akashic
1876–2024
Cassia County, Idaho
Cassia County·Idaho

Cassia County has voted Republican for as long as anyone can remember.

One of Idaho's most lopsided presidential counties in 2024

18762024·38 elections
Cassia County, Idaho · Ken Lund · Wikimedia Commons
Latest
R+69
in 2024
Archetype
Republican loyalist
since the recent cycles
Population
25,483
2024 ACS
Most similar
Moore County
TX · similarity 1.00
24 precincts · 9,557 votes cast
Trump · R+69
Margin
Turnout
Harris +50
Trump +50
Real precinct boundaries. Hover for vote totals.
YearWonMarginDemocraticRepublicanTotal
2024R
−69.1%
1,3597,9599,557
2020R
−66.9%
1,4647,9079,629
2016R
−60.1%
1,0365,9498,178
2012R
−72.1%
1,0987,1548,396
2008R
−63.5%
1,3326,3097,842
2004R
−69.2%
1,1536,5627,821
2000R
−67.3%
1,0875,9837,279
1996R
−41.9%
1,5964,6637,326
1992R
−35.4%
1,3514,0527,622
1988R
−48.2%
1,8335,3457,288
1984R
−72.0%
1,0366,5037,597
1980R
−62.3%
1,3696,5118,259
1976R
−39.1%
1,8814,5756,892
1972R
−56.7%
1,0804,5766,162
1968R
−43.5%
1,3504,1876,525
1964R
−21.2%
2,6084,0096,617
1960R
−27.5%
2,4454,2976,742
1956R
−37.6%
1,7893,9445,733
1952R
−45.5%
1,6764,4816,159
1948R
−5.3%
2,1782,4244,671
1944R
−4.9%
2,3252,5634,896
1940D
+3.2%
2,9302,7485,689
1936D
+30.7%
3,1001,6294,797
1932D
+12.1%
2,5982,0324,673
1928R
−41.0%
9942,3883,402
1924R
−38.2%
5382,0313,905
1920R
−39.1%
1,1782,6903,868
1916D
+9.5%
1,6291,3203,255
1912R
−19.4%
8461,4593,161
1908R
−25.1%
6001,0491,786
1904R
−49.8%
3461,1051,524
1900R
−3.8%
6246741,312
1896D
+63.3%
579129711
1892R
−39.2%
0121309
1888
No data
1884
No data
1880
No data
1876
No data
Demographics
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
American
100.0%
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. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
Language at home
Population aged 5 and older
0.0%
speak English only
Source · ACS 5-year estimates, 2024.
Religious adherents
Adherents per capita by tradition
Other Christian
46.6%
Catholic & Orthodox
6.2%
Baptist
2.2%
Pentecostal & Holiness
1.4%
Methodist
0.8%
Mainline Protestant
0.6%
Source · 2020 US Religion Census. Remaining 42.2% of residents not counted as adherents by any reporting body.

Cassia County, anchored by Burley in the Snake River Plain, returned an R+68.9 margin in 2024 — among the widest in a state already dominated by one-party presidential outcomes.

The Republican margin in Cassia County reached its widest at seventy-two points in 2012. The margin in 2024 was sixty-nine points, in line with the county's deep historical pattern.

Cassia County's loyalty is rooted in its place. Median household income of $70,830, a 69% non-Hispanic-white share, and a population of 25,483 together describe a community whose political habits are deeply settled. The county's voting pattern over the last decade is most similar to that of Moore County and Fremont County.