HarrisDemocratic24.3%1,236TrumpRepublican74.2%3,770KennedyWe The People0.8%40
R+49.9- Lead
- 2,534
- Total
- 5,083
- vs nation
- R+48.4
- Turnout
- 72.9%
Akashiccounty
Humboldt County, IA
Office (updates table and map)
President margin by year
Place winner margin
Boundary by 2024 margin · Precinct returns · VEST · MIT Election Lab
The precinct map shows the 2024 presidential vote; the timeline scrubs the county’s overall result across 1892–2024.
President results by year
2024 turnout 72.9% of 7,048 citizens 18+
BidenDemocratic27.1%1,442TrumpRepublican71.7%3,819JorgensenLibertarian0.7%39
R+44.6- Lead
- 2,377
- Total
- 5,327
- vs nation
- R+49.1
- Turnout
- 75.3%
ClintonDemocratic24.4%1,252TrumpRepublican69.4%3,568JohnsonLibertarian2.5%127
R+45.0- Lead
- 2,316
- Total
- 5,141
- vs nation
- R+47.1
- Turnout
- 71.0%
ObamaDemocratic38.2%1,972RomneyRepublican60.1%3,099JohnsonLibertarian0.4%23
R+21.8- Lead
- 1,127
- Total
- 5,158
- vs nation
- R+25.7
- Turnout
- —
ObamaDemocratic42.2%2,160McCainRepublican56.5%2,895OtherAll other candidates1.3%67
R+14.3- Lead
- 735
- Total
- 5,122
- vs nation
- R+21.6
- Turnout
- —
KerryDemocratic40.1%2,146BushRepublican59.1%3,162OtherAll other candidates0.8%42
R+19.0- Lead
- 1,016
- Total
- 5,350
- vs nation
- R+16.5
- Turnout
- —
GoreDemocratic39.5%1,949BushRepublican57.6%2,846NaderGreen2.0%100
R+18.2- Lead
- 897
- Total
- 4,940
- vs nation
- R+18.7
- Turnout
- —
ClintonDemocratic42.2%2,080DoleRepublican45.3%2,236PerotReform12.0%590
R+3.2- Lead
- 156
- Total
- 4,933
- vs nation
- R+11.7
- Turnout
- —
Key facts
- 2024 presidential margin
- R+49.9MIT Election Lab
- Population
- 9,5912024 5-year
- Population density
- 22 / sq mi2024 5-year · TIGER/Line
- Land area
- 434 sq miTIGER/Line
- Median household income
- $71,9462024 5-year
- White (non-Hispanic)
- 90.4%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 5.7%2024 5-year
- Peak Democratic margin
- D+20.0 in 1964MIT Election Lab
- Peak Republican margin
- R+67.1 in 1920MIT Election Lab
- Most similar
- McHenry County, ND · twin score 91.5
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
- 72.9%5,135 participants ÷ 7,048 CVAP
- 2020→2022 drop-off
- +20.9 ptsPresidential-dependent
- Drop-off versus state
- -0.1 ptsPositive means a larger decline than the statewide pattern
- Mechanical 2026 scenario
- 52.0%–55.6%Recent-cycle and two-cycle persistence scenarios; not a forecast
| Election | Participants | CVAP | Turnout | Quality |
|---|---|---|---|---|
| 2016 · Presidential | 5,141 | 7,237 | 71.0% | A/A |
| 2018 · Midterm | 4,110 | 7,151 | 57.5% | A/A |
| 2020 · Presidential | 5,353 | 7,112 | 75.3% | A/A |
| 2022 · Midterm | 3,906 | 7,181 | 54.4% | A/A |
| 2024 · Presidential | 5,135 | 7,048 | 72.9% | 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 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 306/183.
- 2024: numerator source 158, denominator source 157; total voters participating; eavs-f1a-v1:observed:native; allocation share 0.0%; series 311/228.
presidential history
Party record book
Humboldt County, IA · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
60.0%
3,376 votes · D+20.0
Runner-up · Franklin D. Roosevelt, 1936 · 59.0%
Republican
Warren G. Harding1920
82.8%
3,577 votes · R+67.1
Runner-up · Theodore Roosevelt, 1904 · 81.8%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Franklin D. Roosevelt1936
3,420votes
59.0% of the vote · D+20.0
Runner-up · Lyndon B. Johnson, 1964 · 3,376 votes
Republican
Dwight D. Eisenhower1952
4,534votes
67.9% of the vote · R+36.1
Runner-up · Donald Trump, 2020 · 3,819 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Michael Dukakis1988
+9.9pts D vs U.S.
Place D+2.2 · U.S. R+7.7
Runner-up · Harry S. Truman, 1948 · +2.1 pts
Republican
William McKinley1900
+49.4pts R vs U.S.
Place R+56.9 · U.S. R+7.5
Runner-up · Donald Trump, 2020 · +49.1 pts
U.S. House elections · 3 House
Senate and governor results are in the Office selector at the top of this page.
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.
voter registration
Registered voters
By party of registration, over time
Party registration · 2024R+32.9
Presidential vote · 2024R+49.9
Registration leans Republican; the presidential vote runs 17 points more Republican than the rolls.
DemocraticRepublicanUnaffiliatedOther parties
| 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 |
domestic migration
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
20112025
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.
Political twins — counties
The counties whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
McHenry County
North Dakota
91.5twin score
12-yr trend% White% Black≠ Norwegian ancestry
Sanborn County
South Dakota
88.9twin score
12-yr trend% WhiteNorwegian ancestry
Hancock County
Iowa
87.8twin score
12-yr trendNorwegian ancestry% White≠ Irish ancestry
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 →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Humboldt County, Iowa. Akashic. https://akashic.app/county/19091/. Accessed May 20, 2026. License: CC BY 4.0.
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Cities & towns in Humboldt County
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Frequently asked questions
How did Humboldt County, Iowa vote in 2024?
In 2024, Humboldt County, Iowa voted Republican by 49.9 points (R+49.9), carried by the Republican candidate. Out of 5,083 votes cast, 1,236 went Democratic and 3,770 went Republican.
When did Humboldt County, Iowa last vote Democratic?
The most recent presidential election in which Humboldt County, Iowa voted Democratic was 1988.
How many people live in Humboldt County, Iowa?
Humboldt County, Iowa has a population of 9,591 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Humboldt County, Iowa?
Median household income in Humboldt County, Iowa is $71,946 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Humboldt County, Iowa?
Akashic tracks 38 presidential elections in Humboldt County, Iowa from 1876 to 2024. Of those, 7 went Democratic and 26 went Republican.