Humboldt County, Iowa: Republican loyalist county. In 2024, voted R+50%. Republican peak: R+67 in 1920.
Key facts
- 2024 presidential margin
- R+50MIT Election Lab
- Political archetype
- Republican loyalistAkashic typology
- Population
- 9,5912024 5-year
- Median household income
- $71,9462024 5-year
- White (non-Hispanic)
- 91.1%2024 5-year
- Black
- 0.3%2024 5-year
- Hispanic / Latino
- 5.7%2024 5-year
- Peak Democratic margin
- D+20 in 1936MIT Election Lab
- Peak Republican margin
- R+67 in 1920MIT Election Lab
- Most similar
- Ida County, IA · similarity 0.99
2024 results by precinct
2024 precinct map of Humboldt CountyPrecinct-level 2024 presidential results for Humboldt County, with each precinct boundary colored by Democratic-vs-Republican margin.
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Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,236 | 3,770 | 5,083 | ||
| R | 1,442 | 3,819 | 5,327 | ||
| R | 1,252 | 3,568 | 5,141 | ||
| R | 1,972 | 3,099 | 5,158 | ||
| R | 2,160 | 2,895 | 5,122 | ||
| R | 2,146 | 3,162 | 5,350 | ||
| R | 1,949 | 2,846 | 4,940 | ||
| R | 2,080 | 2,236 | 4,933 | ||
| R | 1,765 | 2,299 | 5,185 | ||
| D | 2,713 | 2,594 | 5,357 | ||
| R | 2,406 | 3,396 | 5,863 | ||
| R | 1,840 | 3,575 | 5,899 | ||
| R | 2,677 | 3,075 | 5,841 | ||
| R | 2,062 | 3,622 | 5,792 | ||
| R | 1,940 | 3,239 | 5,410 | ||
| D | 3,376 | 2,250 | 5,630 | ||
| R | 2,706 | 3,537 | 6,243 | ||
| R | 2,756 | 3,747 | 6,507 | ||
| R | 2,124 | 4,534 | 6,674 | ||
| D | 2,855 | 2,498 | 5,432 | ||
| D | 2,749 | 2,525 | 5,290 | ||
| D | 3,268 | 2,853 | 6,143 | ||
| D | 3,420 | 2,262 | 5,797 | ||
| D | 2,804 | 2,028 | 4,889 | ||
| R | 1,679 | 2,828 | 4,523 | ||
| R | 370 | 2,841 | 4,758 | ||
| R | 681 | 3,577 | 4,319 | ||
| R | 809 | 1,676 | 2,513 | ||
| O | 634 | 477 | 2,543 | ||
| R | 587 | 1,818 | 2,468 | ||
| R | 369 | 1,950 | 2,385 | ||
| R | 595 | 2,214 | 2,843 | ||
| R | 783 | 2,010 | 2,824 | ||
| R | 742 | 1,382 | 2,215 | ||
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Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
32.8%
Irish
13.8%
English
8.4%
American
3.9%
Scottish
1.2%
French
0.9%
Polish
0.6%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Age distribution by sex
Median age: 42.1 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$71,946
Humboldt County ranks near the middle of US counties.
Humboldt County$71,946
Iowa$75,059
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
12.9%
Children face moderate poverty.
Children under 1821.1%
Working age (18–64)10.4%
Seniors (65+)9.1%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
94.0%
speak English only
Spanish4.4%
Asian & Pacific Islander1.0%
Other Indo-European0.6%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 43.9% of residents not counted as adherents by any reporting body.
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.
The Republican margin in Humboldt County reached its widest at sixty-seven points in 1920. The margin in 2024 was fifty points, in line with the county's deep historical pattern.
Its loyalty is rooted in its place. Median household income of $71,946, a 91% non-Hispanic-white share, and a population of 9,591 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Ida County and Renville County.
Most similar counties
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Humboldt County, Iowa — The Long Memory. Akashic Intelligence — The Long Memory. https://akashic.app/county/19091/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More republican loyalist counties
Frequently asked questions
How did Humboldt County, Iowa vote in 2024?
In 2024, Humboldt County, Iowa voted Republican by 49.9 points (R+50), carried by the Republican candidate. Out of 5,083 votes cast, 1,236 went Democratic and 3,770 went Republican.
What is Humboldt County, Iowa's political archetype?
Akashic classifies Humboldt County, Iowa as a "Republican loyalist" county based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the county has voted Democratic 7 times, Republican 26 times, and other 1 times.
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. The county's archetype — "Republican loyalist" — captures the overall trajectory of that voting record.