Ranking of Utah Counties By Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 3, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the population of Utah (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 435,611. Among all Utah counties, Salt Lake County had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (166,397), followed by Utah County (54,886), and Weber County (47,226).

The chart below shows the top 10 Utah counties, and the table below shows the ranking of all Utah counties.

You can see similar information for other educational attainments.

You can also see similar information for other states and for the United States.

Ranking of Utah Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Salt Lake County
Utah County
Weber County
Davis County
Washington County
Cache County
Tooele County
Box Elder County
Iron County
Uintah County
Ranking of Utah Counties By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Number of People
1 Salt Lake County 166397
2 Utah County 54886
3 Weber County 47226
4 Davis County 44724
5 Washington County 25231
6 Cache County 13757
7 Tooele County 13159
8 Box Elder County 10863
9 Iron County 7539
10 Uintah County 7385
11 Sanpete County 5206
12 Duchesne County 4669
13 Summit County 4571
14 Sevier County 4366
15 Wasatch County 4128
16 Carbon County 3827
17 Millard County 2582
18 San Juan County 2496
19 Juab County 2241
20 Grand County 2040
21 Emery County 1947
22 Kane County 1421
23 Morgan County 1298
24 Garfield County 1154
25 Beaver County 1120
26 Wayne County 440
27 Piute County 426
28 Rich County 383
29 Daggett County 129