Ranking of Utah Counties By Population with Unclassified Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 661.52K people in Utah with Unclassified ancestry. Among all Utah counties, Salt Lake County had the highest population with Unclassified ancestry (216.99K), followed by Utah County (128.17K), and Davis County (80.05K).

The chart and table below shows the top 10 counties with high number of people with Unclassified ancestry.

You can see similar information for other states and for other ancestry groups in Utah.

Data Source: US Census Bureau.
Ranking of Utah Counties By Population with Unclassified Ancestry in 2021
Salt Lake County
Utah County
Davis County
Weber County
Washington County
Cache County
Tooele County
Box Elder County
Summit County
Uintah County
Ranking of Utah Counties By Population with Unclassified Ancestry in 2021
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Rank County Population
1 Salt Lake County 216992
2 Utah County 128170
3 Davis County 80047
4 Weber County 67675
5 Washington County 27762
6 Cache County 26107
7 Tooele County 19659
8 Box Elder County 14186
9 Summit County 11640
10 Uintah County 10275
11 Iron County 9675
12 Wasatch County 8515
13 Sanpete County 6607
14 Sevier County 6071
15 Duchesne County 5605
16 Carbon County 4532
17 Morgan County 3675
18 Juab County 3005
19 Millard County 2621
20 Emery County 1785
21 Grand County 1406
22 Kane County 1390
23 San Juan County 1272
24 Beaver County 1025
25 Garfield County 764
26 Rich County 367
27 Piute County 294
28 Wayne County 233
29 Daggett County 161