turnout
- —
ObamaDemocratic62.2%554McCainRepublican35.0%312OtherAll other candidates2.8%25
D+27.2- Lead
- 242
- Total
- 891
- vs nation
- D+19.9
- Turnout
- —
KerryDemocratic57.4%641BushRepublican40.1%447OtherAll other candidates2.5%28
D+17.4- Lead
- 194
- Total
- 1,116
- vs nation
- D+19.8
- Turnout
- —
GoreDemocratic43.6%314BushRepublican53.3%384OtherAll other candidates3.2%23
R+9.7- Lead
- 70
- Total
- 721
- vs nation
- R+10.2
- Turnout
- —
ClintonDemocratic51.9%483DoleRepublican40.3%375PerotReform6.7%62
D+11.6- Lead
- 108
- Total
- 930
- vs nation
- D+3.1
- Turnout
- —
Key facts
- 2024 presidential margin
- R+2.8MIT Election Lab
- Population
- 2,3772024 5-year
- Median household income
- $53,9582024 5-year
- White (non-Hispanic)
- 27.1%2024 5-year
- Black
- 0.0%2024 5-year
- Hispanic / Latino
- 1.5%2024 5-year
- Peak Democratic margin
- D+45.6 in 1912MIT Election Lab
- Peak Republican margin
- R+42.6 in 1920MIT Election Lab
- Most similar
- Dewey County, SD · twin score 90.6
Midterm durability
Total general-election participants divided by same-year citizen voting-age population. These are total ballots or participating voters—not presidential candidate votes.
- 2024 total turnout
- 45.1%798 participants ÷ 1,768 CVAP
- 2020→2022 drop-off
- +5.8 ptsMidterm-resilient, low base
- Drop-off versus state
- -6.4 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 39.3%–42.5%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 785 | 1,817 | 43.2% | A/A |
| 2018 · Midterm | 832 | 1,901 | 43.8% | A/A |
| 2020 · Presidential | 924 | 1,964 | 47.0% | A/A |
| 2022 · Midterm | 725 | 1,759 | 41.2% | C/A |
| 2024 · Presidential | 798 | 1,768 | 45.1% | A/A |
Sources and methods
- 2016: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 293/111.
- 2018: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 297/138.
- 2020: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 301/2.
- 2022: numerator source 159, denominator source 157; top ticket votes; canonical-complete-contest-floor-v1; allocation share 0.0%; series 154/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
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% | Exact tie |
| VTD-precinct BridgerBR | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct Cherry CreekCC | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct DavisDV | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct Glad ValleyGV | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct North DupreeND | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct Red ScaffoldRS | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct RedelmRD | 0 | 0 | 0 | 0 | — | — | No votes |
| VTD-precinct South DupreeSD | 0 | 0 | 0 | 0 | — | — | No votes |
presidential history
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% |
DemocraticRepublican
Federal and statewide elections · 2 House · 37 Senate · 12 governor
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | R | 45.3%428 | 54.7%516 | 944 |
| 2020 | R | 0.0%0 | 100.0%531 | 531 |
U.S. Senate
Each row shows U.S. Senate votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
Governor
Each row shows Governor votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
voter registration
Registered voters
By party of registration, over time
Party registration · 2026D+16.6
Presidential vote · 2024R+2.8
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
domestic migration
Who moves in and out
Net domestic migration over time
−1 net domestic migration · 2025
20112025
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.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Dewey County
South Dakota
90.6twin score
2004–2020 trajectory% White≠ median age
Sioux County
North Dakota
89.6twin score
% Whitepopulation scalecollege share≠ 2000 margin
Todd County
South Dakota
88.8twin score
% Whitecollege shareEnglish ancestry≠ 2000 margin
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 →
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Ziebach County, South Dakota. Akashic. https://akashic.app/county/46137/. Accessed May 20, 2026. License: CC BY 4.0.
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Frequently asked questions
How did Ziebach County, South Dakota vote in 2024?
In 2024, Ziebach County, South Dakota voted Republican by 2.8 points (R+2.8), carried by the Republican candidate. Out of 781 votes cast, 366 went Democratic and 388 went Republican.
When did Ziebach County, South Dakota last vote Democratic?
The most recent presidential election in which Ziebach County, South Dakota voted Democratic was 2020.
How many people live in Ziebach County, South Dakota?
Ziebach County, South Dakota has a population of 2,377 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Ziebach County, South Dakota?
Median household income in Ziebach County, South Dakota is $53,958 — below the national median of $80,734. The South Dakota state median is $75,081.
What is the political history of Ziebach County, South Dakota?
Akashic tracks 38 presidential elections in Ziebach County, South Dakota from 1876 to 2024. Of those, 12 went Democratic and 16 went Republican.