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Population Review

Census ACS 2023 · 29 counties

Largest Counties in Utah

Utah has 29 counties with Census data available. The largest is Salt Lake County with a population of 1,184,689. County-level data is important because counties are the primary unit of local government in most states, responsible for courts, elections, public health, and infrastructure. Population distribution across counties reveals where growth is concentrated and where rural decline may be occurring.

Source: Census ACS 2023 5-Year Estimates

#CountyPopulationMedian Income
1Weber County266,183$87,083
2Wayne County2,557$70,074
3Washington County189,827$76,411
4Wasatch County35,808$115,146
5Utah County683,622$96,877
6Uintah County36,458$69,861
7Tooele County76,648$101,846
8Summit County42,709$137,058
9Sevier County21,854$73,765
10Sanpete County29,209$67,459
11San Juan County14,466$54,890
12Salt Lake County1,184,689$94,658
13Rich County2,588$76,875
14Piute County1,705$44,650
15Morgan County12,585$126,092
16Millard County13,179$70,877
17Kane County7,996$75,000
18Juab County12,273$89,803
19Iron County60,201$65,527
20Grand County9,697$62,521
21Garfield County5,170$61,688
22Emery County9,968$69,956
23Duchesne County19,932$74,738
24Davis County366,742$108,058
25Daggett County747$58,750
26Carbon County20,446$53,673
27Cache County137,031$78,292
28Box Elder County59,725$77,865
29Beaver County7,172$85,603

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Frequently Asked Questions

Salt Lake County is the #1 ranked county in Utah by population, with a value of 1,184,689 according to Census ACS 2023 data.

Utah has 29 counties tracked in Census ACS 2023 data.

All data comes from the American Community Survey (ACS) 2023 5-Year estimates by the US Census Bureau.

Sources: US Census Bureau ACS 2023 5-Year Estimates

Data from the American Community Survey 2023 5-Year estimates. Covers all counties in Utah.