32 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Redding | 1 | 93,427 | 93,799 | -0.08% | 1,571 | 59 | City |
| Anderson | 2 | 11,132 | 11,325 | -0.35% | 1,583 | 7 | City |
| Shasta Lake | 3 | 10,215 | 10,359 | -0.28% | 937 | 11 | City |
| Happy Valley | 4 | 6,915 | 5,652 | 7.14% | 409 | 17 | CDP |
| Cottonwood | 5 | 6,537 | 5,435 | 3.4% | 494 | 13 | CDP |
| Bella Vista | 6 | 4,248 | 3,320 | 2.34% | 161 | 26 | CDP |
| Palo Cedro | 7 | 3,928 | 2,893 | 4.75% | 480 | 8 | CDP |
| Lake California | 8 | 3,785 | 3,276 | 1.31% | 600 | 6 | CDP |
| Cottonwood | 9 | 3,502 | 3,121 | 7.13% | 8,911 | 0 | CDP |
| Burney | 10 | 3,194 | 3,763 | 0.09% | 594 | 5 | CDP |
| Centerville | 11 | 2,755 | 2,170 | 7.16% | 342 | 8 | CDP |
| Shingletown | 12 | 2,239 | 2,291 | -0.13% | 91 | 25 | CDP |
| Shasta | 13 | 1,277 | 1,639 | -2.52% | 117 | 11 | CDP |
| Jones Valley | 14 | 1,211 | 1,269 | 7.17% | 188 | 6 | CDP |
| Johnson Park | 15 | 951 | 815 | 7.09% | 1,053 | 1 | CDP |
| Millville | 16 | 811 | 879 | 0.75% | 101 | 8 | CDP |
| Mountain Gate | 17 | 788 | 703 | -1.25% | 399 | 2 | CDP |
| Fall River Mills | 18 | 704 | 387 | 1.15% | 266 | 3 | CDP |
| Oak Run | 19 | 701 | 379 | 7.19% | 233 | 3 | CDP |
| Lakehead | 20 | 596 | 615 | 1.53% | 127 | 5 | CDP |
| Whitmore | 21 | 340 | 416 | 7.26% | 52 | 7 | CDP |
| Castella | 22 | 319 | 230 | 7.05% | 285 | 1 | CDP |
| French Gulch | 23 | 267 | 441 | -1.84% | 22 | 12 | CDP |
| Cassel | 24 | 233 | 266 | 0.43% | 115 | 2 | CDP |
| Montgomery Creek | 25 | 227 | 118 | 2.25% | 69 | 3 | CDP |
| Big Bend | 26 | 194 | 195 | 3.19% | 34 | 6 | CDP |
| Igo | 27 | 119 | 148 | 7.21% | 117 | 1 | CDP |
| Round Mountain | 28 | 86 | 100 | -5.49% | 51 | 2 | CDP |
| Keswick | 29 | 60 | 192 | -30.23% | 18 | 3 | CDP |
| Ono | 30 | 34 | 57 | 6.25% | 18 | 2 | CDP |
| Platina | 31 | 31 | 23 | 6.9% | 15 | 2 | CDP |
| Hat Creek | 32 | 12 | 91 | -61.29% | 0.00 | 50 | CDP |
Redding is the largest city in Shasta County, with a population of 93,427.
Hat Creek is the smallest city in Shasta County, with a population of 12.
There are 32 cities in Shasta County, California.