Humboldt County, Iowa
Precinct data
Results by precinct
6 precincts · 5,067 votes
Precinct boundaries and identifiers are cycle-specific. This table does not join rows across years without a validated crosswalk.
| Precinct -Precinct 1Precinct 1 | 279 | 846 | 16 | 1,141 | 24.5% | 74.1% | R+49.7 |
|---|---|---|---|---|---|---|---|
| Precinct -Precinct 6Precinct 6 | 238 | 783 | 9 | 1,030 | 23.1% | 76.0% | R+52.9 |
| Precinct -Precinct 3Precinct 3 | 261 | 708 | 14 | 983 | 26.6% | 72.0% | R+45.5 |
| Precinct -Precinct 2Precinct 2 | 281 | 679 | 9 | 969 | 29.0% | 70.1% | R+41.1 |
| Precinct -Precinct 5Precinct 5 | 104 | 445 | 8 | 557 | 18.7% | 79.9% | R+61.2 |
| Precinct -Precinct 4Precinct 4 | 73 | 309 | 5 | 387 | 18.9% | 79.8% | R+61.0 |
Presidential margin, 1892–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1892 | −28.9% |
| 1896 | −43.4% |
| 1900 | −56.9% |
| 1904 | −66.3% |
| 1908 | −49.9% |
| 1912 | +6.2% |
| 1916 | −34.5% |
| 1920 | −67.1% |
| 1924 | −51.9% |
| 1928 | −25.4% |
| 1932 | +15.9% |
| 1936 | +20.0% |
| 1940 | +6.8% |
| 1944 | +4.2% |
| 1948 | +6.6% |
| 1952 | −36.1% |
| 1956 | −15.2% |
| 1960 | −13.3% |
| 1964 | +20.0% |
| 1968 | −24.0% |
| 1972 | −26.9% |
| 1976 | −6.8% |
| 1980 | −29.4% |
| 1984 | −16.9% |
| 1988 | +2.2% |
| 1992 | −10.3% |
| 1996 | −3.2% |
| 2000 | −18.2% |
| 2004 | −19.0% |
| 2008 | −14.3% |
| 2012 | −21.8% |
| 2016 | −45.0% |
| 2020 | −44.6% |
| 2024 | −49.9% |
U.S. Senate
| Year | Won | Democratic | Republican | Total |
|---|---|---|---|---|
| 2022 | R | 24.3%931 | 75.7%2,896 | 3,827 |
| 2020 | R | 27.4%1,443 | 69.8%3,671 | 5,262 |
Registered voters
By party of registration, over time
Registration leans Republican; the presidential vote runs 17 points more Democratic.
| Year | Total registered | Democratic | Republican | Unaffiliated | Other |
|---|---|---|---|---|---|
| 2008 | 7,057 | 1,778 | 2,399 | 2,879 | 1 |
| 2010 | 7,084 | 1,638 | 2,602 | 2,842 | 2 |
| 2012 | 7,014 | 1,504 | 2,643 | 2,863 | 4 |
| 2014 | 6,907 | 1,405 | 2,752 | 2,745 | 5 |
| 2016 | 6,706 | 1,308 | 2,793 | 2,593 | 12 |
| 2018 | 6,618 | 1,267 | 2,800 | 2,516 | 35 |
| 2020 | 6,702 | 1,286 | 3,053 | 2,324 | 39 |
| 2022 | 6,711 | 1,171 | 3,103 | 2,397 | 40 |
| 2024 | 6,728 | 1,015 | 3,226 | 2,446 | 41 |
Who moves in and out
Net migration over time, and who arrivals are — where they came from and what those places vote
−86 net domestic migration · 2025
Net −423 over 2011–2025 · gain loss
Arrivals reported $56,190 in average income, against $90,217 for residents who stayed — 38% lower. (IRS SOI, 2022–23)
The places arrivals came from lean R+31.1 on average — 19 points more Democratic-leaning than Humboldt County, IA itself (R+49.9).
Where arrivals came from lean of each source
- Webster County, IA31R+31.1
Where departures went households, 2022–23
- Webster County, IA34
- Wright 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 | +2 |
| 2012 | −44 |
| 2013 | −45 |
| 2014 | −32 |
| 2015 | −74 |
| 2016 | −21 |
| 2017 | +41 |
| 2018 | −27 |
| 2019 | −7 |
| 2021 | +58 |
| 2022 | −115 |
| 2023 | −50 |
| 2024 | −23 |
| 2025 | −86 |
Humboldt County recorded an R+49.9 margin in the 2024 presidential race, placing it among Iowa's most heavily one-sided counties. Its roughly 10,000 residents are concentrated in small agricultural communities anchored by the county seat of Humboldt.
Across the recorded series it reached a Democratic high of 20.0 points in 1964 and a Republican high of 67.1 points in 1920. Between 2020 and 2024 the county moved 5.2 points toward the Republican candidate; the 2024 margin was 49.9 points.
A population of 9,591, a 90% non-Hispanic-white share, and a median household income of $71,946 describe the county. The county's voting pattern over the last decade is most similar to that of McHenry County and Sanborn 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 →
Humboldt County, Iowa. Akashic. https://akashic.app/county/19091/. Accessed May 20, 2026. License: CC BY 4.0.