akashic
1876–2024
Caldwell·Idaho

Caldwell moved 9.0 points toward the Republican candidate between 2020 and 2024.

20082024·5 elections
ID
Caldwell
TrumpR+37.0
How it voted
Share of the 2024 vote
Donald TrumpRepublican67.1%14,521
Kamala HarrisDemocratic30.1%6,509
OtherAll other candidates2.8%612
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: −37.0% in 2024.−37.0%DR20082024
Presidential margin over time
YearMargin (D minus R)
2008−23.3%
2012−20.2%
2016−29.3%
2020−28.0%
2024−37.0%
DemocraticRepublican
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonDemocraticRepublicanOtherMarginTotal
R
30.1%Harris6,509
67.1%Trump14,521
2.8%
−37.0%
21,642
R
34.2%Biden6,818
62.2%Trump12,409
3.6%incl. Jorgensen
−28.0%
19,944
R
29.2%Clinton4,621
58.5%Trump9,258
12.4%incl. Johnson
−29.3%
15,837
R
39.9%Obama5,862
60.1%Romney8,833
0.0%
−20.2%
14,695
R
37.0%Obama4,943
60.3%McCain8,062
2.7%
−23.3%
13,364

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.
IndicatorCaldwellCityIdahoStateUnited StatesNation
Race & Ethnicity
White63.5%81.7%61.0%
Black0.4%0.8%12.2%
Asian1.0%1.4%6.0%
Two or more races17.4%9.7%12.6%
Other race17.2%6.5%8.2%
Hispanic or Latino36.8%13.6%19.3%
Income & Age
Median household income$73,058$77,800$84,427
Poverty rate11.9%10.7%12.5%
Median age31.537.639.1
Age 18–249.3%9.8%9.2%
Age 65 and older14.5%17.1%17.2%
Education & Language
Bachelor's degree or higher (25+)23.2%31.8%35.6%
Speaks a non-English language at home19.2%11.0%22.3%
Spanish16.2%8.1%13.6%
Russian, Polish, or other Slavic1.0%0.5%0.7%
Ancestry
Largest ancestryEnglish 16.0%English 19.3%German 12.5%
2nd-largest ancestryGerman 15.0%German 16.5%English 9.5%
3rd-largest ancestryIrish 8.3%Irish 9.5%Irish 9.4%
Religion
Catholic11.8%County context11.1%18.6%
Evangelical Protestant12.6%County context12.4%16.5%
Unaffiliated or unclaimed57.0%County context50.2%51.5%
Latter-day Saints16.0%County context22.1%2.0%

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.
English
16.0%
German
15.0%
Irish
8.3%
American
5.0%
Scottish
2.9%
Italian
2.4%
French
2.2%
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
80.8%
speak English only
Spanish16.2%
Russian, Polish, or other Slavic1.0%
Other Asian & Pacific Island0.5%
German or other West Germanic0.4%
Other Indo-European0.3%
French (incl. Cajun & Haitian)0.2%
Other languages0.2%
Korean0.1%
Chinese (incl. Mandarin & Cantonese)0.1%
Vietnamese0.1%
Tagalog (incl. Filipino)0.1%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Latter-day Saints
16.0%
Evangelical Protestant
12.6%
Catholic
11.8%
Other Christian
1.4%
Mainline Protestant
1.2%
Unaffiliated or not counted57.0%
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.

Caldwell sits in the Northern Rockies. In 2024 it voted Republican.

Across the recorded series it reached a Republican high of 37.0 points in 2024. Between 2020 and 2024 the city moved 9.0 points toward the Republican candidate; the 2024 margin was 37.0 points.

A population of 66,516, a 64% non-Hispanic-white share, and a median household income of $73,058 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.
Caldwell, Idaho. Akashic. https://akashic.app/city/1612250/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Caldwell, Idaho vote in 2024?
In 2024, Caldwell, Idaho voted Republican by 37.0 points (R+37.0), carried by the Republican candidate. Out of 21,642 votes cast, 6,509 went Democratic and 14,521 went Republican.
What is Caldwell, Idaho's political typology?
Akashic places Caldwell, Idaho 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 0 times, Republican 5 times, and other 0 times.
How many people live in Caldwell, Idaho?
Caldwell, Idaho has a population of 66,516 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Caldwell, Idaho?
Median household income in Caldwell, Idaho is $73,058 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Caldwell, Idaho?
Akashic tracks 5 presidential elections in Caldwell, Idaho from 2008 to 2024. Of those, 0 went Democratic and 5 went Republican. The city's typology — "" — captures where that record, its demographics, and its recent swing place it among American communities.