Calhoun County, Iowa
Precinct data
Results by precinct
6 precincts · 5,093 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -02 Lincoln Manson Sherman N. Greenfield02 Lincoln Manson Sherman N. Greenfield | 353 | 1,102 | 17 | 1,472 | 24.0% | 74.9% | R+50.9 |
|---|---|---|---|---|---|---|---|
| Precinct -03 Center Garfield Twin Lakes N. Lake Creek N. Logan Rockwell City03 Center Garfield Twin Lakes N. Lake Creek N. Logan Rockwell City | 358 | 874 | 13 | 1,245 | 28.8% | 70.2% | R+41.4 |
| Precinct -05 Calhoun Elm Grove Jackson S. Lake Creek Lake City05 Calhoun Elm Grove Jackson S. Lake Creek Lake City | 340 | 807 | 16 | 1,163 | 29.2% | 69.4% | R+40.2 |
| Precinct -06 Reading Union S. Logan06 Reading Union S. Logan | 110 | 418 | 6 | 534 | 20.6% | 78.3% | R+57.7 |
| Precinct -01 Butler Williams01 Butler Williams | 124 | 331 | 3 | 458 | 27.1% | 72.3% | R+45.2 |
| Precinct -04 Cedar S. Greenfield04 Cedar S. Greenfield | 43 | 176 | 2 | 221 | 19.5% | 79.6% | R+60.2 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −26.7% |
| 1896 | −35.3% |
| 1900 | −41.0% |
| 1904 | −43.8% |
| 1908 | −32.2% |
| 1912 | +6.1% |
| 1916 | −19.5% |
| 1920 | −55.4% |
| 1924 | −42.4% |
| 1928 | −21.2% |
| 1932 | +28.1% |
| 1936 | +19.7% |
| 1940 | +6.8% |
| 1944 | +2.4% |
| 1948 | +1.3% |
| 1952 | −37.4% |
| 1956 | −18.7% |
| 1960 | −17.9% |
| 1964 | +29.0% |
| 1968 | −21.0% |
| 1972 | −21.6% |
| 1976 | −3.4% |
| 1980 | −23.4% |
| 1984 | −13.1% |
| 1988 | +9.4% |
| 1992 | −0.5% |
| 1996 | +2.4% |
| 2000 | −12.8% |
| 2004 | −18.3% |
| 2008 | −7.7% |
| 2012 | −12.5% |
| 2016 | −39.7% |
| 2020 | −42.2% |
| 2024 | −46.7% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 26.5%1,027 | 73.5%2,853 | 3,880 |
| 2020 | R | 29.4%1,531 | 67.5%3,513 | 5,205 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 14 points more Democratic.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 7,236 | 1,830 | 2,269 | 3,134 | 3 |
| 2010 | 7,286 | 1,711 | 2,450 | 3,121 | 4 |
| 2012 | 7,171 | 1,582 | 2,512 | 3,069 | 8 |
| 2014 | 7,045 | 1,505 | 2,502 | 3,022 | 16 |
| 2016 | 6,822 | 1,401 | 2,649 | 2,750 | 22 |
| 2018 | 6,662 | 1,354 | 2,598 | 2,667 | 43 |
| 2020 | 6,784 | 1,387 | 2,938 | 2,408 | 51 |
| 2022 | 6,722 | 1,274 | 2,995 | 2,401 | 52 |
| 2024 | 6,717 | 1,105 | 3,272 | 2,295 | 45 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−24 net domestic migration · 2025
Net −327 over 2011–2025 · gain loss
Arrivals reported $45,242 in average income, against $84,259 for residents who stayed — 46% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+38.6 on average — 8.1 points more Democratic-leaning than Calhoun County, IA itself (R+46.7).
Where arrivals came from lean of each source
- Webster County, IA53R+31.1
- Carroll County, IA22R+41.8
- Pocahontas County, IA21R+53.9
Where departures went households, 2022–23
- Webster County, IA44
- Polk County, IA24
- Carroll County, IA22
- Sac County, IA20
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 | −32 |
| 2012 | −146 |
| 2013 | +16 |
| 2014 | −19 |
| 2015 | −23 |
| 2016 | +32 |
| 2017 | −41 |
| 2018 | −20 |
| 2019 | −25 |
| 2021 | +53 |
| 2022 | −118 |
| 2023 | +83 |
| 2024 | −63 |
| 2025 | −24 |
Calhoun County's R+46.7 presidential margin in 2024 places it among Iowa's most lopsided rural counties, reflecting a broader pattern of small-population agricultural communities shifting decisively away from competitive voting over the past decade.
Across the recorded series it reached a Democratic high of 29.0 points in 1964 and a Republican high of 55.4 points in 1920. Between 2020 and 2024 the county moved 4.5 points toward the Republican candidate; the 2024 margin was 46.7 points.
A population of 9,803, a 91% non-Hispanic-white share, and a median household income of $64,964 describe the county. The county's voting pattern over the last decade is most similar to that of Emmet County and Pocahontas 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 →
Calhoun County, Iowa. Akashic. https://akashic.app/county/19025/. Accessed May 20, 2026. License: CC BY 4.0.