Woodbury County, Iowa: Florida Surge county. In 2024, voted R+23%. Republican peak: R+42 in 1904.
Key facts
- 2024 presidential margin
- R+23MIT Election Lab
- Political typology
- Florida SurgeAkashic typology
- Population
- 106,2472024 5-year
- Median household income
- $73,6582024 5-year
- White (non-Hispanic)
- 71.1%2024 5-year
- Black
- 4.9%2024 5-year
- Hispanic / Latino
- 19.1%2024 5-year
- Peak Democratic margin
- D+34 in 1932MIT Election Lab
- Peak Republican margin
- R+42 in 1904MIT Election Lab
- Most similar
- Delaware County, IA · similarity 0.98
2024 results by precinct
2024 precinct map of Woodbury CountyPrecinct-level 2024 presidential results for Woodbury County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | −4.7% |
| 1896 | −11.7% |
| 1900 | −18.4% |
| 1904 | −42.1% |
| 1908 | −11.1% |
| 1912 | +16.2% |
| 1916 | +20.8% |
| 1920 | −27.5% |
| 1924 | −31.2% |
| 1928 | −10.0% |
| 1932 | +34.1% |
| 1936 | +29.5% |
| 1940 | +3.4% |
| 1944 | +4.9% |
| 1948 | +13.8% |
| 1952 | −17.1% |
| 1956 | −11.9% |
| 1960 | −10.1% |
| 1964 | +21.5% |
| 1968 | −6.9% |
| 1972 | −16.4% |
| 1976 | −7.4% |
| 1980 | −17.6% |
| 1984 | −9.6% |
| 1988 | +3.5% |
| 1992 | −1.7% |
| 1996 | +2.3% |
| 2000 | −3.1% |
| 2004 | −2.3% |
| 2008 | −0.5% |
| 2012 | +1.0% |
| 2016 | −19.3% |
| 2020 | −15.5% |
| 2024 | −22.9% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 16,145 | 25,969 | 42,921 | ||
| R | 18,704 | 25,736 | 45,362 | ||
| R | 16,210 | 24,727 | 44,167 | ||
| D | 22,302 | 21,841 | 45,019 | ||
| R | 21,983 | 22,219 | 44,801 | ||
| R | 21,455 | 22,451 | 44,195 | ||
| R | 17,691 | 18,864 | 37,896 | ||
| D | 17,224 | 16,368 | 37,464 | ||
| R | 17,398 | 18,148 | 42,864 | ||
| D | 20,153 | 18,790 | 39,225 | ||
| R | 18,951 | 23,002 | 42,350 | ||
| R | 15,930 | 23,553 | 43,275 | ||
| R | 19,664 | 22,853 | 43,287 | ||
| R | 16,974 | 23,757 | 41,430 | ||
| R | 18,281 | 21,159 | 41,803 | ||
| D | 26,841 | 17,347 | 44,218 | ||
| R | 21,906 | 26,832 | 48,744 | ||
| R | 19,997 | 25,399 | 45,445 | ||
| R | 19,474 | 27,518 | 47,151 | ||
| D | 22,056 | 16,655 | 39,084 | ||
| D | 20,448 | 18,544 | 39,096 | ||
| D | 24,457 | 22,832 | 47,378 | ||
| D | 26,847 | 14,157 | 43,002 | ||
| D | 26,397 | 12,764 | 39,922 | ||
| R | 16,831 | 20,587 | 37,584 | ||
| R | 5,676 | 16,639 | 35,119 | ||
| R | 9,815 | 17,603 | 28,362 | ||
| D | 8,819 | 5,735 | 14,853 | ||
| O | 4,564 | 2,441 | 13,082 | ||
| R | 5,222 | 6,587 | 12,307 | ||
| R | 2,809 | 7,597 | 11,364 | ||
| R | 4,796 | 7,045 | 12,243 | ||
| R | 4,876 | 6,204 | 11,309 | ||
| R | 4,156 | 4,620 | 9,816 | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — | ||
| — | — | — | — |
Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
26.0%
Irish
10.9%
American
8.7%
English
6.5%
Italian
1.6%
Polish
1.6%
French
1.4%
African American
3.9%
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.
2024 ACS
Age distribution by sex
Median age: 36.1 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.
2024 ACS
Median household income
Inflation-adjusted dollars
$73,658
Woodbury County ranks near the middle of US counties.
Woodbury County$73,658
Iowa$75,059
United States$80,734
Woodbury County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
14.0%
Children face moderate poverty.
Children under 1818.0%
Working age (18–64)12.6%
Seniors (65+)12.0%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
81.5%
speak English only
Spanish13.9%
Asian & Pacific Islander2.0%
Other Indo-European1.5%
Other languages1.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 51.7% of residents not counted as adherents by any reporting body.
Woodbury County anchors Iowa's western edge along the Missouri River, with Sioux City as its urban core. Once a presidential battleground, it has moved roughly 30 points toward Republicans over the past three election cycles.
The Democratic margin here once reached thirty-four points in 1932. Between 2020 and 2024 the county moved seven points toward the Republican candidate; the 2024 margin was twenty-three points.
A population of 106,247, a 71% non-Hispanic-white share, and a median household income of $73,658 describe the county. The county's voting pattern over the last decade is most similar to that of Delaware County and Appanoose County.
Most similar counties
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.
Woodbury County, Iowa. Akashic. https://akashic.app/county/19193/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More florida surge counties
Frequently asked questions
How did Woodbury County, Iowa vote in 2024?
In 2024, Woodbury County, Iowa voted Republican by 22.9 points (R+23), carried by the Republican candidate. Out of 42,921 votes cast, 16,145 went Democratic and 25,969 went Republican.
What is Woodbury County, Iowa's political typology?
Akashic places Woodbury County, Iowa in the "Florida Surge" typology — Florida coastal and retiree counties that moved sharply Republican across the Trump era. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 10 times, Republican 23 times, and other 1 times.
When did Woodbury County, Iowa last vote Democratic?
The most recent presidential election in which Woodbury County, Iowa voted Democratic was 2012.
How many people live in Woodbury County, Iowa?
Woodbury County, Iowa has a population of 106,247 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Woodbury County, Iowa?
Median household income in Woodbury County, Iowa is $73,658 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Woodbury County, Iowa?
Akashic tracks 38 presidential elections in Woodbury County, Iowa from 1876 to 2024. Of those, 10 went Democratic and 23 went Republican. The county's typology — "Florida Surge" — captures where that record, its demographics, and its recent swing place it among American communities.