The most Latter-day Saints places in America

Counties and cities ranked by Latter-day Saints adherence (2020 U.S. Religion Census) — beside each place's 2024 vote and its shift since 2020. Of the top 100 counties by latter-day saints, 93 voted Republican and 7 Democratic in 2024 (median R+49.1); as a group they shifted −1.8 points toward Republicans from 2020 to 2024.

Top 100 counties

Counties ≥ 5,000 population, ranked by Latter-day Saints. “2024” is the two-party presidential margin; “Since ’20” is the 2020→2024 shift in points (positive = toward Democrats). Sources: U.S. Census ACS 2024 5-year · 2020 U.S. Religion Census (ASARB) · MIT Election Lab.
#	Place	Latter-day Saints	2024	Since ’20
1	Franklin County, ID	95.5%	R R+77.6	+0.2
2	Garfield County, UT	90.6%	R R+59.4	+0.8
3	Bear Lake County, ID	87.0%	R R+77.1	+0.3
4	Morgan County, UT	86.5%	R R+59.9	+2.1
5	Box Elder County, UT	83.7%	R R+60.8	+1.7
6	Utah County, UT	82.9%	R R+39.8	+0.6
7	Jefferson County, ID	81.7%	R R+73.3	+0.4
8	Cache County, UT	73.4%	R R+34.4	+2.2
9	Millard County, UT	73.3%	R R+75.9	+1.4
10	Davis County, UT	70.5%	R R+24.9	+2.1
11	Caribou County, ID	69.6%	R R+71.2	+1.2
12	Juab County, UT	69.4%	R R+75.7	−0.5
13	Washington County, UT	64.4%	R R+52.3	−1.0
14	Sanpete County, UT	63.7%	R R+67.6	+0.5
15	Tooele County, UT	61.5%	R R+40.9	−2.6
16	Fremont County, ID	59.5%	R R+69.0	−1.2
17	Sevier County, UT	57.1%	R R+75.9	+1.0
18	Beaver County, UT	56.4%	R R+74.3	+1.1
19	Emery County, UT	56.2%	R R+74.6	−0.4
20	Bonneville County, ID	53.0%	R R+45.4	−1.8
21	Kane County, UT	52.1%	R R+47.7	−2.1
22	Lincoln County, WY	51.7%	R R+67.7	+0.5
23	Salt Lake County, UT	51.4%	D D+10.2	−0.7
24	Madison County, ID	51.3%	R R+64.3	−0.6
25	Wasatch County, UT	51.0%	R R+27.4	−1.5
26	Duchesne County, UT	50.1%	R R+75.9	+2.0
27	Buena Vista city, VA	50.0%	R R+44.2	−6.8
28	Uinta County, WY	49.5%	R R+62.9	−0.1
29	Weber County, UT	49.0%	R R+23.5	−1.1
30	Bingham County, ID	47.5%	R R+59.6	−3.7
31	Big Horn County, WY	47.3%	R R+71.9	−2.1
32	Cassia County, ID	45.0%	R R+69.1	−2.1
33	Iron County, UT	44.6%	R R+57.0	−0.8
34	Conejos County, CO	44.5%	R R+17.8	−10.3
35	Uintah County, UT	43.1%	R R+73.6	+1.9
36	San Juan County, UT	42.3%	R R+16.3	−10.2
37	Carbon County, UT	37.6%	R R+44.4	+1.3
38	Bannock County, ID	35.8%	R R+25.1	−3.3
39	Power County, ID	33.1%	R R+45.1	−4.4
40	Graham County, AZ	30.7%	R R+48.1	−3.5
41	White Pine County, NV	29.8%	R R+57.0	+1.2
42	Navajo County, AZ	27.5%	R R+17.2	−9.0
