Gem County, Idaho: Sunbelt Conservative county. In 2024, voted R+66%. Republican peak: R+66 in 2024.
Key facts
- 2024 presidential margin
- R+66MIT Election Lab
- Political typology
- Sunbelt ConservativeAkashic typology
- Population
- 20,6142024 5-year
- Median household income
- $64,6052024 5-year
- White (non-Hispanic)
- 86.1%2024 5-year
- Black
- 0.0%2024 5-year
- Hispanic / Latino
- 9.7%2024 5-year
- Peak Democratic margin
- D+45 in 1936MIT Election Lab
- Peak Republican margin
- R+66 in 2024MIT Election Lab
- Most similar
- Prowers County, CO · similarity 1.00
2024 results by precinct
2024 precinct map of Gem CountyPrecinct-level 2024 presidential results for Gem County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | No data |
| 1896 | No data |
| 1900 | No data |
| 1904 | No data |
| 1908 | No data |
| 1912 | No data |
| 1916 | +12.6% |
| 1920 | −25.6% |
| 1924 | −26.7% |
| 1928 | −43.3% |
| 1932 | +34.0% |
| 1936 | +44.5% |
| 1940 | +29.1% |
| 1944 | +15.4% |
| 1948 | +4.1% |
| 1952 | −24.5% |
| 1956 | −17.5% |
| 1960 | −10.3% |
| 1964 | +8.1% |
| 1968 | −28.3% |
| 1972 | −37.2% |
| 1976 | −9.3% |
| 1980 | −37.6% |
| 1984 | −38.1% |
| 1988 | −16.8% |
| 1992 | −14.8% |
| 1996 | −22.4% |
| 2000 | −50.6% |
| 2004 | −53.1% |
| 2008 | −43.0% |
| 2012 | −44.8% |
| 2016 | −59.7% |
| 2020 | −61.7% |
| 2024 | −66.0% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| R | 1,699 | 8,707 | 10,620 | ||
| R | 1,803 | 7,951 | 9,958 | ||
| R | 1,229 | 5,980 | 7,952 | ||
| R | 1,957 | 5,311 | 7,490 | ||
| R | 2,166 | 5,585 | 7,947 | ||
| R | 1,628 | 5,416 | 7,134 | ||
| R | 1,346 | 4,376 | 5,983 | ||
| R | 1,968 | 3,362 | 6,231 | ||
| R | 1,609 | 2,455 | 5,723 | ||
| R | 2,064 | 2,926 | 5,142 | ||
| R | 1,607 | 3,644 | 5,350 | ||
| R | 1,613 | 3,766 | 5,726 | ||
| R | 1,978 | 2,401 | 4,552 | ||
| R | 1,069 | 2,717 | 4,431 | ||
| R | 1,183 | 2,314 | 3,997 | ||
| D | 2,328 | 1,979 | 4,307 | ||
| R | 1,976 | 2,428 | 4,404 | ||
| R | 1,717 | 2,445 | 4,162 | ||
| R | 1,555 | 2,568 | 4,128 | ||
| D | 1,724 | 1,585 | 3,426 | ||
| D | 1,866 | 1,363 | 3,265 | ||
| D | 2,666 | 1,462 | 4,132 | ||
| D | 2,468 | 879 | 3,568 | ||
| D | 2,007 | 898 | 3,261 | ||
| R | 646 | 1,656 | 2,332 | ||
| O | 380 | 1,072 | 2,595 | ||
| R | 832 | 1,404 | 2,238 | ||
| D | 990 | 750 | 1,900 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
18.4%
English
15.8%
Irish
8.5%
American
6.2%
Scottish
5.8%
French
4.7%
Italian
2.4%
Sample size too small to break out by ancestry reliably.
Multiple ancestry combinations reported; no single grouping above 1%.
Sample size too small to break out by ancestry reliably.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
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
Age distribution by sex
Median age: 44.2 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$64,605
Gem County ranks near the middle of US counties.
Gem County$64,605
Idaho$77,800
United States$80,734
Gem County ranks near the middle of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
12.0%
Children face moderate poverty.
Children under 1817.4%
Working age (18–64)10.4%
Seniors (65+)11.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
89.5%
speak English only
Spanish6.7%
Other Indo-European3.0%
Asian & Pacific Islander0.5%
Other languages0.3%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 64.5% of residents not counted as adherents by any reporting body.
Gem County's 2024 presidential margin of R+66 places it among Idaho's most lopsided counties, reflecting a predominantly rural, non-Hispanic white population concentrated around the small city of Emmett in the Payette River valley.
The Republican margin here reached sixty-six points in 2024. Between 2020 and 2024 the county moved four points toward the Republican candidate; the 2024 margin was sixty-six points.
A median household income of $64,605, a 86% non-Hispanic-white share, and a population of 20,614 describe the county. The county's voting pattern over the last decade is most similar to that of Prowers County and Phillips County.
Most similar counties
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.
Gem County, Idaho. Akashic. https://akashic.app/county/16045/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Gem County, Idaho vote in 2024?
In 2024, Gem County, Idaho voted Republican by 66.0 points (R+66), carried by the Republican candidate. Out of 10,620 votes cast, 1,699 went Democratic and 8,707 went Republican.
What is Gem County, Idaho's political typology?
Akashic places Gem County, Idaho in the "Sunbelt Conservative" typology — Affluent, predominantly white Sunbelt counties — reliably Republican. 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 38 elections in the dataset, the county has voted Democratic 7 times, Republican 20 times, and other 1 times.
When did Gem County, Idaho last vote Democratic?
The most recent presidential election in which Gem County, Idaho voted Democratic was 1964.
How many people live in Gem County, Idaho?
Gem County, Idaho has a population of 20,614 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Gem County, Idaho?
Median household income in Gem County, Idaho is $64,605 — below the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Gem County, Idaho?
Akashic tracks 38 presidential elections in Gem County, Idaho from 1876 to 2024. Of those, 7 went Democratic and 20 went Republican. The county's typology — "Sunbelt Conservative" — captures where that record, its demographics, and its recent swing place it among American communities.