| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Park City | 1 | 8,231 | 8,413 | -0.36% | 370 | 22 | City |
| Kamas | 2 | 2,163 | 2,109 | 0.42% | 554 | 4 | City |
| Francis | 3 | 1,985 | 1,601 | 3.33% | 515 | 4 | Town |
| Coalville | 4 | 1,568 | 1,487 | 0.9% | 254 | 6 | City |
| Oakley | 5 | 1,551 | 1,595 | -0.45% | 219 | 7 | City |
| Henefer | 6 | 805 | 841 | -0.74% | 326 | 2 | Town |
| Bear River | 7 | 521 | 520 | 0% | 252 | 2 | Town |
Park City is the largest city in Summit County, with a population of 8,231.
Bear River is the smallest city in Summit County, with a population of 521.
There are 7 cities in Summit County, Utah.