Jerome County, ID

ID · Presidential Elections 19202024

R+53.7
2024 Margin
R+4.6%
2020→2024 Swing
R since 1940
Voting Streak
25K
Population

Jerome County, ID (Idaho) voted R+53.7 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 6,012 votes (75.67%) to 1,742 (21.93%) for Harris.

This represents a R+4.6% swing toward Republicans compared to 2020. Jerome County is classified as a deep Republican county. Jerome County has voted Republican in every presidential election since 1940. The county has a population of approximately 25,173.

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Quick Stats

2024 ResultR+53.7
2020→2024 SwingR+4.6%
Voting StreakR since 1940
Elections on Record27

Demographics

Population25,173
Median Age
34.0(US: 38.7)
College (BA+)
14.0%(US: 35.2%)
Median Income
$71,724(US: $80k)
White (non-Hisp)
57.5%(US: 57.6%)
Hispanic
39.2%(US: 19.1%)
Homeownership
75.2%(US: 64.5%)
Poverty Rate
12.6%(US: 12.3%)
Veterans
6.2%(US: 6.2%)
Non-English (CVAP)
17.3%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
LDS/Mormon
19.7%(Primary Hub)
Catholic
7.3%(Below Average)
Evangelical
3.9%(Below Average)
Mainline Protestant
0.5%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

Mexican
36.0%Significant Hub(3.2x)
English
13.2%(1.5x)
German
10.7%
American Heritage
6.8%(1.3x)
Irish
6.3%

Age Distribution

Median:34.0 yrs(US: 38.5)
Under 18
29.6%
18-29
8.7%
30-44
18.8%
45-64
29.4%
65+
13.4%
National average

Employment by Industry

Census ACS
Manufacturing
13.6%(1.4x US)
Agriculture & ForestryExceptional Hub
13.4%(7.9x US)
Retail Trade
10.9%
Construction
8.9%(1.3x US)
Educational Services
7.9%
Professional & Technical
6.5%(0.5x US)
National average
+ 1 more sectors

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202421.9%(1,742)75.7%(6,012)R+53.7R+4.6
202024.2%(1,893)73.4%(5,734)R+49.2R+0.1
201619.7%(1,329)68.8%(4,644)R+49.1R+2.6
201225.4%(1,699)71.9%(4,804)R+46.5R+1.2
200826.2%(1,794)71.5%(4,897)R+45.3D+12.9
200420.4%(1,344)78.7%(5,177)R+58.3R+7.3
200022.6%(1,360)73.5%(4,418)R+50.9R+23.5
199627.4%(1,679)54.8%(3,358)R+27.4R+9.1
199225.9%(1,739)44.2%(2,972)R+18.3D+12.6
198833.3%(1,985)64.3%(3,830)R+31.0D+27.0

Source: Official state election returns via MIT Election Data + Science Lab

Presidential Margin Trend

Jerome County, ID19202024

D+R++60+40+200-20-40-6019201928193619441952196019681976198419922000200820162024
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202216.5%(803)72.1%(3,506)R+55.6R+11.0
202025.4%(1,978)70.0%(5,450)R+44.6D+9.8
201618.5%(1,253)73.0%(4,931)R+54.4R+3.8
201424.7%(1,080)75.3%(3,294)R+50.6D+12.1
201016.8%(782)79.5%(3,709)R+62.7R+25.4
200826.1%(1,786)63.4%(4,343)R+37.3D+60.1
20040.0%(0)97.4%(5,718)R+97.4R+53.0
200226.9%(1,230)71.3%(3,260)R+44.4D+13.6
199820.0%(940)78.0%(3,673)R+58.0R+32.0
199635.2%(2,221)61.3%(3,865)R+26.1R+24.6

Source: Official state election returns via MIT Election Data + Science Lab

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202211.1%(1,080)65.1%(6,322)R+54.0R+10.0
201826.7%(1,440)70.7%(3,808)R+44.0R+8.8
201428.3%(1,247)63.5%(2,797)R+35.2D+7.8
201024.1%(1,129)67.1%(3,138)R+43.0R+22.0
200637.8%(1,849)58.7%(2,876)R+21.0D+14.8
200231.2%(1,427)66.9%(3,065)R+35.8D+12.0
199822.1%(1,053)69.9%(3,328)R+47.8R+25.2
199436.4%(1,918)59.0%(3,105)R+22.5R+50.0
199063.7%(2,852)36.3%(1,622)D+27.5D+43.6
198641.6%(2,361)57.7%(3,276)R+16.1R+10.1

Source: Official state election returns via MIT Election Data + Science Lab

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