| City | Rank | 2026 Pop. ↓ | 2020 Pop. | Annual Change | Density (/mi²) | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Provo | 1 | 114,523 | 115,144 | 0% | 2,734 | 42 | City |
| Lehi | 2 | 99,366 | 76,867 | 4.25% | 3,275 | 30 | City |
| Orem | 3 | 94,699 | 98,400 | -0.54% | 5,087 | 19 | City |
| Eagle Mountain | 4 | 70,772 | 44,502 | 6.33% | 1,382 | 51 | City |
| Saratoga Springs | 5 | 66,106 | 38,318 | 7.67% | 2,832 | 23 | City |
| Spanish Fork | 6 | 50,052 | 42,762 | 2.49% | 2,816 | 18 | City |
| American Fork | 7 | 42,907 | 33,571 | 4.6% | 3,780 | 11 | City |
| Pleasant Grove | 8 | 37,842 | 37,742 | 0.18% | 4,118 | 9 | City |
| Springville | 9 | 35,806 | 35,349 | 0.38% | 2,491 | 14 | City |
| Payson | 10 | 25,437 | 21,345 | 3.28% | 1,933 | 13 | City |
| Highland | 11 | 21,994 | 19,405 | 1.96% | 2,533 | 9 | City |
| Santaquin | 12 | 20,091 | 13,890 | 5.8% | 1,905 | 11 | City |
| Bluffdale | 13 | 20,015 | 17,364 | 2.61% | 1,801 | 11 | City |
| Mapleton | 14 | 17,095 | 11,466 | 5.04% | 1,281 | 13 | City |
| Vineyard | 15 | 16,871 | 12,931 | 4.84% | 3,492 | 5 | Town |
| Salem | 16 | 12,704 | 9,362 | 3.84% | 1,050 | 12 | City |
| Lindon | 17 | 12,140 | 11,481 | 1.04% | 1,454 | 8 | City |
| Alpine | 18 | 10,505 | 10,263 | 0.58% | 1,322 | 8 | City |
| Cedar Hills | 19 | 9,725 | 10,002 | -0.31% | 3,567 | 3 | City |
| Elk Ridge | 20 | 5,032 | 4,738 | 1.27% | 1,721 | 3 | City |
| Woodland Hills | 21 | 1,747 | 1,528 | 2.34% | 680 | 3 | City |
| Genola | 22 | 1,683 | 1,553 | 1.39% | 122 | 14 | Town |
| Goshen | 23 | 977 | 976 | 0% | 1,183 | 1 | Town |
| Cedar Fort | 24 | 414 | 424 | -0.48% | 20 | 21 | Town |
| Fairfield | 25 | 154 | 163 | -1.28% | 6.0 | 26 | Town |
Provo is the largest city in Utah County, with a population of 114,523.
Fairfield is the smallest city in Utah County, with a population of 154.
There are 25 cities in Utah County, Utah.