akashic
1876–2024
Grinnell·Iowa

Grinnell delivered D+18.9 in 2024.

20082024·5 elections
IA
Grinnell
HarrisD+18.9
How it voted
Share of the 2024 vote
Kamala HarrisDemocratic58.3%2,728
Donald TrumpRepublican39.5%1,845
OtherAll other candidates2.2%103
D+60
R+60
1 counties, each filled by 2024 D-vs-R margin.
presidential history
Presidential margin, 2008–2024
Democratic minus Republican, by election
Presidential margin over timeDemocratic-minus-Republican presidential margin from 2008 to 2024. Most recent: +18.9% in 2024.+18.9%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008+33.2%
2012+32.8%
2016+28.5%
2020+22.8%
2024+18.9%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
D
+18.9%
2,7281,8454,676
D
+22.8%
2,8921,7994,784
D
+28.5%
3,0471,6264,986
D
+32.8%
3,2351,6384,873
D
+33.2%
3,4271,6975,216

Demographics

Demographic profile

Demographic Profile

Key indicators compared across containing geographies

Demographic Profile. Key indicators compared across containing geographies. ACS values are survey estimates and may include margins of error. Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
IndicatorGrinnellCityIowaStateUnited StatesNation
Race & Ethnicity
White87.0%84.2%61.0%
Black1.7%3.9%12.2%
Asian3.9%2.5%6.0%
Two or more races6.4%6.6%12.6%
Other race1.0%2.9%8.2%
Hispanic or Latino3.1%7.3%19.3%
Income & Age
Median household income$65,320$75,059$84,427
Poverty rate11.1%11.1%12.5%
Median age36.538.839.1
Age 18–2414.7%10.0%9.2%
Age 65 and older21.4%18.1%17.2%
Education & Language
Bachelor's degree or higher (25+)37.5%31.4%35.7%
Speaks a non-English language at home8.0%9.1%22.3%
Spanish2.0%4.7%13.6%
Other Indo-European1.9%0.6%2.0%
Ancestry
Largest ancestryGerman 30.6%German 30.5%German 12.5%
2nd-largest ancestryIrish 11.4%Irish 12.8%English 9.5%
3rd-largest ancestryEnglish 10.4%English 10.2%Irish 9.4%
Religion
Catholic7.2%County context14.7%18.6%
Evangelical Protestant9.7%County context10.9%16.5%
Unaffiliated or unclaimed65.7%County context55.2%51.5%
Mainline Protestant17.4%County context15.8%5.2%

ACS values are survey estimates and may include margins of error.

Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.

2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
30.6%
Irish
11.4%
English
10.4%
American
5.3%
Scottish
2.7%
Italian
2.4%
French
1.7%
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
Language at home
Population aged 5 and older
92.0%
speak English only
Spanish2.0%
Other Indo-European1.9%
Chinese (incl. Mandarin & Cantonese)0.9%
German or other West Germanic0.8%
Other languages0.6%
Korean0.5%
Other Asian & Pacific Island0.5%
French (incl. Cajun & Haitian)0.3%
Russian, Polish, or other Slavic0.2%
Vietnamese0.2%
Tagalog (incl. Filipino)0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Mainline Protestant
17.4%
Evangelical Protestant
9.7%
Catholic
7.2%
Unaffiliated or not counted65.7%
Source · 2020 US Religion Census. The unaffiliated-or-not-counted share is everyone not claimed as an adherent by any reporting body — uncounted congregations as well as the religiously unaffiliated.

Grinnell sits in the Corn Belt. In 2024 it voted Democratic.

Across the recorded series it reached a Democratic high of 33.2 points in 2008. Between 2020 and 2024 the city moved 4.0 points toward the Republican candidate; the 2024 margin was 18.9 points.

A population of 9,505, a 87% non-Hispanic-white share, and a median household income of $65,320 describe the city.

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.
Grinnell, Iowa. Akashic. https://akashic.app/city/1933105/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Grinnell, Iowa vote in 2024?
In 2024, Grinnell, Iowa voted Democratic by 18.9 points (D+18.9), carried by the Democratic candidate. Out of 4,676 votes cast, 2,728 went Democratic and 1,845 went Republican.
What is Grinnell, Iowa's political typology?
Akashic places Grinnell, Iowa in the "" typology. 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 5 elections in the dataset, the city has voted Democratic 5 times, Republican 0 times, and other 0 times.
How many people live in Grinnell, Iowa?
Grinnell, Iowa has a population of 9,505 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Grinnell, Iowa?
Median household income in Grinnell, Iowa is $65,320 — below the national median of $80,734. The Iowa state median is $75,059.
What is the political history of Grinnell, Iowa?
Akashic tracks 5 presidential elections in Grinnell, Iowa from 2008 to 2024. Of those, 5 went Democratic and 0 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.