Custer County, ID

ID · Presidential Elections 18922024

R+53.3
2024 Margin
D+1.0%
2020→2024 Swing
R since 1964
Voting Streak
4K
Population

Custer County, ID (Idaho) voted R+53.3 for Donald Trump (Republican) in the 2024 presidential election, with Trump receiving 1,998 votes (75.4%) to 586 (22.11%) for Harris.

This represents a D+1.0% swing toward Democrats compared to 2020. Custer County is classified as a deep Republican county. Custer County has voted Republican in every presidential election since 1964. The county has a population of approximately 4,470.

Quick Stats

2024 ResultR+53.3
2020→2024 SwingD+1.0%
Voting StreakR since 1964
Elections on Record34

Demographics

Population4,470
Median Age
60.0(US: 38.7)
College (BA+)
29.3%(US: 35.2%)
Median Income
$67,574(US: $80k)
White (non-Hisp)
89.4%(US: 57.6%)
Hispanic
4.5%(US: 19.1%)
Homeownership
76.8%(US: 64.5%)
Poverty Rate
15.8%(US: 12.3%)
Veterans
11.2%(US: 6.2%)
Non-English (CVAP)
2.0%(US: 17.0%)
Source: Census ACS 5-Year (2020-2024)

Community Profile

Religious Composition

Source: Religion Census 2020
LDS/Mormon
38.1%(Primary Hub)
Evangelical
20.5%
Catholic
7.9%(Below Average)
Mainline Protestant
0.5%

Ancestry Groups

Source: Census ACS

Top reported ancestry groups (compared to national average).

English
34.2%Significant Hub(3.9x)
German
20.0%Above Average(1.6x)
Irish
10.4%
American Heritage
4.6%
Mexican
3.0%
French
2.4%(1.2x)
+ 1 more reported ancestry groups

Age Distribution

Median:60.0 yrs(US: 38.5)
Under 18
13.9%
18-29
3.8%
30-44
8.6%
45-64
37.2%
65+
36.5%
National average

Employment by Industry

Census ACS
Educational ServicesMajor Specialization
19.6%(2.3x US)
Retail Trade
13.8%(1.3x US)
Agriculture & ForestryExceptional Hub
10.7%(6.3x US)
Construction
8.3%(1.2x US)
Professional & Technical
7.1%(0.6x US)
Manufacturing
4.7%(0.5x US)
National average

Presidential Elections

Presidential Results

YearDemocratRepublicanMarginSwing
202422.1%(586)75.4%(1,998)R+53.3D+1.0
202022.0%(603)76.3%(2,089)R+54.3D+1.7
201617.7%(427)73.6%(1,777)R+55.9R+4.3
201222.5%(530)74.2%(1,744)R+51.6R+5.6
200826.0%(611)72.0%(1,694)R+46.0D+5.0
200423.7%(559)74.7%(1,762)R+51.0D+8.1
200017.9%(416)77.0%(1,794)R+59.1R+32.6
199627.4%(635)53.9%(1,249)R+26.5R+14.3
199226.1%(564)38.3%(829)R+12.2D+21.4
198832.5%(616)66.1%(1,253)R+33.6D+22.0

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

Presidential Margin Trend

Custer County, ID18922024

D+R++100+80+60+40+200-20-40-60-80-10018921900190819161924193219401948195619641972198019881996200420122020
Democratic margin
Republican margin

Senate Elections

Senate Results

YearDemocratRepublicanMarginSwing
202217.9%(359)72.0%(1,447)R+54.2R+3.4
202022.3%(603)73.0%(1,978)R+50.8D+2.4
201618.1%(429)71.3%(1,693)R+53.2R+0.4
201423.6%(420)76.4%(1,361)R+52.8D+1.9
201018.7%(344)73.4%(1,351)R+54.7R+19.0
200824.6%(567)60.3%(1,389)R+35.7D+63.3
20040.0%(0)99.0%(1,937)R+99.0R+45.0
200221.9%(391)75.9%(1,353)R+54.0R+4.5
199824.1%(393)73.6%(1,200)R+49.5R+6.3
199626.5%(604)69.7%(1,589)R+43.2R+22.7

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

Governor Elections

Governor Results

YearDemocratRepublicanMarginSwing
202211.4%(464)60.3%(2,456)R+48.9R+3.1
201825.7%(545)71.5%(1,518)R+45.8R+8.6
201424.6%(441)61.8%(1,109)R+37.2D+8.3
201022.5%(419)68.1%(1,267)R+45.6R+12.6
200631.7%(602)64.6%(1,228)R+32.9D+10.3
200227.0%(480)70.2%(1,248)R+43.2R+1.0
199827.4%(452)69.6%(1,149)R+42.2R+11.3
199431.7%(567)62.7%(1,119)R+30.9R+32.3
199050.7%(653)49.3%(635)D+1.4D+39.0
198630.8%(584)68.4%(1,296)R+37.6R+18.5

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

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