akashic
1876–2024
Boise City, ID·Idaho

Boise City, ID delivered R+23 in 2024.

Treasure Valley's fastest-growing metro tests Idaho's deep-red baseline

1876 — 2024·38 elections
ID
Latest
R+23
in 2024
Archetype
Bellwether
since the recent cycles
Population
811,115
2024 ACS

Boise City, ID, Idaho: Bellwether metro. In 2024, voted R+23%. Democratic peak: D+52 in 1896.

Key facts

2024 presidential margin
R+23MIT Election Lab
Political archetype
BellwetherAkashic typology
Population
811,1152024 5-year
Median household income
$85,6292024 5-year
White (non-Hispanic)
79.8%2024 5-year
Black
1.1%2024 5-year
Hispanic / Latino
15.0%2024 5-year
Peak Democratic margin
D+52 in 1896MIT Election Lab
Peak Republican margin
R+48 in 1984MIT Election Lab
2024 results by constituent county
5 counties · 0 D · 5 R
R+60
D+60
One cell per constituent county. Ordered by 2024 D-vs-R margin (bluest first). Hover for county-level numbers.
38 presidential elections
Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024).
YearWonMarginDemocraticRepublicanTotal
R
−22.5%
145,305232,949388,826
R
−15.5%
150,243207,713369,630
R
−20.2%
95,157152,679284,079
R
−19.7%
100,846152,312261,295
R
−15.5%
106,733147,122260,784
R
−31.9%
75,221147,016224,979
R
−33.9%
53,952114,455178,711
R
−20.0%
58,58292,770170,584
R
−18.3%
43,95473,056159,130
R
−29.2%
44,26482,054129,216
R
−47.7%
31,90491,683125,337
R
−40.1%
33,35986,737133,272
R
−29.0%
34,05063,00299,690
R
−44.9%
20,10560,07188,943
R
−38.2%
19,19649,32978,908
R
−10.8%
34,18642,47976,665
R
−22.7%
30,23547,95278,187
R
−36.2%
21,73446,35368,087
R
−43.0%
19,71449,51669,332
R
−10.5%
22,28427,66351,371
R
−8.9%
21,22725,43547,021
D
+1.8%
25,52324,61950,275
D
+25.1%
24,67114,23841,607
D
+12.3%
19,42114,94336,506
R
−45.3%
7,67620,66728,654
R
−31.7%
4,10713,06428,244
R
−29.4%
9,26817,01526,312
D
+6.5%
12,49810,87025,128
O
+0.5%
6,3116,20622,011
R
−11.5%
8,01610,29019,691
R
−41.1%
3,5239,42414,367
R
−2.0%
5,1225,33510,846
D
+51.8%
4,7111,4776,242
O
−42.9%
01,8844,395
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Demographics

Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
18.4%
German
17.1%
Irish
10.3%
American
4.6%
Italian
3.5%
Scottish
3.0%
French
2.3%
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.
Age distribution by sex
Median age: 37.6 in this county, 39.1 nationally
Male
Age
Female
0.6%
85+
1.0%
2.3%
75–84
2.5%
4.7%
65–74
5.1%
5.7%
55–64
5.9%
6.3%
45–54
6.0%
7.1%
35–44
6.9%
7.0%
25–34
6.8%
4.6%
18–24
4.3%
9.2%
5–17
8.7%
2.9%
<5
2.7%
Source · American Community Survey 5-year estimates, 2024 release.
Median household income
2024 inflation-adjusted dollars
$85,629
Boise City, ID ranks near the middle of US counties.
Boise City, ID$85,629
Idaho$77,800
United States$80,734
Source · American Community Survey 5-year estimates, 2024 release.
Poverty rate
All persons below federal poverty line
9.1%
Child poverty is below the national average.
Children under 1810.3%
Working age (18–64)8.7%
Seniors (65+)9.7%
Source · American Community Survey 5-year estimates, 2024 release.
Language at home
Population aged 5 and older
87.5%
speak English only
Spanish8.5%
Other Indo-European2.1%
Asian & Pacific Islander1.3%
Other languages0.7%
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
23.1%
Catholic & Orthodox
13.0%
Pentecostal & Holiness
3.8%
Methodist
2.5%
Mainline Protestant
1.6%
Baptist
0.8%
Non-Christian
0.6%
Source · 2020 US Religion Census. Remaining 54.5% of residents not counted as adherents by any reporting body.

Boise's rapid in-migration from California and the Pacific Northwest has introduced new demographic layers to a metro that still votes Republican by double digits, making it a bellwether for how growth reshapes reliably conservative Western cities.

The Democratic margin in Boise City, ID has rarely exceeded fifty-two points in modern history; the Republican margin has rarely exceeded forty-eight points. 2024 delivered the metro to the Republican candidate by twenty-three points.

Its demographics resemble the country more than they resemble most metros. A 80% non-Hispanic-white share, a 9% poverty rate, and a median household income of $85,629 — all within the broad national range.

Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Boise City, ID, Idaho — The Long Memory. Akashic Intelligence — The Long Memory. https://tiers.akashic.app/cbsa/14260/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0

Frequently asked questions

How did Boise City, ID, Idaho vote in 2024?
In 2024, Boise City, ID, Idaho voted Republican by 22.5 points (R+23), carried by the Republican candidate. Out of 388,826 votes cast, 145,305 went Democratic and 232,949 went Republican.
What is Boise City, ID, Idaho's political archetype?
Akashic classifies Boise City, ID, Idaho as a "Bellwether" metro based on its long-arc presidential voting pattern. Across 38 elections in the dataset, the metro has voted Democratic 5 times, Republican 27 times, and other 2 times.
When did Boise City, ID, Idaho last vote Democratic?
The most recent presidential election in which Boise City, ID, Idaho voted Democratic was 1940.
How many people live in Boise City, ID, Idaho?
Boise City, ID, Idaho has a population of 811,115 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Boise City, ID, Idaho?
Median household income in Boise City, ID, Idaho is $85,629 — above the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Boise City, ID, Idaho?
Akashic tracks 38 presidential elections in Boise City, ID, Idaho from 1876 to 2024. Of those, 5 went Democratic and 27 went Republican. The metro's archetype — "Bellwether" — captures the overall trajectory of that voting record.