Montgomery County, Iowa: Farm Belt county. In 2024, voted R+39%. Republican peak: R+57 in 1904.
Key facts
- 2024 presidential margin
- R+39MIT Election Lab
- Political typology
- Farm BeltAkashic typology
- Population
- 10,2142024 5-year
- Median household income
- $63,6662024 5-year
- White (non-Hispanic)
- 92.1%2024 5-year
- Black
- 1.8%2024 5-year
- Hispanic / Latino
- 0.8%2024 5-year
- Peak Democratic margin
- D+7 in 1912MIT Election Lab
- Peak Republican margin
- R+57 in 1904MIT Election Lab
- Most similar
- Tipton County, IN · similarity 1.00
2024 results by precinct
2024 precinct map of Montgomery CountyPrecinct-level 2024 presidential results for Montgomery 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 | −27.6% |
| 1896 | −28.1% |
| 1900 | −32.5% |
| 1904 | −56.9% |
| 1908 | −32.1% |
| 1912 | +7.3% |
| 1916 | −23.3% |
| 1920 | −54.9% |
| 1924 | −53.3% |
| 1928 | −42.3% |
| 1932 | +3.4% |
| 1936 | −5.7% |
| 1940 | −18.4% |
| 1944 | −23.5% |
| 1948 | −19.3% |
| 1952 | −46.1% |
| 1956 | −31.8% |
| 1960 | −30.4% |
| 1964 | +5.9% |
| 1968 | −34.9% |
| 1972 | −46.9% |
| 1976 | −24.2% |
| 1980 | −42.3% |
| 1984 | −43.2% |
| 1988 | −24.9% |
| 1992 | −15.0% |
| 1996 | −12.9% |
| 2000 | −29.3% |
| 2004 | −30.6% |
| 2008 | −10.6% |
| 2012 | −21.5% |
| 2016 | −41.6% |
| 2020 | −39.0% |
| 2024 | −39.0% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,508 | 3,486 | 5,074 | ||
| R | 1,583 | 3,659 | 5,327 | ||
| R | 1,314 | 3,436 | 5,102 | ||
| R | 1,922 | 3,001 | 5,025 | ||
| R | 2,326 | 2,887 | 5,287 | ||
| R | 1,899 | 3,601 | 5,556 | ||
| R | 1,838 | 3,417 | 5,394 | ||
| R | 1,912 | 2,583 | 5,198 | ||
| R | 1,599 | 2,404 | 5,369 | ||
| R | 1,898 | 3,166 | 5,100 | ||
| R | 1,661 | 4,224 | 5,930 | ||
| R | 1,556 | 4,115 | 6,054 | ||
| R | 2,229 | 3,673 | 5,974 | ||
| R | 1,559 | 4,391 | 6,041 | ||
| R | 1,892 | 4,155 | 6,481 | ||
| D | 3,489 | 3,101 | 6,601 | ||
| R | 2,655 | 4,974 | 7,630 | ||
| R | 2,597 | 5,027 | 7,643 | ||
| R | 2,235 | 6,074 | 8,334 | ||
| R | 2,751 | 4,084 | 6,910 | ||
| R | 2,572 | 4,165 | 6,783 | ||
| R | 3,332 | 4,848 | 8,220 | ||
| R | 3,920 | 4,395 | 8,382 | ||
| D | 3,760 | 3,507 | 7,401 | ||
| R | 2,079 | 5,155 | 7,280 | ||
| R | 805 | 4,617 | 7,157 | ||
| R | 1,404 | 4,980 | 6,510 | ||
| R | 1,431 | 2,333 | 3,867 | ||
| O | 1,206 | 917 | 3,974 | ||
| R | 1,282 | 2,553 | 3,962 | ||
| R | 722 | 2,956 | 3,928 | ||
| R | 1,467 | 2,927 | 4,486 | ||
| R | 1,634 | 2,927 | 4,597 | ||
| R | 1,174 | 2,187 | 3,670 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
21.9%
English
12.9%
Irish
8.8%
American
4.9%
Italian
1.9%
French
1.5%
Polish
1.1%
African American
1.4%
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
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: 43.5 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
$63,666
Montgomery County ranks near the middle of US counties.
Montgomery County$63,666
Iowa$75,059
United States$80,734
Montgomery 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
15.3%
Children face moderate poverty.
Children under 1818.6%
Working age (18–64)15.5%
Seniors (65+)4.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
97.5%
speak English only
Other Indo-European1.2%
Spanish0.8%
Asian & Pacific Islander0.4%
Other languages0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 48.3% of residents not counted as adherents by any reporting body.
Montgomery County's R+39 margin in 2024 reflects a decades-long rightward shift common to small agricultural counties in southwest Iowa, where population has steadily declined and the electorate skews older and predominantly non-Hispanic white.
The Republican margin here reached fifty-seven points in 1904. The 2024 margin was thirty-nine points.
A population of 10,214, a 92% non-Hispanic-white share, and a median household income of $63,666 describe an agricultural county. The county's voting pattern over the last decade is most similar to that of Tipton County and Miami 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.
Montgomery County, Iowa. Akashic. https://akashic.app/county/19137/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More farm belt counties
Frequently asked questions
How did Montgomery County, Iowa vote in 2024?
In 2024, Montgomery County, Iowa voted Republican by 39.0 points (R+39), carried by the Republican candidate. Out of 5,074 votes cast, 1,508 went Democratic and 3,486 went Republican.
What is Montgomery County, Iowa's political typology?
Akashic places Montgomery County, Iowa in the "Farm Belt" typology — Rural Plains and Midwest farm counties — Republican, with modest recent movement. 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 2 times, Republican 31 times, and other 1 times.
When did Montgomery County, Iowa last vote Democratic?
The most recent presidential election in which Montgomery County, Iowa voted Democratic was 1964.
How many people live in Montgomery County, Iowa?
Montgomery County, Iowa has a population of 10,214 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Montgomery County, Iowa?
Median household income in Montgomery County, Iowa is $63,666 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Montgomery County, Iowa?
Akashic tracks 38 presidential elections in Montgomery County, Iowa from 1876 to 2024. Of those, 2 went Democratic and 31 went Republican. The county's typology — "Farm Belt" — captures where that record, its demographics, and its recent swing place it among American communities.