Blaine County, Idaho: New American county. In 2024, voted D+32%. Democratic peak: D+91 in 1896.
Key facts
- 2024 presidential margin
- D+32MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 24,9512024 5-year
- Median household income
- $92,5662024 5-year
- White (non-Hispanic)
- 77.7%2024 5-year
- Black
- 0.4%2024 5-year
- Hispanic / Latino
- 21.8%2024 5-year
- Peak Democratic margin
- D+91 in 1896MIT Election Lab
- Peak Republican margin
- R+35 in 1920MIT Election Lab
- Most similar
- Summit County, CO · similarity 0.99
2024 results by precinct
2024 precinct map of Blaine CountyPrecinct-level 2024 presidential results for Blaine 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 | −32.7% |
| 1896 | +90.6% |
| 1900 | +35.2% |
| 1904 | −20.7% |
| 1908 | +2.0% |
| 1912 | +0.3% |
| 1916 | +18.4% |
| 1920 | −35.1% |
| 1924 | −10.7% |
| 1928 | −4.2% |
| 1932 | +23.9% |
| 1936 | +29.7% |
| 1940 | +16.2% |
| 1944 | +8.5% |
| 1948 | +11.0% |
| 1952 | −21.8% |
| 1956 | −17.2% |
| 1960 | +1.5% |
| 1964 | +5.4% |
| 1968 | −21.0% |
| 1972 | −25.2% |
| 1976 | −14.8% |
| 1980 | −15.8% |
| 1984 | −28.8% |
| 1988 | −11.0% |
| 1992 | +7.8% |
| 1996 | +10.2% |
| 2000 | +2.8% |
| 2004 | +19.3% |
| 2008 | +33.2% |
| 2012 | +20.1% |
| 2016 | +28.7% |
| 2020 | +36.8% |
| 2024 | +31.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 8,424 | 4,281 | 13,087 | ||
| D | 8,919 | 4,032 | 13,289 | ||
| D | 6,416 | 3,340 | 10,723 | ||
| D | 5,992 | 3,939 | 10,194 | ||
| D | 6,947 | 3,439 | 10,571 | ||
| D | 5,992 | 4,034 | 10,147 | ||
| D | 3,748 | 3,528 | 7,938 | ||
| D | 3,840 | 3,003 | 8,217 | ||
| D | 2,865 | 2,243 | 8,022 | ||
| R | 2,498 | 3,130 | 5,755 | ||
| R | 1,971 | 3,603 | 5,657 | ||
| R | 1,840 | 2,716 | 5,529 | ||
| R | 1,604 | 2,176 | 3,877 | ||
| R | 1,240 | 2,113 | 3,465 | ||
| R | 815 | 1,337 | 2,484 | ||
| D | 1,293 | 1,161 | 2,454 | ||
| D | 1,252 | 1,216 | 2,468 | ||
| R | 978 | 1,384 | 2,362 | ||
| R | 1,033 | 1,609 | 2,642 | ||
| D | 1,182 | 945 | 2,162 | ||
| D | 1,037 | 874 | 1,916 | ||
| D | 1,559 | 1,124 | 2,687 | ||
| D | 1,361 | 735 | 2,107 | ||
| D | 1,133 | 693 | 1,843 | ||
| R | 780 | 849 | 1,634 | ||
| R | 543 | 732 | 1,760 | ||
| R | 561 | 1,169 | 1,730 | ||
| D | 1,830 | 1,231 | 3,250 | ||
| D | 996 | 988 | 2,748 | ||
| D | 1,248 | 1,197 | 2,602 | ||
| R | 775 | 1,225 | 2,173 | ||
| D | 1,345 | 634 | 2,021 | ||
| D | 1,228 | 59 | 1,290 | ||
| O | 0 | 290 | 888 | ||
| — | — | — | — | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
17.5%
English
13.7%
American
10.7%
Irish
8.8%
Italian
4.5%
French
2.2%
Scottish
2.2%
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: 45.6 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
$92,566
Blaine County ranks in the top 10% of US counties.
Blaine County$92,566
Idaho$77,800
United States$80,734
Blaine County ranks in the top 10% 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
6.6%
Child poverty is below the national average.
Children under 1810.9%
Working age (18–64)5.7%
Seniors (65+)5.5%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
76.3%
speak English only
Spanish20.7%
Other Indo-European2.5%
Asian & Pacific Islander0.3%
Other languages0.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 63.8% of residents not counted as adherents by any reporting body.
Blaine County votes Democratic by margins rare in deeply red Idaho, a pattern driven by the affluent, educated transplants and seasonal workers who cluster around the Sun Valley ski resort corridor.
Blaine County has leaned Democratic in recent presidential elections, reaching a Democratic margin of ninety-one points in 1896. Between 2020 and 2024 it moved five points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 78% non-Hispanic-white share, a median household income of $92,566, and a population of 24,951. The county's voting pattern over the last decade is most similar to that of Summit County and Gunnison 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.
Blaine County, Idaho. Akashic. https://akashic.app/county/16013/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Blaine County, Idaho vote in 2024?
In 2024, Blaine County, Idaho voted Democratic by 31.7 points (D+32), carried by the Democratic candidate. Out of 13,087 votes cast, 8,424 went Democratic and 4,281 went Republican.
What is Blaine County, Idaho's political typology?
Akashic places Blaine County, Idaho in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. 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 21 times, Republican 12 times, and other 1 times.
When did Blaine County, Idaho last vote Republican?
The most recent presidential election in which Blaine County, Idaho voted Republican was 1988.
How many people live in Blaine County, Idaho?
Blaine County, Idaho has a population of 24,951 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Blaine County, Idaho?
Median household income in Blaine County, Idaho is $92,566 — above the national median of $80,734. The Idaho state median is $77,800.
What is the political history of Blaine County, Idaho?
Akashic tracks 38 presidential elections in Blaine County, Idaho from 1876 to 2024. Of those, 21 went Democratic and 12 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.