Sac County, Iowa
Precinct data
Results by precinct
9 precincts · 5,448 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Sac City Pct 4Sac City Pct 4 | 427 | 815 | 18 | 1,260 | 33.9% | 64.7% | R+30.8 |
|---|---|---|---|---|---|---|---|
| Precinct -Lake View Pct 7Lake View Pct 7 | 243 | 813 | 9 | 1,065 | 22.8% | 76.3% | R+53.5 |
| Precinct -Odebolt Pct 6Odebolt Pct 6 | 123 | 597 | 4 | 724 | 17.0% | 82.5% | R+65.5 |
| Precinct -Wall Lake Pct 9Wall Lake Pct 9 | 99 | 503 | 4 | 606 | 16.3% | 83.0% | R+66.7 |
| Precinct -Schaller Pct 1Schaller Pct 1 | 137 | 435 | 13 | 585 | 23.4% | 74.4% | R+50.9 |
| Precinct -Early Pct 3Early Pct 3 | 95 | 300 | 7 | 402 | 23.6% | 74.6% | R+51.0 |
| Precinct -Lytton Pct 5Lytton Pct 5 | 70 | 260 | 1 | 331 | 21.1% | 78.5% | R+57.4 |
| Precinct -Auburn Pct 8Auburn Pct 8 | 46 | 231 | 2 | 279 | 16.5% | 82.8% | R+66.3 |
| Precinct -Nemaha Pct 2Nemaha Pct 2 | 49 | 146 | 1 | 196 | 25.0% | 74.5% | R+49.5 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −18.9% |
| 1896 | −29.8% |
| 1900 | −38.0% |
| 1904 | −49.3% |
| 1908 | −30.7% |
| 1912 | +13.7% |
| 1916 | −11.4% |
| 1920 | −58.7% |
| 1924 | −50.4% |
| 1928 | −29.6% |
| 1932 | +14.0% |
| 1936 | +12.9% |
| 1940 | −7.4% |
| 1944 | −7.8% |
| 1948 | +2.6% |
| 1952 | −44.6% |
| 1956 | −20.0% |
| 1960 | −22.7% |
| 1964 | +19.5% |
| 1968 | −29.6% |
| 1972 | −23.9% |
| 1976 | −5.4% |
| 1980 | −27.9% |
| 1984 | −16.3% |
| 1988 | +4.0% |
| 1992 | −4.6% |
| 1996 | −0.8% |
| 2000 | −13.5% |
| 2004 | −17.0% |
| 2008 | −8.9% |
| 2012 | −18.4% |
| 2016 | −46.3% |
| 2020 | −48.3% |
| 2024 | −51.5% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 23.4%914 | 76.6%2,999 | 3,913 |
| 2020 | R | 26.3%1,440 | 70.3%3,849 | 5,478 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 12 points more Democratic.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 8,181 | 1,728 | 3,026 | 3,425 | 2 |
| 2010 | 8,296 | 1,634 | 3,462 | 3,195 | 5 |
| 2012 | 7,798 | 1,519 | 3,291 | 2,984 | 4 |
| 2014 | 7,620 | 1,436 | 3,261 | 2,918 | 5 |
| 2016 | 7,406 | 1,364 | 3,302 | 2,724 | 16 |
| 2018 | 7,217 | 1,305 | 3,330 | 2,555 | 27 |
| 2020 | 7,282 | 1,302 | 3,746 | 2,208 | 26 |
| 2022 | 7,219 | 1,142 | 3,803 | 2,245 | 29 |
| 2024 | 7,264 | 1,015 | 3,872 | 2,343 | 34 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−89 net domestic migration · 2025
Net −552 over 2011–2025 · gain loss
Arrivals reported $55,121 in average income, against $83,616 for residents who stayed — 34% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+41.8 on average — 9.7 points more Democratic-leaning than Sac County, IA itself (R+51.5).
Where arrivals came from lean of each source
- Buena Vista County, IA39R+33.2
- Ida County, IA21R+53.2
- Calhoun County, IA20R+46.7
Where departures went households, 2022–23
- Buena Vista County, IA29
- Carroll County, IA27
- Ida County, IA27
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 | −80 |
| 2012 | −35 |
| 2013 | −94 |
| 2014 | +35 |
| 2015 | −46 |
| 2016 | −126 |
| 2017 | +5 |
| 2018 | −63 |
| 2019 | +29 |
| 2021 | +4 |
| 2022 | −31 |
| 2023 | +30 |
| 2024 | −91 |
| 2025 | −89 |
Sac County's population has declined steadily for decades as agriculture consolidated, leaving a small, older, and overwhelmingly rural electorate that has drifted toward increasingly wide Republican margins in presidential races.
Across the recorded series it reached a Democratic high of 19.5 points in 1964 and a Republican high of 58.7 points in 1920. Between 2020 and 2024 the county moved 3.2 points toward the Republican candidate; the 2024 margin was 51.5 points.
A population of 9,689, a 92% non-Hispanic-white share, and a median household income of $73,838 describe the county. The county's voting pattern over the last decade is most similar to that of Calhoun County and Kossuth 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 →
Sac County, Iowa. Akashic. https://akashic.app/county/19161/. Accessed May 20, 2026. License: CC BY 4.0.