43	Summit County, UT	27.4%	D D+14.8	−4.2
44	Minidoka County, ID	27.2%	R R+63.3	−4.3
45	Grand County, UT	25.4%	D D+9.5	−1.3
46	Washakie County, WY	25.3%	R R+63.7	+1.0
47	Twin Falls County, ID	24.6%	R R+48.8	−3.6
48	Teton County, ID	22.4%	D D+6.8	−0.4
49	Gem County, ID	20.5%	R R+66.0	−4.2
50	Lemhi County, ID	20.4%	R R+54.9	−0.9
51	Beaverhead County, MT	20.2%	R R+43.4	−2.5
52	Jerome County, ID	19.7%	R R+53.7	−4.6
53	Carbon County, WY	18.7%	R R+57.6	−3.8
54	Payette County, ID	18.5%	R R+62.9	−3.5
55	Lander County, NV	18.0%	R R+62.3	−0.8
56	Lincoln County, ID	17.0%	R R+56.0	−1.7
57	Malheur County, OR	16.2%	R R+44.1	−2.4
58	Canyon County, ID	16.0%	R R+46.6	−6.9
59	Alamosa County, CO	15.8%	R R+10.8	−10.1
60	Boise County, ID	15.7%	R R+54.2	−6.9
61	Elko County, NV	15.2%	R R+56.6	−1.2
62	Rio Blanco County, CO	15.0%	R R+63.7	+4.1
63	Sweetwater County, WY	14.7%	R R+52.8	−2.1
64	Ada County, ID	14.4%	R R+10.3	−6.4
65	Apache County, AZ	13.8%	D D+19.0	−14.6
66	Owyhee County, ID	13.4%	R R+67.6	−4.2
67	Caldwell County, MO	13.3%	R R+61.3	−1.1
68	Crook County, WY	13.2%	R R+77.4	+2.1
69	Park County, WY	13.1%	R R+58.7	−2.4
70	Gooding County, ID	12.5%	R R+60.4	−4.2
71	Sublette County, WY	11.9%	R R+60.6	+1.2
72	Washington County, ID	11.0%	R R+61.5	−3.9
73	Churchill County, NV	10.6%	R R+50.2	−1.2
74	San Juan County, NM	10.6%	R R+31.7	−3.5
75	Benton County, WA	10.4%	R R+21.7	−0.7
76	Prince of Wales-Hyder Census Area, AK	10.3%	R R+3.4	−10.4
77	Union County, OR	10.3%	R R+40.0	+0.4
78	Franklin County, WA	10.3%	R R+22.6	−8.1
79	Elmore County, ID	10.2%	R R+48.5	−3.0
80	Humboldt County, NV	10.0%	R R+55.2	−1.3
81	Fremont County, WY	9.9%	R R+36.9	−1.1
82	Grant County, WA	9.7%	R R+37.3	−2.9
83	Adams County, WA	9.5%	R R+43.1	−7.4
84	Teton County, MT	9.4%	R R+45.0	−1.5
85	Coconino County, AZ	9.3%	D D+19.9	−4.1
86	Roosevelt County, MT	9.3%	R R+9.6	−7.4
87	Southeast Fairbanks Census Area, AK	8.7%	R R+49.3	+4.2
88	Cochise County, AZ	8.6%	R R+23.1	−3.7
89	Gila County, AZ	8.5%	R R+37.6	−3.6
90	Powell County, MT	8.5%	R R+53.5	−3.1
91	Chugach Census Area, AK	8.4%	R R+25.6	−8.3
92	Pinal County, AZ	8.2%	R R+22.1	−4.8
93	Baker County, OR	8.2%	R R+48.7	+1.7
94	Blaine County, ID	8.1%	D D+31.7	−5.1
95	Harney County, OR	8.0%	R R+59.0	−1.4
96	Stevens County, WA	7.9%	R R+43.9	−1.8
97	Modoc County, CA	7.8%	R R+46.7	−1.9
98	Torrance County, NM	7.8%	R R+38.1	−4.8
99	Morrow County, OR	7.7%	R R+48.0	−4.7
100	Jefferson County, MT	7.6%	R R+36.5	−3.2

