25 cities
| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Provo | 1 | 115,666 | 115,104 | 0.08% | 2,761 | 42 | City |
| Lehi | 2 | 101,737 | 76,863 | 4.25% | 3,353 | 30 | City |
| Orem | 3 | 95,755 | 98,428 | -0.46% | 5,143 | 19 | City |
| Eagle Mountain | 4 | 68,554 | 44,616 | 6.18% | 1,339 | 51 | City |
| Saratoga Springs | 5 | 66,966 | 38,300 | 7.68% | 2,869 | 23 | City |
| Spanish Fork | 6 | 50,334 | 42,759 | 2.57% | 2,832 | 18 | City |
| American Fork | 7 | 45,167 | 33,560 | 4.48% | 3,979 | 11 | City |
| Pleasant Grove | 8 | 38,325 | 37,731 | 0.26% | 4,171 | 9 | City |
| Springville | 9 | 36,367 | 35,346 | 0.47% | 2,530 | 14 | City |
| Payson | 10 | 26,331 | 21,336 | 3.27% | 2,001 | 13 | City |
| Highland | 11 | 22,030 | 19,378 | 2.05% | 2,537 | 9 | City |
| Santaquin | 12 | 20,642 | 13,897 | 5.76% | 1,957 | 11 | City |
| Bluffdale | 13 | 20,409 | 17,360 | 2.55% | 1,837 | 11 | City |
| Vineyard | 14 | 17,661 | 12,909 | 4.7% | 3,655 | 5 | Town |
| Mapleton | 15 | 16,486 | 11,464 | 5.35% | 1,236 | 13 | City |
| Lindon | 16 | 12,286 | 11,482 | 1.1% | 1,471 | 8 | City |
| Salem | 17 | 12,244 | 9,361 | 4.09% | 1,012 | 12 | City |
| Alpine | 18 | 10,687 | 10,269 | 0.66% | 1,344 | 8 | City |
| Cedar Hills | 19 | 9,872 | 10,004 | -0.22% | 3,621 | 3 | City |
| Elk Ridge | 20 | 5,137 | 4,734 | 1.32% | 1,757 | 3 | City |
| Genola | 21 | 1,703 | 1,552 | 1.49% | 124 | 14 | Town |
| Woodland Hills | 22 | 1,653 | 1,533 | 1.22% | 644 | 3 | City |
| Goshen | 23 | 987 | 977 | 0.2% | 1,195 | 1 | Town |
| Cedar Fort | 24 | 417 | 425 | -0.24% | 20 | 21 | Town |
| Fairfield | 25 | 156 | 162 | -0.64% | 6 | 26 | Town |
Provo is the largest city in Utah County, with a population of 115,666.
Fairfield is the smallest city in Utah County, with a population of 156.
There are 25 cities in Utah County, Utah.