Utah Population By County in 2015
Updated on January 27, 2024.
Based on the US Census Vintage data estimates, in 2015, the population of Utah was 2,983,626. Among all Utah counties, Salt Lake had the highest population (1,102,690), followed by Utah (573,289), and Davis (334,814). Daggett was the least populated county (1,107).
Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.
You can see similar information for other states and by state for the United States.
Related Topics: Utah Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Utah Population By County in 2015
Utah Population By County in 2015
County | Population | % of State Population |
|---|---|---|
| Salt Lake | 1,102,690 | 36.96 |
| Utah | 573,289 | 19.22 |
| Davis | 334,814 | 11.22 |
| Weber | 242,916 | 8.14 |
| Washington | 154,839 | 5.19 |
| Cache | 119,777 | 4.01 |
| Tooele | 62,676 | 2.10 |
| Box Elder | 51,839 | 1.74 |
| Iron | 48,166 | 1.61 |
| Summit | 39,675 | 1.33 |
| Uintah | 37,815 | 1.27 |
| Wasatch | 29,131 | 0.98 |
| Sanpete | 28,663 | 0.96 |
| Sevier | 20,872 | 0.70 |
| Duchesne | 20,743 | 0.70 |
| Carbon | 20,400 | 0.68 |
| San Juan | 15,254 | 0.51 |
| Millard | 12,621 | 0.42 |
| Morgan | 11,048 | 0.37 |
| Juab | 10,560 | 0.35 |
| Emery | 10,360 | 0.35 |
| Grand | 9,530 | 0.32 |
| Kane | 7,045 | 0.24 |
| Beaver | 6,351 | 0.21 |
| Garfield | 4,966 | 0.17 |
| Utah | 2,983,626 | 100 |
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