Top 50 cities

Incorporated places ≥ 5,000 population. City presidential results are precinct-derived for 2008–2024, so the “Since ’20” shift uses the same modern series.
#	Place	Latter-day Saints	2024	Since ’20
1	Preston, ID	95.5%	R R+75.1	−2.8
2	Brigham, UT	83.7%	R R+42.9	+5.8
3	Perry, UT	83.7%	R R+57.9	+6.3
4	Tremonton, UT	83.7%	R R+63.8	+5.2
5	Alpine, UT	82.9%	R R+51.3	+1.8
6	American Fork, UT	82.9%	R R+35.7	+4.5
7	Cedar Hills, UT	82.9%	R R+46.2	+4.6
8	Eagle Mountain, UT	82.9%	R R+47.7	+2.1
9	Highland, UT	82.9%	R R+51.4	+2.4
10	Lehi, UT	82.9%	R R+38.2	+2.0
11	Lindon, UT	82.9%	R R+49.1	+3.3
12	Mapleton, UT	82.9%	R R+55.0	+3.1
13	Orem, UT	82.9%	R R+28.0	+2.9
14	Payson, UT	82.9%	R R+52.1	+5.4
15	Pleasant Grove, UT	82.9%	R R+39.9	+4.7
16	Provo, UT	82.9%	R R+18.7	−0.1
17	Salem, UT	82.9%	R R+59.8	+3.4
18	Santaquin, UT	82.9%	R R+65.7	+2.7
19	Saratoga Springs, UT	82.9%	R R+41.5	+3.8
20	Spanish Fork, UT	82.9%	R R+49.0	+2.2
21	Springville, UT	82.9%	R R+33.7	+2.8
22	Vineyard, UT	82.9%	R R+37.0	−6.2
23	Rigby, ID	81.7%	R R+67.4	−2.4
24	Hyde Park, UT	73.4%	R R+37.3	+6.7
25	Hyrum, UT	73.4%	R R+50.3	+5.2
26	Logan, UT	73.4%	R R+6.5	+2.5
27	Nibley, UT	73.4%	R R+47.8	+3.1
28	North Logan, UT	73.4%	R R+26.4	+3.5
29	Providence, UT	73.4%	R R+36.0	+6.2
30	Smithfield, UT	73.4%	R R+45.2	+6.3
31	Bountiful, UT	70.5%	R R+11.9	+4.0
32	Centerville, UT	70.5%	R R+19.6	+6.4
33	Clearfield, UT	70.5%	R R+17.4	+0.9
34	Clinton, UT	70.5%	R R+33.5	−0.6
35	Farmington, UT	70.5%	R R+22.6	+5.2
36	Fruit Heights, UT	70.5%	R R+35.6	+1.6
37	Kaysville, UT	70.5%	R R+34.4	+4.6
38	Layton, UT	70.5%	R R+24.8	+2.3
39	North Salt Lake, UT	70.5%	R R+1.1	+2.5
40	South Weber, UT	70.5%	R R+40.1	+3.6
41	Sunset, UT	70.5%	R R+16.9	−0.1
42	Syracuse, UT	70.5%	R R+38.6	+4.6
43	West Bountiful, UT	70.5%	R R+31.3	+1.6
44	West Point, UT	70.5%	R R+44.3	+4.8
45	Woods Cross, UT	70.5%	R R+13.5	+1.4
46	Nephi, UT	69.4%	R R+75.4	+1.2
47	Hurricane, UT	64.4%	R R+59.3	−1.3
48	Ivins, UT	64.4%	R R+28.9	+0.6
49	St. George, UT	64.4%	R R+49.4	−0.2
50	Santa Clara, UT	64.4%	R R+56.0	+2.5

Rankings suppress places below 5,000 population, where small-sample ACS shares get noisy. Demographic shares are American Community Survey 5-year estimates (ancestry table B04006, language C16001) and the 2020 U.S. Religion Census; every figure traces to a named federal or academic source. The vote columns are presidential — a place can be demographically homogeneous and politically split, which is exactly what these tables are built to show.