7 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Park City | 1 | 8,563 | 8,412 | -0.28% | 385 | 22 | City |
| Francis | 2 | 2,117 | 1,608 | 3.12% | 549 | 4 | Town |
| Kamas | 3 | 2,096 | 2,105 | 0.48% | 537 | 4 | City |
| Coalville | 4 | 1,543 | 1,489 | 0.92% | 250 | 6 | City |
| Oakley | 5 | 1,532 | 1,600 | -0.39% | 217 | 7 | City |
| Henefer | 6 | 797 | 843 | -0.75% | 323 | 2 | Town |
| Bear River | 7 | 525 | 520 | 0.19% | 254 | 2 | Town |
Park City is the largest city in Summit County, with a population of 8,563.
Bear River is the smallest city in Summit County, with a population of 525.
There are 7 cities in Summit County, Utah.