# Counties in Utah by population density, 2025

All 29 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_density`
- Unit: inhabitants per km²
- Definition: Resident population divided by land area in km². World Bank figures use mid-year population and land area excluding inland water.
- Source: U.S. Census Bureau, Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km² (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-09
- Citation: U.S. Census Bureau. Population Estimates Program resident population on 1 July divided by land area from the latest Census Gazetteer files, persons per km². https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-09.
- Web page: https://invokely.ai/rankings/population-density/utah-counties
- CSV: https://invokely.ai/download/rankings/population-density/utah-counties.csv

| Rank | Place | inhabitants per km² |
|---:|---|---:|
| 1 | Salt Lake County | 626.3 |
| 2 | Davis County | 453 |
| 3 | Weber County | 175.8 |
| 4 | Utah County | 146.4 |
| 5 | Cache County | 48.1 |
| 6 | Washington County | 34 |
| 7 | Wasatch County | 12.6 |
| 8 | Summit County | 8.9 |
| 9 | Morgan County | 8.5 |
| 10 | Iron County | 7.9 |
| 11 | Sanpete County | 7.6 |
| 12 | Carbon County | 5.4 |
| 13 | Tooele County | 4.8 |
| 14 | Sevier County | 4.6 |
| 15 | Box Elder County | 4.4 |
| 16 | Uintah County | 3.3 |
| 17 | Duchesne County | 2.5 |
| 18 | Juab County | 1.5 |
| 19 | Beaver County | 1.1 |
| 20 | Grand County | 1 |
| 21 | Rich County | 1 |
| 22 | Emery County | 0.9 |
| 23 | Kane County | 0.8 |
| 24 | Millard County | 0.8 |
| 25 | Piute County | 0.8 |
| 26 | San Juan County | 0.7 |
| 27 | Daggett County | 0.5 |
| 28 | Wayne County | 0.4 |
| 29 | Garfield County | 0.4 |