Hardin County, Iowa
Precinct data
Results by precinct
8 precincts · 8,434 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Iowa Falls 2 PctIowa Falls 2 Pct | 462 | 872 | 14 | 1,348 | 34.3% | 64.7% | R+30.4 |
|---|---|---|---|---|---|---|---|
| Precinct -Concord/Sherman/Grant/Tipton PctConcord/Sherman/Grant/Tipton Pct | 293 | 954 | 16 | 1,263 | 23.2% | 75.5% | R+52.3 |
| Precinct -Etna/Clay PctEtna/Clay Pct | 366 | 839 | 17 | 1,222 | 30.0% | 68.7% | R+38.7 |
| Precinct -Eldora City PctEldora City Pct | 362 | 738 | 12 | 1,112 | 32.6% | 66.4% | R+33.8 |
| Precinct -Iowa Falls 1 PctIowa Falls 1 Pct | 412 | 593 | 8 | 1,013 | 40.7% | 58.5% | R+17.9 |
| Precinct -Eldora/Pleasant/Providence/Union PctEldora/Pleasant/Providence/Union Pct | 233 | 691 | 9 | 933 | 25.0% | 74.1% | R+49.1 |
| Precinct -Hardin/Ellis/Jackson PctHardin/Ellis/Jackson Pct | 218 | 611 | 8 | 837 | 26.0% | 73.0% | R+47.0 |
| Precinct -Alden/Buckeye PctAlden/Buckeye Pct | 207 | 492 | 7 | 706 | 29.3% | 69.7% | R+40.4 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −25.5% |
| 1896 | −38.4% |
| 1900 | −48.0% |
| 1904 | −62.7% |
| 1908 | −43.2% |
| 1912 | +7.6% |
| 1916 | −37.6% |
| 1920 | −70.4% |
| 1924 | −51.5% |
| 1928 | −41.2% |
| 1932 | +16.2% |
| 1936 | +11.3% |
| 1940 | −8.8% |
| 1944 | −11.9% |
| 1948 | −6.0% |
| 1952 | −42.0% |
| 1956 | −27.5% |
| 1960 | −24.7% |
| 1964 | +17.5% |
| 1968 | −22.8% |
| 1972 | −24.6% |
| 1976 | −2.2% |
| 1980 | −15.8% |
| 1984 | −7.4% |
| 1988 | +13.7% |
| 1992 | +2.2% |
| 1996 | +6.6% |
| 2000 | −8.9% |
| 2004 | −9.6% |
| 2008 | +0.9% |
| 2012 | −6.7% |
| 2016 | −28.6% |
| 2020 | −32.0% |
| 2024 | −38.3% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 31.0%2,044 | 69.0%4,539 | 6,583 |
| 2020 | R | 33.0%2,920 | 63.8%5,639 | 8,838 |
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 | 12,853 | 3,448 | 4,368 | 5,035 | 2 |
| 2010 | 12,203 | 3,147 | 4,435 | 4,616 | 5 |
| 2012 | 12,326 | 2,965 | 4,888 | 4,464 | 9 |
| 2014 | 12,203 | 2,840 | 4,868 | 4,480 | 15 |
| 2016 | 12,031 | 2,789 | 4,923 | 4,271 | 48 |
| 2018 | 11,667 | 2,641 | 4,858 | 4,094 | 74 |
| 2020 | 11,932 | 2,890 | 5,310 | 3,656 | 76 |
| 2022 | 11,758 | 2,681 | 5,349 | 3,650 | 78 |
| 2024 | 11,529 | 2,431 | 5,434 | 3,573 | 91 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
+51 net domestic migration · 2025
Net −600 over 2011–2025 · gain loss
Arrivals reported $51,362 in average income, against $81,855 for residents who stayed — 37% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+10.9 on average — 27 points more Democratic-leaning than Hardin County, IA itself (R+38.3).
Where arrivals came from lean of each source
- Story County, IA30D+10.3
- Polk County, IA28D+10.8
- Hamilton County, IA24R+33.2
- Franklin County, IA23R+41.6
Where departures went households, 2022–23
- Story County, IA52
- Polk County, IA43
- Black Hawk County, IA30
- Franklin County, IA28
- Grundy County, IA25
- Marshall County, IA23
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 | −139 |
| 2012 | +22 |
| 2013 | +43 |
| 2014 | −43 |
| 2015 | −49 |
| 2016 | −32 |
| 2017 | −96 |
| 2018 | −115 |
| 2019 | −58 |
| 2021 | +10 |
| 2022 | −18 |
| 2023 | −135 |
| 2024 | −41 |
| 2025 | +51 |
Hardin County's presidential margins have widened steadily over the past three cycles, reaching R+38 in 2024 — a shift driven by a largely rural, agriculture-dependent population with one of the state's lower population densities.
Across the recorded series it reached a Democratic high of 17.5 points in 1964 and a Republican high of 70.4 points in 1920. Between 2020 and 2024 the county moved 6.3 points toward the Republican candidate; the 2024 margin was 38.3 points.
A population of 16,639, a 90% non-Hispanic-white share, and a median household income of $65,069 describe the county. The county's voting pattern over the last decade is most similar to that of Butler County and Clayton 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 →
Hardin County, Iowa. Akashic. https://akashic.app/county/19083/. Accessed May 20, 2026. License: CC BY 4.0.